Courtoisina cyperoides (Roxb.) Soják

Species

Angiosperms > Poales > Cyperaceae > Courtoisina

Characteristics

Culms 8-38(-80) cm tall, slightly slender, compressed cylindric, sometimes obtusely 3-angled at apical part, smooth. Leaves several, basal, shorter than to equaling culm; sheath short, usually split; leaf blade 2-3 mm wide, flat, apical margin spinulose. Involucral bracts 3-5, leaflike, basal 2 or 3 longer than inflorescence. Inflorescence a compound anthela; rays 3-7, mostly to 4.5 cm, unequal in length, each with (0-)3-6 raylets; raylets less than 1.5 cm. Spikes globose, 5-9 mm in diam., with 6-15 densely clustered spikelets. Spikelets broadly ellipsoid to ellipsoid, ca. 3 × 1.5-2 mm, strongly compressed, 1-or 2-flowered. Glumes yellowish brown, boat-shaped, 3.5-4 mm, membranous, laterally 1-veined, keel glaucous, broadly winged, and extending into an apical mucro. Stamens 3; anthers oblong. Style short; stigmas 3, slightly longer than style, laxly papilliferous. Nutlet dark reddish brown, narrowly oblong, 3-sided with sharp angles, 2.7-3 mm, densely puncticulate, apex acuminate. Fl. and fr. Jun-Sep. 2n = 10.
Life form annual
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.08 - 0.38
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

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

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

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

Distribution

Courtoisina cyperoides world distribution map, present in Botswana, China, Kenya, Madagascar, Mozambique, Namibia, eSwatini, Chad, Thailand, Tanzania, United Republic of, Zambia, and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:303617-1
WFO ID wfo-0000363933
COL ID YZSB
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Courtoisina cyperoides Cyperus kleinianus Kyllinga cyperoides Cyperus pseudokyllingioides var. africanus Mariscus cyperoides subsp. africanus