GrassBase - The Online World Grass Flora

Descriptions

W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson

© Copyright The Board of Trustees, Royal Botanic Gardens, Kew.

Agropyron badamense

HABIT Perennial; caespitose. Rhizomes elongated. Culms 20–40 cm long. Lateral branches lacking. Leaf-sheath oral hairs lacking. Leaf-sheath auricles falcate. Ligule an eciliate membrane. Leaf-blades flat, or involute; 10–20 cm long; 2–3 mm wide. Leaf-blade surface scaberulous; rough adaxially. Leaf-blade margins scabrous.

INFLORESCENCE Inflorescence composed of racemes.

Racemes 1; single; linear; bilateral; 1.5–3 cm long; 6–9 mm wide. Spikelet packing broadside to rhachis. Rhachis internodes oblong; 3–4 mm long.

Spikelets ascending; solitary. Fertile spikelets sessile.

FERTILE SPIKELETS Spikelets comprising 3–4 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; compressed strongly; 9–12 mm long; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes persistent; similar; shorter than spikelet; firmer than fertile lemma. Lower glume lanceolate; 5 mm long; 0.8 length of upper glume; coriaceous; 1-keeled; keeled all along; 1 -veined. Lower glume apex attenuate; awned; 1 -awned. Lower glume awn 1–2 mm long. Upper glume lanceolate; 6 mm long; 0.8 length of adjacent fertile lemma; coriaceous; 1-keeled; keeled all along; 3 -veined. Upper glume lateral veins convergent at apex. Upper glume apex attenuate; awned; 1 -awned. Upper glume awn 1–2 mm long.

FLORETS Fertile lemma elliptic; 7 mm long; chartaceous; shiny; keeled; 5 -veined. Lemma apex acute; awned; 1 -awned. Principal lemma awn 0.5–1.5 mm long overall. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Lodicules 2. Anthers 3 mm long. Ovary pubescent on apex.

FRUIT Caryopsis with adherent pericarp.

DISTRIBUTION Asia-temperate: Soviet Middle Asia.

NOTES Triticeae. Fl Iran 1993.

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