Kobresia vaginosa C.B.Clarke

Species

Angiosperms > Poales > Cyperaceae > Kobresia

Characteristics

Rhizomes short, or shortly and obliquely elongated, plants forming a turf. Basal sheaths prominent and persistent, reddish brown or pale brown, dull, fibrillose, not retaining dried leaf blades. Culms densely tufted, erect or curved, subterete, 3.5-10 cm tall, slender, ca. 0.5 mm in diam. Leaves basal, equaling or exceeding culms; blade filiform, flaccid, ca. 0.5 mm wide, margin involute. Inflorescence spicate, linear, rather lax, usually unisexual, occasionally gynaecandrous or androgynous, plants with male and female inflorescences on same individual, or sometimes dioecious; spikelets unisexual. Male spikes 1.5-3 × ca. 0.2 cm; male glumes oblong-lanceolate, 6-8 × 1.2-2 mm, midvein green, margin and apex hyaline. Female spikes 2-3.5 × ca. 0.2 cm; lowest involucral bract glumelike, apex acute or shortly aristate; female glumes brown, with pale brown or pale green midvein, lanceolate, 5-6.2 × 1.7-2 mm, midvein narrow, margin broadly hyaline, apex subacute or obtuse. Prophylls lower part yellow, upper part and margin brown, linear, 4.7-5.7 × ca. 0.7 mm, 2-keeled, keels scabrid, margins free to base, apex truncate, hyaline. Nutlets narrowly oblong or oblanceolate, trigonous, shortly stipitate and beaked, 3.5-4 (excluding beak) × 0.6-1.2 mm, beak 0.5-1 mm. Stigmas 3. Sterile rachilla of female spikelets to 1/2 as long as nutlet. Fl. and fr. Jul-Sep.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.04 - 0.1
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 -
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

Kobresia vaginosa world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:309766-1
WFO ID wfo-0000453496
COL ID 3RB4Z
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Kobresia nepalensis var. vaginosa Kobresia nepalensis subsp. vaginosa Kobresia vaginosa