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bracts

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bracts

音标:/brækt/ 生词本: 添加笔记:
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n. 苞叶;苞片(bract复数)

A scale-like bract enclosing the pistil in Carex.

雌器苞 Perigynium (pl. perigynia) 苔草属中,包雌蕊鳞片状苞片。

Nectaries 2--3 mm; style lobes 2--3 mm; bracts not cirrose at apex.

蜜腺2--3毫米;柱裂片2--3毫米;苞片而不是有卷须在先端。(18

Leaf blade narrowly elliptic-lanceolate to ovate-lanceolate, margin spiniform dentate; bracts of cupule subulate, ligulate, or linear, often reflexed.

叶片狭椭圆到卵状披缘具牙齿;钻,舌状壳斗苞片,或线,通常反折。(3

Rachis and pedicels lanuginose or tomentose; bracts orbicular-ovate, 5–7 mm, both surfaces densely sericeous; calyx adaxially densely sericeous; leaf base subcordate.

轴和绒毛或者绒毛;卵苞片圆,5-7毫米,两面密绢毛;正面萼是密绢毛;叶基部近心

Bract scale The structure found in large numbers in the female cone of gymnosperms, each bearing an ovuliferous scale in its axil.

在裸子植物雌球果中大量存在结构,每个苞鳞都包含一个珠鳞。

Utricles convex on both sides; rostra nearly equal to length of kernel; seed free from pericarp; leaves and bracts acicular to spinulose at apex.

胞果凸两面;喙差不多等于珠心长度;种子离生果皮;对具微刺在先端叶和苞片。

Rhizome long and thin or shortly nodulose; leaf blade ternate, petiole narrow; involucral bracts petiolate; pistils and achenes with distinct style and small, usually linear stigma.

根状茎长和薄或具短小节;三出叶片,狭窄叶柄;总苞片具叶柄;雌蕊和瘦果具明显柱和小,通常线柱头。(8

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相似单词


bracteoid, bracteolate, bracteole, bracteomania, bractlet, bracts, brad, bradawl, Bradbury, Braddock,
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