Cyperus L.
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Details
Nomenclature
L.
L.
1753
44
ICN
Cyperus L.
genus
Cyperus
Classification
Subordinates
- Cyperus albostriatus
- Cyperus alternifolius
- Cyperus brevifolius
- Cyperus buchanii
- Cyperus compressus
- Cyperus congestus
- Cyperus eragrostis
- Cyperus esculentus
- Cyperus gracilis
- Cyperus gracilis
- Cyperus gunnii
- Cyperus insularis
- Cyperus involucratus
- Cyperus kyllingia
- Cyperus longus
- Cyperus mindorensis
- Cyperus papyrus
- Cyperus polystachyos
- Cyperus prolifer
- Cyperus punctatus
- Cyperus rotundus
- Cyperus sanguinolentus
- Cyperus tendo
- Cyperus tenellus
- Cyperus ustulatus
Synonyms
Descriptions
Cyperus L.
Annual, or perennial, often rhizomatous herbs. Stems leafy at base or leaves reduced to basal sheaths. Inflorescence umbellate or capitate, surrounded by 1-several leaf-like involucral bracts. Spikelets compressed or subterete, 1-many-flowered, usually clustered in spikes at tips of rays or in a sessile spike. Flowers hermaphrodite. Glumes distichous, usually all fertile. Hypogynous bristles 0. Stamens 2-3, or 1. Style 2-3-fid, continuous with ovary, not thickened at base. Nut trigonous or biconvex. A tropical and warm temperate genus of c. 550 spp., one endemic in N.Z.; 13 adventive.
Cyperus L.
Infl. a terminal umbel-like corymb or reduced to a single head or spikelets. Spikelets compressed or subterete, 1-∞-fld; fls hermaphrodite or the terminal 1–3 occ. male. Glumes distichous. Hypog. bristles 0. Stamens 2–3, or 1. Style 2–3-fid, continuous with ovary, not thickened at base. Nut triquetrous or plano-convex. Annual or perennial, often rhizomatous herbs. Stems lfy at base, or lvs reduced to sheaths. A tropical and warm temperate genus of c. 550 spp.; the N.Z. sp. endemic.
Taxonomic concepts
Ascolepis Nees ex Steud.
Cyperus L.
Thryocephalon J.R.Forst. & G.Forst.
Thryocephalon J.R.Forst. & G.Forst.
Cyperus L.
Collections
Metadata
d07d84cc-dee9-41c5-87b8-92e3bf272ea6
scientific name
Names_Plants
1 January 2000
16 January 2008