A scale-like bract enclosing the pistil in Carex.
雌器苞 Perigynium (pl. perigynia) 苔草属,包被雌蕊的鳞片状苞片。
A scale-like bract enclosing the pistil in Carex.
雌器苞 Perigynium (pl. perigynia) 苔草属,包被雌蕊的鳞片状苞片。
In the daisy family the numerous bracts which subtend the inflorescence are known as an involucre.
植物
,苞片
而聚生
花序外围,称为总苞。
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;卵形苞片圆形,5-7毫米,两面密被绢毛;正面的花萼是密被绢毛;叶基部近心形。
Bract scale The structure found in large numbers in the female cone of gymnosperms, each bearing an ovuliferous scale in its axil.
裸子植物的雌球果
大量存
的结构,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.
胞果凸的两面;喙差不等于珠心的长度;种子离生的果皮;对具微刺的
先端针状的叶和苞片。
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