Elymus caianus S.L.Chen & G.H.Zhu

Species

Angiosperms > Poales > Poaceae > Elymus

Characteristics

Plants with short rhizome. Culms erect, ca. 70 cm tall, 1.2–2 mm in diam., 3-or 4-noded. Leaf sheath usually shorter than internode, glabrous; ligule very short, apex truncate; leaf blade flat or margin involute, 2–6 × 0.2–0.3 cm, abaxial surface often glabrous, adaxial surface scabrous or also sparsely pubescent. Spike slightly nodding, lax, 10–12 cm; rachis slender, margin spinose; internodes 5–12 mm. Spikelets purplish, 12–16 mm excluding awns, with 3 or 4 florets; rachilla puberulent; internodes 2–2.5 mm. Glumes lanceolate, 3-veined, scabrous along veins, apex acuminate; proximal glume 2–3 mm; distal glume 4–5 mm. Lemma narrowly lanceolate, usually spinose above middle and near margin; first lemma 8–10 mm; awn 6–8 mm. Palea slightly shorter than or equaling lemma, spinose along keels, glabrous between keels, apex truncate or obtuse. Anthers yellow, ca. 1 mm. Ovary obovate, apex pubescent. Fl. and fr. autumn. 2n = 28*.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.7
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

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

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Elymus caianus world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:20008838-1
WFO ID wfo-0000866069
COL ID 39DQQ
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Elymus caianus Roegneria gracilis