Carex glossostigma Hand.-mazz.

Species

Angiosperms > Poales > Cyperaceae > Carex

Characteristics

Rhizome rather stout and elongate. Flowering and vegetative culms spaced; sub-basal sheaths of flowering culms bladeless; blades of vegetative culms leathery to papery, broadly linear, 20-40 × 1-2.5 cm, glabrous or pilose on veins of both surfaces or abaxially, midvein and 2 lateral veins prominent. Flowering culms 30-40 cm tall, with spikes at nodes of upper 2/3 of culm; involucral bract sheaths inflated above and spathelike, glabrous or shortly pilose, blades much shorter to ca. 1/2 length of sheath, ligule indistinct. Spikes androgynous, single to 5-nate at each node, linear-cylindric, 2-3 cm, pedunculate; peduncle 2-15 cm, slender, often exserted; male part 1/4-1/2 length of spike, mostly distinctly shorter than female part, rather densely flowered; female part with 8-15 flowers, utricles sparse at maturity. Female glumes pale brown, ovate-elliptic, ca. 2.5 mm, rusty punctate, midvein distinct, many lateral veins indistinct, apex obtuse. Utricles slightly longer than glume, ovate-elliptic, trigonous, ca. 3 mm, prominently many veined, apex abruptly contracted into a short beak, beak bent downward, 1/8-1/4 length of utricle, subtruncate at orifice. Nutlet tightly enveloped, elliptic, trigonous, ca. 2.5 mm; style base not thickened; stigmas 3. Fl. and fr. May-Jul.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality -
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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 -
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Environment

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Usage

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

Cultivation

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Distribution

Carex glossostigma world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:299968-1
WFO ID wfo-0000347085
COL ID R9FZ
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Carex dayunshanensis Carex mandarinorum Carex exerta Carex ferruspiculata Carex glossostigma