pappus
/pap-uhs/US // ˈpæp əs //UK // (ˈpæpəs) //
帕普斯,帕布斯,帕珀斯,帕帕斯
Definitions
n.名词 noun
- 1
plural pap·pi [pap-ahy]. /ˈpæp aɪ/. Botany.
- : a downy, bristly, or other tuftlike appendage of the achene of certain plants, as the dandelion and the thistle.
Examples
Pappus pilosus, denticulato scaber, pluriserialis, radiolis exterioribus brevioribus.
I do not think that I made enough about the great power of absorption of water by the corolla-like calyx or pappus.
Moreover, the hairs of the pappus which crowns the seed are four times longer, and unequal instead of being equal.
In both species the achenes of the ray have no pappus, but those of the disc have a pappus of stiff hairs in several rows.
The fruit is brown, curved, with transverse ridges and a stalked pappus of feathery hairs.
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