Elymus zadoiensis

HABIT Perennial. Butt sheaths pubescent. Culms erect; 20–40 cm long; 1–1.5 mm diam. Leaf-sheath auricles falcate. Ligule an eciliate membrane. Leaf-blades involute; stiff.

INFLORESCENCE Inflorescence composed of racemes.

Racemes 1; single; drooping; sinuous; bilateral; 7–11 cm long. Rhachis flattened. Spikelet packing broadside to rhachis; lax.

Spikelets solitary. Fertile spikelets sessile.

FERTILE SPIKELETS Spikelets comprising 5–9 fertile florets; with diminished florets at the apex. Spikelets elliptic to oblong; laterally compressed; 10–12 mm long; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes persistent; similar. Lower glume lanceolate; 4–5 mm long; 0.8 length of upper glume; coriaceous; without keels; 3 -veined. Lower glume apex acuminate. Upper glume lanceolate; 5–6.5 mm long; coriaceous; without keels; 3–4 -veined. Upper glume apex acute, or acuminate.

FLORETS Fertile lemma lanceolate; 9–10 mm long; coriaceous; 5 -veined. Lemma apex acuminate; awned; 1 -awned. Principal lemma awn 12–30 mm long overall. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Anthers 3; 1–1.2 mm long.

DISTRIBUTION Asia-temperate: China.

NOTES Triticeae. Lu &Wu 2015.

Please cite this publication as detailed in How to Cite Version: 3rd February 2016.