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Cyperus semitrifidus Schrad.

Species

Angiosperms > Poales > Cyperaceae > Cyperus

Characteristics

Perennial herb, forming small tufts, 0.06-0.25 m high. Leaf blades 1.5-2.0 mm wide, inrolled. Culm scapose, ± 1.0-1.5 mm in diam. Inflorescence a head of 6-14 spikelets. Subtending bracts 3, leaf-like. Spikelets compressed, lanceolate, up to 18 x 5 mm, smaller, 20-flowered. Glumes close-packed, ± lanceolate, 3-4 mm long, keel excurrent into small point. Flowering time Dec., Jan. Nutlet obovate, subobtuse, 1.3-1.7 mm long, 3-angled (obscurely angled on back), black appearing greyish, surface minutely reticulate.
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Perennial herb, up to 0.25 mm high, with woody rhizome, without stolons. Leaf blades developed; old leaf sheaths brown and quite hard. Flowers: spikelets digitate; style undivided or divided into 2 or 3 short stigmas; glumes and nutlets abscising individually leaving a persistent rachilla; glumes many per spikelet, > 2 mm long, reddish brown to purplish black; Oct.-Mar.
Sparsely tufted, low perennial, 8-25 cm. Spikelets reddish brown.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.03 - 0.13
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity 1-5
Soil texture 7-8
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses -
Edible -
Therapeutic use -
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 semitrifidus world distribution map, present in Angola, Botswana, Lesotho, Mozambique, eSwatini, Tanzania, United Republic of, South Africa, Zambia, and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:305903-1
WFO ID wfo-0000382381
COL ID 33DFV
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Cyperus crinitus Cyperus multiglumis Cyperus semitrifidus Cyperus apricus Cyperus herbivagus Cyperus semitrifidus var. apricus Cyperus semitrifidus var. multiglumis Cyperus semitrifidus var. sanguinolentus Cyperus usitatus var. sanguinolentus
WorldFloraDB 2024