ocrea

基本解释

Cilia of ocrea 0.5-5 mm; achenes biconvex, rarely trigonous.
托葉鞘的緣毛0.;5-5毫米；瘦果兩麪凸，很少三稜。(54
Leaves opposite;adaxial surface of petiole often with a basal semicircular or semiamplexicaul ocrea.
葉對生有一基本的半圓或者半抱莖托葉鞘的葉柄通常的正麪。
Inflorescence spicate, capitate, or paniculate; ocrea neither 2-cleft nor lacerate; petiole not articulate; filaments not dilated at base.
穗狀，頭狀的花序，或圓錐狀；托葉鞘不兩2半裂也不撕裂狀；葉柄無節；花絲而不是膨大的在基部。(17
Leaves hastate, both surfaces sparsely bristly, sometimes rarely stellate hairy; wings of ocrea with entire or crenate margin.
戟形的葉，兩麪稀疏具剛毛，有時很少星狀毛；托葉鞘具全緣的或具圓齒邊緣的翅。(23
ocrea fugacious, brown, thinly membranous.
托葉鞘先落，棕色色的，薄膜質。