| 单词 | umbellate |
| 释义 | umbellate, a.|ˈʌmbɛlət|
[ad. mod.L. umbellāt-us, f. L. umbella parasol, umbella: see -ate2. So Sw. umbellat, F. ombellé.]
1. Bot.
a. Of flowers: Forming, arranged in, an umbel or umbels.
1760J. Lee Introd. Bot. i. xix. (1765) 50 An Umbellate Flower is an aggregate one, consisting of many Florets placed on a Receptacle, on fastigiate Peduncles that are all produced from the same point. 1793[see umbelled a.]. 1807J. E. Smith Phys. Bot. 239 Its ultimate terminations are sometimes obscurely umbellate, especially while in blossom. 1826G. Samouelle Direct. Collect. Insects & Crust. 28 Alighting on the blossoms of trees and shrubs, and particularly on flowers of the umbellate kind. 1872Oliver Elem. Bot. ii. 184 Common Ivy... A climbing evergreen shrub, with..inconspicuous umbellate flowers.
b. Of plants: Having flowers in umbels.
1785Martyn Lett. Bot. v. (1794) 53 This then is the proper character of the umbellate tribe. 1822–7Good Study Med. (1829) I. 174 The umbellate order affords also a rich variety of carminatives.
2. Zool. Provided with, or forming, an umbel; umbelliferous; umbelliform.
1870[see umbel 2].
Hence ˈumbellately adv., in umbels.
1887Garnsey & Balfour tr. De Bary's Fungi v. 153 A creeping endophytic mycelium and straight erect simple sporophores ending in umbellately arranged heads of basidia. |
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