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Cyperus haematocephalus Boeckeler ex C.B.Clarke

Species

Angiosperms > Poales > Cyperaceae > Cyperus

Characteristics

Perennial herb, tufted, 0.4-0.6 m high. Leaf blades 5 mm wide, flat. Culm scapose, 3-angled, 1.5 mm in diam. at middle. Inflorescence a compound anthela of ± spherical dense clusters of 20-40 spikelets, 25-125 mm in diam. Subtending bracts 3 or 4, leaf-like. Spikelets strongly compressed, oblong, 3-6 x 1.8 mm. Glumes regularly and closely imbricate, boat-shaped, 1.5 mm long, keel excurrent into recurved awn. Flowering time Feb. Nutlet elliptical, 0.8 mm long, 3-angled, yellowish brown, surface minutely reticulate.
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Perennial, herb, up to 0.6 m high; without stolons. Leaf blades developed. Flowers: umbel with densely agglomerated spikelets; spikelets digitate, greenish brown to dark greyish brown; glumes and nutlets abscising individually leaving a persistent rachilla; style with 3 well-developed branches; glumes many per spikelet, with a strongly recurved awn at apex, > 2.0 mm long, brown; Nov.-Feb.
Medium-sized, annual herb, up to 400 mm tall. Umbel with densely agglomerated spikelets. Glumes with a strongly recurved awn at apex, brown.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.4 - 0.6
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity 1-3
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

Uses medicinal
Edible -
Therapeutic use Basketry (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 25 - 30
Germination temperacture (C°) 21 - 23
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Cyperus haematocephalus world distribution map, present in Lesotho and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:304682-1
WFO ID wfo-0000374360
COL ID 33CD7
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Cyperus haematocephalus
WorldFloraDB 2024