| 单词 | compound leaf |
| 例句 | Each frond might stretch to two feet, with 30 or so opposing, compound leaves. These larger-than-life sculptures elevate the timeless fern, with obsessive botanical accuracy 2020-06-01T04:00:00Z The dominant stage of the lifecycle of a fern is the sporophyte, which consists of large compound leaves called fronds. Fundamentals of Biology 2015-01-01T00:00:00Z In compound leaves, the lamina is separated into leaflets. Biology for AP Courses 2022-06-09T00:00:00Z This one features incredible texture with its compound leaves in the form of double whorls on the end of wiry, purple stems. It’s true — tropical-looking Scheffleras can survive outside in Seattle winters 2016-08-18T04:00:00Z “As a result, the body absorbs little or no calories and 90 percent of the chemical compound leaves the body through human waste and enters sewage systems.” Sugar vs. Artificial Sweeteners 2014-01-16T15:00:00Z Herbs or shrubs, with alternate mostly compound leaves. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z A large genus of American, mostly tropical, climbing shrubs, having compound leaves and showy somewhat tubular flowers. Webster's Unabridged Dictionary (2nd 100 Pages) 2012-03-24T02:00:19.387Z In a compound leaf, the leaf blade is completely divided, forming leaflets, as in the locust tree. Biology for AP Courses 2022-06-09T00:00:00Z Half across the meadow I now observed that he held a leaf in his outstretched hand, and now I clearly noted that it was a compound leaf, and in another second I knew it all. Eye Spy Afield with Nature Among Flowers and Animate Things 2012-02-24T03:00:23.760Z Panax, pa-naks′, n. a genus of shrubs with radiately or pinnately compound leaves and small flowers in compound umbels, the ginseng. Chambers's Twentieth Century Dictionary (part 3 of 4: N-R) 2012-01-30T03:00:13.887Z Large-flowered trees or often climbing shrubs, with usually opposite simple or compound leaves. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z The plant is an annual herb with flexuose branches, and alternately arranged pinnately compound leaves, with small, oval, serrated leaflets and small eared stipules. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3 "Gordon, Lord George" to "Grasses" 2011-11-13T03:00:13.177Z How does a compound leaf give a selective advantage to avoid herbivory? Biology for AP Courses 2022-06-09T00:00:00Z All but one, the yellow-wood, have compound leaves, of many leaflets, often fernlike in their delicacy of structure, and intricacy of pattern. Trees Worth Knowing 2011-10-13T02:00:48.357Z The compound leaves are 6 to 18 inches long, composed of 9 to 27 leaflets with sharply notched margins. Forest Trees of Illinois How to Know Them 2011-10-08T02:00:23.997Z Seeds crestless.—Branched and leafy-stemmed annuals, with finely dissected compound leaves, and small flowers in dense racemes or spikes. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z The mother butterflies deposit the eggs singly on leaves or stems, generally on the small leaflets of the compound leaf. Butterflies Worth Knowing 2011-08-10T02:00:15.887Z It is more efficient for large herbivores to eat the small leaflets of compound leaves. Biology for AP Courses 2022-06-09T00:00:00Z Summer clothes these twigs with a light airy covering of compound leaves, of seven to eleven broadly oval leaflets, on a stalk less than a foot in length. Trees Worth Knowing 2011-10-13T02:00:48.357Z The compound leaves are 15 to 30 inches long, each with 11 to 17 sharp-pointed, oblong, finely toothed leaflets 2 to 3 inches long. Forest Trees of Illinois How to Know Them 2011-10-08T02:00:23.997Z Seeds bony, with a straight embryo in scanty albumen.—Shrubs with opposite pinnately compound leaves, both stipulate and stipellate. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z Leaflet—a single member of the compound leaf borne by all rose plants. Making a Rose Garden 2011-07-29T02:00:21.533Z The plant’s compound leaves appear in the form of three heart-shaped, pointy leaflets, which like those of raspberries, are characteristically green on top, but white underneath with saw-toothed edges. | Sweet Wineberry 2011-07-23T13:00:55Z Still fewer of the trees with compound leaves show this arrangement. Trees Worth Knowing 2011-10-13T02:00:48.357Z The doubly compound leaves are often more than 3 feet long. Forest Trees of Illinois How to Know Them 2011-10-08T02:00:23.997Z Seeds smooth, flattened, and packed horizontally in 2 rows.—Perennials, with ample 2–3-ternately compound leaves, the ovate leaflets sharply cleft and toothed, and a short and thick terminal raceme of white flowers. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z The sharply incised compound leaves grow up to 5 feet in width. Giant Hogweed: Beware the Painful 'Plant from Hell' 2011-07-13T20:02:31Z Leaves, and the leaflets of compound leaves, change this position at nightfall, or when the light is withdrawn; they then take what is called their sleeping posture, resuming the diurnal position when daylight returns. The Elements of Botany For Beginners and For Schools Mahonia nepalensis Nepaul Yellow The stateliest of the Ash Barberries, forming a specimen 6 feet high, and regularly furnished with long compound leaves. Trees and Shrubs for English Gardens Herbs, with alternate compound leaves, 4 petals, and 6 or more stamens, which are about equal in length; fruit a 1-celled pod. The Plants of Michigan Simple Keys for the Identification of the Native Seed Plants of the State Radicle superior.—Herbs, or rarely shrubs, with compound leaves, and solitary or cymose flowers; their parts rarely in fours. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z One of the most conspicuous among the symbols intended to represent the Trinity, to be seen in Christian churches, is the compound leaf of the trefoil. Bible Myths and their Parallels in other Religions Being a Comparison of the Old and New Testament Myths and Miracles with those of the Heathen Nations of Antiquity Considering also their Origin and Meaning But when the pieces have no stalklets, and are not jointed with the main leaf-stalk, it may be considered either as a divided simple leaf, or a compound leaf, according to the circumstances. The Elements of Botany For Beginners and For Schools The separate blades of a compound leaf are called leaflets. Trees of the Northern United States Their Study, Description and Determination Shrubs or low trees, with compound leaves frequently dotted with translucent glands; flowers small, greenish-white, with 3-5 sepals, petals, and stamens. 1a. The Plants of Michigan Simple Keys for the Identification of the Native Seed Plants of the State Seed suspended.—Perennials, with alternate 2–3-ternately compound leaves, the divisions and the leaflets stalked; petioles dilated at base. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z I have seen a leaflet low down in the compound leaf of Vicia sativa converted into a tendril, and a tendril possesses many peculiar properties, such as spontaneous movement and irritability. The Variation of Animals and Plants Under Domestication, Volume II (of 2) Leaflet, one of the divisions or blades of a compound leaf, 57. The Elements of Botany For Beginners and For Schools Shrub with compound leaves of three leaflets, greenish-white flowers in terminal cymes, and 2-seeded fruit with a broad-winged margin, somewhat like the Elm, only larger. Trees of the Northern United States Their Study, Description and Determination Trees, with pinnately compound leaves and small greenish-yellow flowers in large panicles in early summer, ripening into winged fruits. The Plants of Michigan Simple Keys for the Identification of the Native Seed Plants of the State Seeds transversely winged.—Woody climbers, with chiefly compound leaves, terminating in a tendril. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z Then with a rush come the luxuriant and tropical compound leaves, soon attaining their full dignity, and adding to it also a smooth polish on the upper surface. Getting Acquainted with the Trees Segments, or Divisions, the separate pieces or blades of a compound leaf are called Leaflets. The Elements of Botany For Beginners and For Schools New growth of the year green, and resembling a once-pinnate compound leaf and usually dropping off in the autumn like one. Trees of the Northern United States Their Study, Description and Determination Shrubs or small trees, with milky or resinous juice, alternate compound leaves sometimes poisonous to the touch, and small clustered greenish or yellowish flowers. 1a. The Plants of Michigan Simple Keys for the Identification of the Native Seed Plants of the State Seeds transversely winged.—Woody, with compound leaves, climbing by aerial rootlets. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z The plants are trees bearing strong spines, with alternate, compound leaves each with three leaflets and panicles of sweet-scented white flowers. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 "Baconthorpe" to "Bankruptcy" Either sort of compound leaf may have any number of leaflets; yet palmate leaves cannot well have a great many, since they are all crowded together on the end of the main leaf-stalk. The Elements of Botany For Beginners and For Schools Deciduous trees or sometimes shrubs, with opposite, palmately compound leaves with serrated, straight-veined leaflets. Trees of the Northern United States Their Study, Description and Determination Trees or shrubs, with opposite, lobed or compound leaves and inconspicuous flowers; sepals about 5; petals the same number, or none; stamens 4-12; ovary 2-lobed, ripening into a pair of winged fruits. 1a. The Plants of Michigan Simple Keys for the Identification of the Native Seed Plants of the State Pistils 1–4; the slender style arising from near the base; achenes included in the tube of the persistent calyx.—Low herbs, with palmately lobed or compound leaves, and small corymbed greenish flowers. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z The stem continues to lengthen, and soon another compound leaf appears. The Renewal of Life; How and When to Tell the Story to the Young Look at the leaflets on the compound leaf, and if there are over seven, they are hybrids, and if they are extra vigorous growing, they are hybrids, because they occasionally pollenize. Northern Nut Growers Association Report of the Proceedings at the 41st Annual Meeting Pleasant Valley, New York, August 28, 29 and 30, 1950 RH�S. Low trees or shrubs with acrid, often poisonous, usually milky juice, and dotless, alternate, usually pinnately compound leaves. Trees of the Northern United States Their Study, Description and Determination Shrubs, climbing by tendrils or hold-fast roots, with palmately lobed or palmately compound leaves and small greenish flowers in panicles or flattened clusters; petals and sepals each 4 or 5; fruit a berry. 1a. The Plants of Michigan Simple Keys for the Identification of the Native Seed Plants of the State Low and glabrous, mostly cespitose perennials, with pinnately compound leaves and white flowers. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z All trees were found to have compound leaves, but the leaflet numbers varied greatly. Northern Nut Growers Association Report of the Proceedings at the 44th Annual Meeting Rochester, N.Y. August 31 and September 1, 1953 Occasionally, the leaflets of a compound leaf have been observed united by their margins, as in the strawberry, the white trefoil, and others. Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants Trees and shrubs, with alternate, stipulate, simple, or pinnately compound leaves. Trees of the Northern United States Their Study, Description and Determination The following hints may also be useful in distinguishing Groups 3 and 4: All herbaceous plants with deeply lobed, dissected or compound leaves may be sought under the Dicotyledones. The Plants of Michigan Simple Keys for the Identification of the Native Seed Plants of the State Stylopodium conical.—Smooth perennials, from large aromatic roots, with large ternately compound leaves, mostly no involucre, involucels of narrow bractlets, and white flowers in large many-rayed umbels. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z Stem with 2 to 4 pairs of opposite scales or buds below the compound leaves; leaflets glabrous, entire or denticulate J. regia 1. Northern Nut Growers Association Thirty-Fourth Annual Report 1943 The stamens are here analogues not of a simple entire leaf, but of a lobed, digitate, or compound leaf, each subdivision bearing its separate anther. Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants Herbs, shrubs, or trees, with pinnately or palmately compound leaves; here including Acanthopanax with palmately cleft leaves. Trees of the Northern United States Their Study, Description and Determination Trees with alternate pinnately compound leaves and flowers in catkins. 1a. The Plants of Michigan Simple Keys for the Identification of the Native Seed Plants of the State Fruit oblong to ovate, glabrous, with slender equal ribs, numerous oil-tubes, and depressed or cushion-like stylopodium.—Glabrous perennials, with ternately or pinnately compound leaves, involucre and involucels scanty or none, and white or yellow flowers. The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee 2012-04-12T02:00:30.140Z Petioles of the 3 lower compound leaves less than 1 cm. long; leaves crowded on a short axis J. californica 9. Northern Nut Growers Association Thirty-Fourth Annual Report 1943 The suppression of one or more leaflets of a compound leaf has already been referred to at p. Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants They have cylindrical, usually hollow stems; alternate, generally compound leaves the basis of whose stalks ensheath the branches or stems; and small flowers almost always arranged in compound terminal umbels. Culinary Herbs: Their Cultivation Harvesting Curing and Uses Herbs, with alternate or basal compound leaves with 3 reverse heart-shaped leaflets; sepals, petals, and styles each 5; stamens 10. The Plants of Michigan Simple Keys for the Identification of the Native Seed Plants of the State The stalk of a leaflet in a compound leaf. Handbook of the Trees of New England Scales or buds wanting between the lowest compound leaves and the leaves and the cotyledons J. sieboldiana 2. Northern Nut Growers Association Thirty-Fourth Annual Report 1943 The cycads are palm-like forms having a single trunk crowned by a circle of compound leaves. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses Many of the larger leaflets measured 5 × 9 inches, shape, oblong ovate, edges of leaf, serrate, total width of compound leaf, 17 inches. Northern Nut Growers Association Report of the Proceedings at the Twenty-Fourth Annual Meeting Downington, Pennsylvania, September 11 and 12, 1933 Low herbs with alternate compound leaves and minute axillary flowers; sepals 3, petals 3, stamens 6. The Plants of Michigan Simple Keys for the Identification of the Native Seed Plants of the State The main axis of a compound leaf, of a raceme or of a spike. Handbook of the Trees of New England Scales or buds in pairs on 1 to 4 nodes below the compound leaves. Northern Nut Growers Association Thirty-Fourth Annual Report 1943 Fortunes are told by pulling off leaflets of a compound leaf, such as the locust, repeating, “Rich man, poor man,” etc. Current Superstitions Collected from the Oral Tradition of English Speaking Folk The leaves are stalked bipinnate; leaflets three-parted, cut, and glaucous; there are few plants with more handsome foliage, and its beauty is further enhanced by the gracefully bending habit of the whole compound leaf. Hardy Perennials and Old Fashioned Flowers Describing the Most Desirable Plants, for Borders, Rockeries, and Shrubberies. Trees, with opposite palmately compound leaves, and showy white or yellowish flowers in panicles in spring; sepals 5; petals 4 or 5; stamens about 7; fruit a smooth brown nut. 1a. The Plants of Michigan Simple Keys for the Identification of the Native Seed Plants of the State It is a trailing vine with compound leaves of from four to seven leaflets which are double-toothed. On the Trail An Outdoor Book for Girls Leaves on the primary axis alternate, forming a gradual series from simple, entire scales to compound leaves; the lower 3 to 8 leaves simple. Northern Nut Growers Association Thirty-Fourth Annual Report 1943 One of these is the cut-leaf black walnut which has the ordinary compound leaf but whose individual leaflets are so scalloped and serrated that they resemble a male fern. Growing Nuts in the North A Personal Story of the Author's Experience of 33 Years with Nut Culture in Minnesota and Wisconsin Its fragile stem and delicate compound leaves, and the early season at which it blossoms, give attraction to this little plant, and make it a favourite with me. Chambers's Edinburgh Journal, No. 427 Volume 17, New Series, March 6, 1852 A compound leaf terminating in a pair of leaflets. The Plants of Michigan Simple Keys for the Identification of the Native Seed Plants of the State All have compound leaves and the leaflets are larger and fewer to the stem than the walnut, usually numbering from five to eleven. On the Trail An Outdoor Book for Girls This is said to display much of the elegance of the tropical acacia in the minute division and symmetry of its compound leaves. Among the Trees at Elmridge In shape, it is similar to an apple tree, spreading out rather than growing tall, but its long, compound leaves give it a tropical appearance. Growing Nuts in the North A Personal Story of the Author's Experience of 33 Years with Nut Culture in Minnesota and Wisconsin The compound leaves correspond to these modes of venation; they are either pinnately or palmately compound. Outlines of Lessons in Botany, Part I; from Seed to Leaf One portion of the blade of a compound leaf. The Plants of Michigan Simple Keys for the Identification of the Native Seed Plants of the State I have seen a leaflet low down in the compound leaf of Vicia sativa replaced by a tendril; and a tendril possesses many peculiar properties, such as spontaneous movement and irritability. The Variation of Animals and Plants under Domestication — Volume 2 It possesses a good deal of beauty, from the size and graceful sweep of its large compound leaves, that retain their brightness and verdure after midsummer, when our native trees have become dull. Among the Trees at Elmridge It climbs by the aid of the main and lateral petioles of its compound leaves; and even the much-flattened terminal portion of the petiole can seize a support. The Movements and Habits of Climbing Plants Petioles.—We will now turn to the petioles or foot-stalks of compound leaves, after the leaflets have fallen off. The formation of vegetable mould through the action of worms, with observations on their habits A compound leaf terminating in a single leaflet. The Plants of Michigan Simple Keys for the Identification of the Native Seed Plants of the State A compound leaf bearing leaflets along the sides of the axis. The Plants of Michigan Simple Keys for the Identification of the Native Seed Plants of the State The leaves are very small and scale-like, with sharp points, and grow in four rows on the ends of the branchlets, giving them the appearance of large compound leaves. Among the Trees at Elmridge With several organs or structures attached at or proceeding from the same point; applied chiefly to the arrangement of principal veins in a leaf and of leaflets in a compound leaf. The Plants of Michigan Simple Keys for the Identification of the Native Seed Plants of the State With several organs or structures attached at the sides of an axis or stalk; applied chiefly to the arrangement of the principal veins in a leaf and of leaflets in a compound leaf. The Plants of Michigan Simple Keys for the Identification of the Native Seed Plants of the State A compound leaf bearing leaflets at the end or along the sides of the main axis. The Plants of Michigan Simple Keys for the Identification of the Native Seed Plants of the State |
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