Carex physodes

SPECIES

1. KingdomPlantae
2. PhylumTracheophyta
3. ClassLiliopsida
4. OrderPoales
5. FamilyCyperaceae

Native toAfghanistan, Iran, Kazakhstan, Kirgizstan, North Caucasus, Pakistan, South European Russia, Tadzhikistan, Turkmenistan, Uzbekistan, Xinjiang

Observations recorded590

Sand-binding perennial, 15-35 cm. Rhizome emitting subterranean stolons covered by dark, fibrous scales. Stem erect or ascending, 0.7-1.7 mm in diam., terete or obtusely trigonous, smooth, greyish green. Leaves from c. 1/2 of stem length to almost equalling it; sheaths 30-60 mm, greyish-brown, fibrous, old blades cut off by sand, often at one level; ligule c. 0.2 mm; blades 1.5-2.5 mm wide, channelled or involute, stiff, frequently falcate, long-attenuate, smooth or scabrous towards apex. Inflorescence compact, of 5-6, mostly androgynous spikes; proportion of male flowers per spike varies from few to the majority. Bracts glume-like, lower to length of their spike, amplexicaul. Male glume c. 6.2 x 1.4 mm, narrowly triangular, acute, light brown, with wide scarious margins. Female glumes 4.6-5 x 2-2.5 mm, cymbiform, acute or with arista up to 1.5 mm, light brown, margins widely scarious. Utricles finally much inflated, up to 25 x 12 mm, globose or elongate, membranaceous, many-nerved, smooth, glossy, with stipe c. 0.5 mm, beak 0.7-1.5 mm, conical or cylindrical, brown or scarious, ostiole oblique. Nut 2.9-3.1 x 2.3-2.7 mm, spherical, bi-convex, light brown, reticulate.

via GBIF · Kew POWO

Wikidata facts

Image

Carex physodes 123408577.jpg

via Wikidata · CC0