A scale-like bract enclosing the pistil in Carex.
雌器 Perigynium (pl. perigynia) 苔草属中,包被雌蕊的鳞片状
片。
A scale-like bract enclosing the pistil in Carex.
雌器 Perigynium (pl. perigynia) 苔草属中,包被雌蕊的鳞片状
片。
In the daisy family the numerous bracts which subtend the inflorescence are known as an involucre.
在菊科植物中,片数目多而聚生在花序外围,称为总
。
Rachis and pedicels lanuginose or tomentose; bracts orbicular-ovate, 5–7 mm, both surfaces densely sericeous; calyx adaxially densely sericeous; leaf base subcordate.
轴和花梗被绒毛或者被绒毛;片圆
,5-7毫米,
被绢毛;正
的花萼是
被绢毛;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.
在裸子植物的雌球果中大量存在的结构,每个鳞都包含一个珠鳞。
Utricles convex on both sides; rostra nearly equal to length of kernel; seed free from pericarp; leaves and bracts acicular to spinulose at apex.
胞果凸的;喙差不多等于珠心的长度;种子离生的果皮;对具微刺的在先端针状的叶和
片。
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