“perule”的英文意思_释义_用法

单词

perule

释义

perule Bot.|ˈpɛr(j)ʊl|
[a. F. pérule, ad. mod.L. pērula, dim. of pēra, a. Gr. πήρα purse, wallet.]
†a. The covering of a seed. Obs.
b. Applied, after Mirbel and Zuccharini, to the scaly covering of a leaf-bud.
c. Applied, after L. C. Richard, to a kind of sac formed by the adherent bases of the two lateral sepals in certain Orchideæ.
1825Hamilton Dict. Terms Art, Perule, in Botany, the cover of a seed.1856Henslow Bot. Dict. 133 Perula (a little pouch), a sac formed in some Orchideæ by the prolonged and united bases of two of the segments of their perianth. The cap-like covering of buds, formed by the abortion of their outer leaves.1866Treas. Bot., Perule, the covering of a leaf-bud formed by scales; also a projection in the flower of the orchids formed by the enlargement of two lateral sepals.
Hence ˈperulate a., having a perule.
1858Mayne Expos. Lex.

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