Psathyrostachys narmanica

HABIT Perennial; caespitose. Butt sheaths light brown; glabrous. Culms 50–70 cm long; 2 -noded. Culm-internodes 20–25 cm long; distally glabrous. Culm-nodes glabrous. Leaf-sheaths 9–12.5 cm long. Ligule an eciliate membrane. Leaf-blades flat, or involute; 10–30 cm long; 1–2 mm wide. Leaf-blade venation prominent. Leaf-blade surface scabrous; glabrous.

INFLORESCENCE Inflorescence composed of racemes.

Racemes 1; single; linear; bilateral; 6–8.5 cm long; 6–9 mm wide. Rhachis fragile at the nodes; ciliate on margins.

Spikelets in pairs, or in threes. Fertile spikelets sessile; 2–3 in the cluster.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets elliptic; dorsally compressed; 15–16.5 mm long; falling entire; deciduous with accessory branch structures.

GLUMES Glumes collateral; similar; exceeding apex of florets; gaping. Lower glume subulate; 15–16.5 mm long; 1 length of upper glume. Lower glume surface pilose. Lower glume hairs 0.8–1 mm long. Upper glume subulate; 15–16.5 mm long. Upper glume surface pilose. Upper glume hairs 0.8–1 mm long.

FLORETS Fertile lemma lanceolate; 9.5–11 mm long; coriaceous; without keel. Lemma surface pilose. Lemma apex awned; 1 -awned. Principal lemma awn 5–7 mm long overall. Palea 11 mm long.

FLOWER Anthers 3; 4.5–6 mm long. Ovary pubescent on apex.

FRUIT Caryopsis with adherent pericarp. Hilum linear.

DISTRIBUTION Asia-temperate: western Asia.

NOTES Triticeae. Cabi & Dogan 2012.

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