Present on Pacific Islands? no
Primarily a threat at high elevations? no
Risk assessment results: High risk, score: 7 (Go to the risk assessment)
Common name(s): [more details]
Chinese: de lan chou cao
Description: "Perennial; caespitose. Rhizomes elongated. Culms erect; 40-90 cm long. Leaf-sheaths tubular for much of their length; with 1 of their length closed. Ligule an eciliate membrane; 0.5 mm long. Leaf-blades convolute; 10-15 cm long; 2-4 mm wide. Leaf-blade surface scaberulous; rough on both sides. Inflorescence a panicle. Panicle open; linear; dense; 4-7 cm long; 1.5 cm wide. Spikelets solitary. Fertile spikelets pedicelled. Pedicels 1-5 mm long. Spikelets comprising 1 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 6 mm long; breaking up at maturity; disarticulating below each fertile floret. Glumes persistent; similar; reaching apex of florets, or exceeding apex of florets; thinner than fertile lemma. Lower glume oblong; 2-3 mm long; 0.4-0.5 length of upper glume; membranous; without keels; 5 -veined. Lower glume apex erose; obtuse. Upper glume oblong; 5-6 mm long; 1-1.1 length of adjacent fertile lemma; membranous; without keels; 5 -veined. Upper glume apex erose; obtuse. Florets: Fertile lemma elliptic; 5 mm long; chartaceous; without keel; 7-9 -veined. Lemma margins ciliate. Lemma apex obtuse. Palea 2 -veined. Apical sterile florets 2-3 in number; barren; in a clump; cuneate. Lodicules 2; united; oblong; fleshy; truncate. Anthers 3. Caryopsis with adherent pericarp. Hilum linear" (GrassBase).
Habitat/ecology: In China, "deciduous broad-leaved forests, hills in steppe, dry places; 800-2000 m" (Flora of China online).
Native range: Europe and Asia (GrassBase).