A structure surrounding the ovary or archegonium of a plant; spec. an inflated membranous sac (utricle) surrounding the ovary in sedges. Also: the…
单词 | θ23059 |
释义 | the world > plants > particular plants > plants and herbs > a grass or grasses > reedy or aquatic grasses > [noun] > sedges > parts of (2) perigynium1821 A structure surrounding the ovary or archegonium of a plant; spec. an inflated membranous sac (utricle) surrounding the ovary in sedges. Also: the… perispore1848 Any of the bristles forming the perianth of some sedges. Obsolete. rare. |
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