| 单词 | samara |
| 例句 | The green leaves are threaded, and the seeds, or samara, are conspicuously scarlet. Why the Japanese maple is a must-have for any foliage-loving gardener 2016-10-25T04:00:00Z Acorns and winged maple keys, whose scientific name is a samara, are also fruit. Concepts of Biology 2013-04-25T00:00:00Z We hung maple samaras, those winged seeds like helicopters, on our noses. Giving Thanks for a Beloved Sugar Maple 2022-11-24T05:00:00Z In spring, the male and female flowers hang in drooping clusters from the ends of the twigs, and the seeds, known as samaras and popularly referred to as helicopters, are 1 to 1½ inches long. A Seattle artist’s inspired guide to our majestic ‘Trees of the West’ 2022-11-18T05:00:00Z Come midsummer, the samaras flush pink, gradually ripening to deep red as the foliage warms up to a fiery, if brief, autumnal display. Flame Amur maple might be scruffy, but it has moments of fiery glory — and some perfect spots in the landscape 2021-10-23T04:00:00Z Red maples’ seeds, or samaras, mature by June and helicopter down, to the delight of children. City Room: A Burst of Spring Blossoms 2014-03-22T00:30:10Z From the back of each carpel grows a wing, converting the fruit into two 1-seeded, at length separable samaras or keys. 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 fruit, which ripens in the fall, consists of a two-winged “samara”, or “key”, the two wings nearly parallel, each about 1 inch in length and containing a seed. Forest Trees of Illinois How to Know Them 2011-10-08T02:00:23.997Z Characteristics of the Tree: Height, 80'-120'; diameter, 2'-4'; branches, low; bark, dark gray, shaggy, divided by long ridges; leaves, palmately 5 lobed, acute sinuses; fruit, double samaras, forming characteristic maple key. Wood and Forest 2011-03-01T03:00:42.647Z “People see it as scruffy and stunted and not very attractive, despite the week or so of autumn color, or the few weeks when the cherry-red samaras are showing,” he says. Flame Amur maple might be scruffy, but it has moments of fiery glory — and some perfect spots in the landscape 2021-10-23T04:00:00Z The fruit is an oblong samara, about an inch long. Wayside and Woodland Trees A pocket guide to the British sylva 2010-12-25T03:00:16.510Z Flowers polygamous; ovary 2-celled, forming a samara, like that of Elm. 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 fruit is a samara, or key, winged similarly to that of a sugar maple, but smaller. Forest Trees of Illinois How to Know Them 2011-10-08T02:00:23.997Z Characteristics of the Tree: Height, 80'-100'; diameter, 2'-3', trunk often clear for 60'; bark, gray tinged with red, corky, irregular projections, give shaggy appearance; leaves, obovate, doubly serrate, 3"-4" long; fruit, pubescent, samaras. Wood and Forest 2011-03-01T03:00:42.647Z Blossoms are followed by a heavily set crop of samaras, those winged seed structures we used to call “helicopters” when we were kids. Flame Amur maple might be scruffy, but it has moments of fiery glory — and some perfect spots in the landscape 2021-10-23T04:00:00Z The samaras are scimitar-shaped and red-brown, about an inch and a half long. Wayside and Woodland Trees A pocket guide to the British sylva 2010-12-25T03:00:16.510Z The tree is known by its very long pinnate leaves of many leaflets, and small polygamous greenish flowers in panicles, the female producing 2–5 thin, linear-oblong, veiny samaras. 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 fruit, ripening in October but remaining on the tree during the winter, is a one-seeded samara, spirally twisted, borne in crowded clusters. Forest Trees of Illinois How to Know Them 2011-10-08T02:00:23.997Z Fruit a flattened, round-winged samara; ripe in the spring and dropping early from the trees. Trees of the Northern United States Their Study, Description and Determination The samaras to follow on this Norway maple are smaller than those of the other two maples mentioned, and they hang together at a different angle, somewhat more graceful. Getting Acquainted with the Trees They are about a quarter of an inch across, have narrow sepals and narrower petals, eight stamens, and a two-lobed flattened ovary, that develops into the pair of broad-winged "keys," or samaras. Wayside and Woodland Trees A pocket guide to the British sylva 2010-12-25T03:00:16.510Z They would run swiftly out upon the ends of the small branches, reach out for the maple keys, snip off the wings, and deftly slip the nut or samara into their cheek pockets. Squirrels and Other Fur-Bearers Fruit.—A samara, winged all round, 3/4 inch in diameter, roundish, pubescent over the seed, not fringed, larger than the fruit of U. Americana. Handbook of the Trees of New England The winged samaras of the ash and the box elder are other modifications of the same principle. Some Winter Days in Iowa They do their work promptly, and the little flat fruits, or "samaras," are ripened and dropped before most of us realize that the spring is fully upon us. Getting Acquainted with the Trees The seeds inclosed were the samaras of Acer rubrum, called the "soft" maple in many localities, and "red" maple in others. Scientific American Supplement, No. 388, June 9, 1883 It also feeds on the samara of maple, as we reared the moth in June, 1881, from larvæ infesting these winged seeds that had been collected by Mr. A.J. Scientific American Supplement, No. 363, December 16, 1882 This is one of the earliest trees to bloom in spring, and the pretty winged samaras soon mature and fall. Scientific American Supplement, No. 388, June 9, 1883 |
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