Milium atropatanum

HABIT Perennial; culms solitary. Rhizomes elongated. Culms erect, or decumbent; 35–65 cm long; 1.5–2.2 mm diam.; (2–)3–5 -noded. Culm-internodes smooth; distally glabrous. Leaf-sheaths glabrous on surface. Ligule an eciliate membrane; 2.5–4.5 mm long; erose. Leaf-blades 3–7(–10.5) cm long; 1.4–5 mm wide. Leaf-blade surface scabrous; rough on both sides; glabrous. Leaf-blade margins scaberulous. Leaf-blade apex acuminate.

INFLORESCENCE Inflorescence a panicle.

Panicle contracted; linear; interrupted; 3–7(–10.5) cm long; 0.5–1.4 cm wide. Primary panicle branches 1–5(–8) in number; 0.7–2.7 cm long.

Spikelets solitary. Fertile spikelets pedicelled. Pedicels 0.5–3.5 mm long; scabrous.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 3–3.6 mm long; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes persistent; similar; reaching apex of florets, or exceeding apex of florets; thinner than fertile lemma. Lower glume oblong, or ovate; 3 mm long; 1 length of upper glume; membranous; dark green, or purple; without keels, or 1-keeled; 3 -veined. Lower glume surface asperulous. Upper glume oblong, or ovate; 3 mm long; 1 length of adjacent fertile lemma; membranous; dark green, or purple; without keels, or 1-keeled; 3 -veined. Upper glume surface asperulous.

FLORETS Fertile lemma ovate; dorsally compressed; 3 mm long; indurate; shiny; without keel; 5 -veined. Lemma apex obtuse. Palea 1 length of lemma; indurate; 2 -veined; without keels. Palea apex acute.

FLOWER Anthers 3; 2–2.5 mm long.

DISTRIBUTION Asia-temperate: western Asia.

NOTES Aveneae. Maroofi 2011.

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