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In botany, a perigynium (plural: perigynia), also referred to as a utricle, typically refers to a sac that surrounds the achene of plants in the genus Carex . [ 1 ] [ 2 ] The perigynium is a modified prophyll , also known as a glume , which is tissue of leaf origin that encloses the dry, one-seeded achene.
Carex is a vast genus of over 2,000 species [2] of grass-like plants in the family Cyperaceae, commonly known as sedges (or seg, in older books). Other members of the family Cyperaceae are also called sedges, however those of genus Carex may be called true sedges , and it is the most species-rich genus in the family.
Carex sect. Spirostachyae is a section of the genus Carex, containing 38 species of sedge.Species in Carex sect. Spirostachyae share a suite of features, including the short internodes of the primary rhizomes, the presence of an antiligule, the leaf-like, sheathing bract at the base of the inflorescence, the presence of three stigmas in female flowers, and the shape of the seeds.
The Cyperaceae (/ ˌ s aɪ p ə ˈ r eɪ s i. iː,-ˌ aɪ /) are a family of graminoid (grass-like), monocotyledonous flowering plants known as sedges.The family is large; botanists have described some 5,500 known species in about 90 genera [3] [4] – the largest being the "true sedges" (genus Carex), [5] [6] with over 2,000 species.
Carex is a subgenus of the sedge genus Carex. It is the largest of the four traditionally recognised subgenera, containing around 1400 of the 2000 species in the genus. [ 1 ] Its members are characterised by the presence of one or more exclusively male (staminate) terminal spikes , quite dissimilar in appearance from the lateral female ...
Pages in category "Carex" The following 200 pages are in this category, out of approximately 921 total. This list may not reflect recent changes.
This is why people, especially those with female anatomy, are told to pee after sex since the friction of sexual activity can push bacteria into the urethra. If left untreated, ...
Carex filifolia is a species of sedge known by the common name threadleaf sedge. It is native to western North America and grows on slopes, eroded areas, gravel, and ...