bract

形容词：

形容词: bracteal

更多词形：

形容词: bracteal |

单词例句：

Of or relating to a sessile leaf or bract that completely clasps the stem and is apparently pierced by it.

抱茎的属于或关于完全环绕茎部并明显被茎穿过的无柄叶片或苞叶的

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

苞鳞：在裸子植物的雌球果中大量存在的结构，每个苞鳞都包含一个珠鳞。

The fresh quality of bract and leaves, and the dry quality of above-ground parts of poinsettia grown in medicine residue-substrate were higher than that in peat-substrate.

中药渣基质上一品红的苞片鲜质量、叶片鲜质量、地上干质量显著增加，其中以苞片鲜质量的增幅最大。

Bract puberulent or pubescent; peduncle 8-31.5 cm, villous or pubescent; leaf blade base cuneate to rounded, margin crenate to subentire or repand.

苞片被微柔毛的或短柔毛；花序梗8-31.5厘米，具长柔毛或短柔毛；叶片基部楔形到圆形，边缘具圆齿到近全缘或。(110

Fruit lens-shaped, attached to midrib of accrescent, membranous, reticulately veined floral subtending bract.

果透镜形，着生于增大，膜质，网状脉的花对着的苞片的中脉。

Leaf petiole more than 2 mm wide; involucral bract blade undivided or sometimes 3-lobed; cyme 1-flowered; sepals glabrous or sparsely puberulent; staminodes sometimes present.

叶柄超过2毫米宽；总苞片不裂或有时3浅裂；聚伞花序1花；萼片无毛的或疏生微柔毛；退化雄蕊有时宿存。(50

Inflorescence axillary, unbranched, male flowers 2 or 3 per bract.

花序腋生，不分枝，每苞片雄花2或3。

Stipules lanceolate, caducous, not becoming a bract.

托叶披针形，早落，不成为一个苞。

In the early December, the first bract primordium was formed in the axil scale at the cone base, then bract initiation had occurred in acropetal direction.

12月初，最初的苞片原基在雌球果原基的鳞片的叶腋处产生，之后其由基部向顶部连续发生。