A scale-like bract enclosing the pistil in Carex.
雌器 Perigynium (pl. perigynia) 苔草属
,包被雌蕊
鳞
状
。
A scale-like bract enclosing the pistil in Carex.
雌器 Perigynium (pl. perigynia) 苔草属
,包被雌蕊
鳞
状
。
In the daisy family the numerous bracts which subtend the inflorescence are known as an involucre.
在菊科植物,
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;卵形形,5-7毫米,两面密被绢毛;正面
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.
在裸子植物雌球果
大量存在
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
在先端针状
叶和
。
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