Hordeum aegiceras

HABIT Annual. Culms erect; 40–80 cm long. Leaf-sheath oral hairs lacking. Leaf-sheath auricles falcate. Ligule an eciliate membrane. Leaf-blades 10–20 cm long; 11–25 mm wide. Leaf-blade margins scaberulous. Leaf-blade apex acuminate.

INFLORESCENCE Inflorescence composed of racemes.

Racemes 1; single; linear, or oblong; bilateral; 6–8 cm long; 10–15(–20) mm wide. Rhachis tough; flattened; ciliate on margins. Spikelet packing broadside to rhachis; regular; 6 -rowed. Rhachis internodes cuneate.

Spikelets in threes. Fertile spikelets sessile; 3 in the cluster.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; 8–12 mm long; persistent on plant.

GLUMES Glumes collateral; similar; shorter than spikelet; gaping. Lower glume linear; 6–7 mm long; 1 length of upper glume; coriaceous. Lower glume surface hispidulous. Lower glume apex acuminate; awned; 1 -awned. Lower glume awn 7–10 mm long. Upper glume linear; 7–10 mm long; 0.6–0.8 length of adjacent fertile lemma; coriaceous. Upper glume surface hispidulous. Upper glume apex acuminate; awned; 1 -awned. Upper glume awn 7–10 mm long.

FLORETS Fertile lemma elliptic; 8–12 mm long; coriaceous; without keel; 5 -veined. Lemma surface scaberulous; rough above. Lemma apex dentate; 3 -fid; with a trilobate appendage (on middle lobe).

FLOWER Anthers 3. Ovary pubescent on apex.

FRUIT Caryopsis with adherent pericarp; sulcate on hilar side; hairy at apex. Hilum linear.

DISTRIBUTION Asia-temperate: Soviet Middle Asia, China, and Mongolia. Asia-tropical: India.

NOTES Triticeae. Fl Iran.

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