Cyperus duclouxii E.G.Camus

Species

Angiosperms > Poales > Cyperaceae > Cyperus

Characteristics

Perennials. Rhizomes and stolons ± long, soft, scaly. Culms scattered, 15-65 cm tall, 3-angled, smooth, basally few leaved. Leaves usually shorter than culm but sometimes apical leaves longer than culm; sheath reddish brown; leaf blade 0.5-1.5 cm wide, flat. Involucral bracts (2 or)3-5, leaflike, longer than inflorescence, 0.6-1.6 cm wide, margin scabrous. Inflorescence a compound anthela; rays 4-8, mostly to 3.5 cm, some with raylets. Spikelets 3-6(-10), digitately arranged at apex of rays or raylets, ovoid to narrowly ovoid, 4-6 × 1.5-2 mm, compressed, 6-14-flowered; rachilla wingless. Glumes dark purple on both surfaces but middle yellowish green, densely imbricate, orbicular-ovate to suborbicular, ca. 1.5 mm, membranous, 3-veined, abaxially slightly keeled, margin apically white hyaline, apex rounded and sometimes mucronulate. Stamens 2; anthers oblong, ca. 0.3 mm; connective not prolonged. Style 0.2-0.3 mm; stigmas 3, 0.3-0.5 mm. Nutlet yellowish, oblong to ellipsoid, ca. 2/3 as long as subtending glume, 3-sided, apex mucronate. Fl. and fr. Jun-Nov.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.15 - 0.65
Root system rhizome
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 -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

Uses fiber
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 duclouxii world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:304362-1
WFO ID wfo-0000372299
COL ID 33C4N
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Cyperus duclouxii