| 释义 |
phyllode|ˈfɪləʊd|
Also in L. form phyˈllodium.
[a. F. phyllode, ad. mod.L. phyllōdium (fɪˈləʊdɪəm), also in Eng. use, f. Gr. ϕυλλώδης leaf-like, f. ϕύλλον leaf: see -ode1.]
1. Bot. A petiole or leaf-stalk of an expanded and (usually) flattened form, resembling and having the functions of a leaf, the true leaf-blade being absent or much reduced in size, as in many Acacias.
1848Lindley Introd. Bot. (ed. 4) I. 297 The curious transformation undergone by the petiole when it becomes a phyllode. 1861Bentley Man. Bot. (1870) 175 To such a petiole the name of phyllodium or phyllode has been applied. 1885G. L. Goodale Physiol. Bot. (1892) 347 All the eight species of this genus [Sarracenia] have hollowed phyllodia, which form slender pitchers or urns.
2. Zool. = petal n. 2.
1888Rolleston & Jackson Anim. Life 557 In the Cassidulidae the peristomial ends of the ambulacra dilate into petala or phyllodes, forming a figure known as floscella.
Hence phyˈllodial a., pertaining to or of the nature of a phyllode; phylloˈdineous, phyˈllodinous a. [irreg.], bearing phyllodes; also = prec.; phyllodiniˈation, formation of phyllodes.
1858Mayne Expos. Lex., Phyllodialis, applied to the cup of an ascidiated leaf..when it is formed by the phyllodium, or the petiole enlarged in the form of a leaf, as in the Saracenia purpurea: *phyllodial.
1848Lindley Introd. Bot. (ed. 4) II. 307 Among the *phyllodineous Acacias.
1880A. R. Wallace Isl. Life 307 Australian affinities are shewn..by a *phyllodinous Acacia.
a1850R. Brown cited in Cassell for *Phyllodiniation. |