Cyperus L.

Caption:

Details

Name scientific

Cyperus L., Sp. Pl. 44 (1753)

Preferred name

Cyperus L.

Linked name

Cyperus

Biostatus

Origin

Occurrence

Georegion

Schema

Biostatus source

Comment

Indigenous, non-endemic

Wild

New Zealand

Political Region

Nomenclature

Authors

Original authors

Publication place

Linnaeus, C. 1753: Species Plantarum. Impensis Laurentii Salvii, Stockholm.

Year published

1753

Publication page

Nomenclatural code

ICN

Basionym

Cyperus L.

Taxonomic rank

genus

Canonical form

Cyperus

Classification

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Poales

Family

Cyperaceae

Genus

Cyperus

Subordinates

Synonyms

Descriptions

Healy, A. J.; Edgar, E. 1980: Flora of New Zealand. Vol. III. Adventive Cyperaceous, Petalous and Spathaceous Monocotyledons. Government Printer, Wellington.

Cyperus L.

Description

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.

Moore, L.B.; Edgar, E. 1970: Flora of New Zealand. Vol. II. Indigenous Tracheophyta: Monocotyledones except Gramineae. Botany Division DSIR, Wellington.

Cyperus L.

Description

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.