单词 | gamopetalous |
例句 | It may consist of a number of separate parts, called petals, or these may be more or less united, in which case the corolla is said to be gamopetalous. The Wild Flowers of California: Their Names, Haunts, and Habits 2012-02-17T03:00:37.163Z Ebena�ce�, a nat. ord. of gamopetalous Dicotyledons, consisting of trees and shrubs, of which the wood is very hard, and frequently of very dark colour in the centre, as ebony. The New Gresham Encyclopedia Volume 4, Part 1: Deposition to Eberswalde 2011-04-14T02:00:57.977Z A gamopetalous corolla falls off in one piece; but sometimes the base of the corolla remains persistent, as in Rhinanthus and Orobanche. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" 2011-04-03T02:00:20.883Z ERICACEAE, in botany, a natural order of plants belonging to the higher or gamopetalous division of Dicotyledons. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 7 "Equation" to "Ethics" 2011-02-27T03:00:31.973Z Asclepliada�ce�, an order of gamopetalous Dicotyledons, the distinguishing characteristic of which is that the anthers adhere to the five stigmatic processes, the whole sexual apparatus forming a single mass. The New Gresham Encyclopedia. Vol. 1 Part 2 Amiel to Atrauli The old name for this was Monopetalous, but that means "one-petalled;" while gamopetalous means "petals united," and therefore is the proper term. The Elements of Botany For Beginners and For Schools Petals united into a gamopetalous corolla, the tube of which is as long as or longer than the lobes — 18. 13a. The Plants of Michigan Simple Keys for the Identification of the Native Seed Plants of the State In some cases only one covering is formed, especially amongst gamopetalous dicotyledons, as in Compositae, Campanulaceae, also in walnut, &c. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" 2011-04-03T02:00:20.883Z Another feature of interest is the rarity with which axillary prolification is found in irregular gamopetalous blooms. Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants Amongst Dicotyledons the gamopetalous forms are admitted to be the highest development and a dominant one of our epoch. Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1 This is a common form of gamopetalous corolla; and the calyx is often bilabiate also. The Elements of Botany For Beginners and For Schools The more or less cylindrical portion of a gamosepalous calyx or a gamopetalous corolla, distinguished from the expanded or lobed terminal portion. The Plants of Michigan Simple Keys for the Identification of the Native Seed Plants of the State The general name of polypetalous is given to corollas having separate petals, while monopetalous, gamopetalous or sympetalous is applied to those in which the petals are united. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" 2011-04-03T02:00:20.883Z The heath-family or the Ericaceae and their nearest allies are usually considered to be the lowest of the gamopetalous plants. Species and Varieties, Their Origin by Mutation Well-defined polypetalous and gamopetalous genera sometimes occur in the same order, and even Monocotyledons and Dicotyledons are classed together where they have some striking physiological character in common. Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1 In a gamopetalous corolla or gamosepalous calyx, the shape of the tube in the bud may sometimes be noticeable. The Elements of Botany For Beginners and For Schools If the character became fixed, so as to lose its present state of variability, such a group of supposititious gamopetalous plants might be quite analogous to the corresponding real gamopetalous families. Species and Varieties, Their Origin by Mutation The broadest and most convincing one appears to me to be afforded by the cohesion of the petals in gamopetalous flowers. Species and Varieties, Their Origin by Mutation Some flowers are quite normal, exhibiting no sign of connation; others are wholly gamopetalous, the four petals being united from their base to the very margin of the cup formed. Species and Varieties, Their Origin by Mutation Giving free rein to our imagination, we may for a moment assume the possibility of a new subdivision of the vegetable kingdom, arising from Vilmorin's poppy and having gamopetalous flowers for its chief character. Species and Varieties, Their Origin by Mutation No doubt it is not at all of rare occurrence, and the origin of the present gamopetalous families is to be considered as nothing extraordinary. Species and Varieties, Their Origin by Mutation |
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