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Calamagrostis pseudophragmites (Haller f.) Koeler

Brief Summary

Comprehensive Description

Distribution

    Distribution
    provided by eFloras
    Europe, W. Asia, Himalaya, Tibet.
    Distribution
    provided by eFloras
    Gansu, Guizhou, Hubei, Nei Mongol, Qinghai, Sichuan, Xinjiang, Xizang, Yunnan and NE China [Bhutan, India (Darjeeling), Japan, Kazakhstan, Korea, Pakistan, Turkmenistan, Kyrgyzstan, Mongolia, Russia, Tajikstan, Uzbekistan; SW Asia, Europe].

Morphology

    Description
    provided by eFloras
    Perennial, tufted, rhizomatous; rhizomes spreading. Culms erect, 40–150 cm tall, 1.5–4 mm in diam., 2–6-noded, scabrid below panicle. Leaf sheaths smooth or scabrid; leaf blades flat or weakly inrolled, 10–30 cm, 2–5(–7) mm wide, adaxial surface and margins scabrid, abaxial surface smooth; ligule 4–10 mm, obtuse or lacerate. Panicle oblong-lanceolate, rather lax, 10–30 × 2–5 cm, primary branches distinct, nodding; branches in dense whorls, scabrid. Spikelets 5–9 mm, yellowish green or purple; glumes linear-lanceolate, unequal, upper glume 2/3–3/4 length of lower glume, keel scabrid, apex acuminate-subulate; callus hairs 2–3 times length of lemma; lemma about 1/2 as long as glumes, 3–4 mm, 3-veined, apex entire or 2-denticulate; awn arising just below lemma apex, 1–3 mm, scarcely projecting from glumes, straight; palea 1/2–2/3 as long as lemma. Stamens 3; anthers 1–2 mm; rachilla not extended. Fl. and fr. Jul–Sep.
    Description
    provided by eFloras
    Tufted perennial with creeping rhizomes; culms 20-150 cm high, erect, rather stout, rough beneath the panicle. Leaf-blades up to 35 cm long, 2.5-10 mm wide, flat or convolute, scabrid above; ligule 4-10 mm long, acute or lacerate. Panicle soon nodding, lanceolate to oblong, 4-40 cm long, lax or dense and spike-like, usually tinged with purple. Spikelets 5-9 mm long, the rhachilla usually not prolonged; glumes unequal, narrowly lanceolate, smooth or scaberulous only on the keel; lemma about half the length of the glumes, smooth, truncate-denticulate at the tip; awn 1-3 mm long, arising within 0.3 mm of the lemma tip and scarcely projecting beyond the glume tips; callus hairs 2-3 times the length of the floret.
    Elevation Range
    provided by eFloras
    1500-4600 m

Diagnostic Description

    Synonym
    provided by eFloras
    Arundo pseudophragmites A. Haller, Arch. Bot. (Leipzig), 1(2): 11. 1797; Calamagrostis nepalensis Nees ex Steudel.

Habitat

    Habitat
    provided by eFloras
    Damp grassy slopes, near riversides; 300–2500 m.