Carex tangiana Ohwi

Species

Angiosperms > Poales > Cyperaceae > Carex

Characteristics

Rhizome with rather thick, stiff stolons. Culms 30-40 cm tall, triquetrous, smooth, scabrid on upper part, clothed with red-brown and bladeless sheaths at base. Leaves slightly longer than or equaling culm, blades 2-3 mm wide, flat, stiff, scabrous on margins, rather long sheathed. Involucral bracts leafy, lowermost involucral bract longer than inflorescence, upper involucral bracts shorter than inflorescence, nearly not sheathed. Spikes 3 or 4; terminal 1 or 2 spikes male, approximate, narrowly cylindric or lanceolate, 1.2-2.5 cm, sessile; remaining spikes female, remote, cylindric, 2.5-3.5 × 0.5-0.6 cm, densely many flowered, lowermost one shortly pedunculate, upper ones nearly sessile. Female glumes brown-yellow, ovate, ca. 3 mm, membranous, 3-veined, brownish yellow between veins, apex acuminate, shortly aristate, scabrous on margins of awn. Utricles stramineous, obliquely patent, slightly longer than glume, elliptic or broadly ovate, subplano-convex, slightly inflated, 3.5-4 mm, leathery, glabrous, slightly shiny, indistinctly veined, base subrounded or broadly cuneate, apex abruptly narrowed to a short beak, orifice shortly 2-toothed, teeth straight. Nutlets rather loosely enveloped, subobovate, trigonous, ca. 2 mm, base stipitate; style rather long, base not thickened, slightly recurved; stigmas 3, rather short. Fl. and fr. May-Jul.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.3 - 0.4
Root system rhizome
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Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
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Usage

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

Cultivation

Mode -
Germination duration (days) -
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Distribution

Carex tangiana world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:302541-1
WFO ID wfo-0000351834
COL ID 5XCDZ
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Carex tangiana