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Descriptions

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

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

Eremochloa eriopoda

HABIT Perennial. Butt sheaths woolly. Basal innovations intravaginal; flabellate. Culms erect; 40–70 cm long; 3–4 -noded. Leaf-sheaths keeled. Ligule an eciliate membrane; 0.2–0.7 mm long. Leaf-blades conduplicate; 10–22 cm long; 2.5–4 mm wide; stiff. Leaf-blade surface glabrous. Leaf-blade apex obtuse.

INFLORESCENCE Inflorescence composed of racemes.

Racemes 1; single; arcuate; unilateral; 1.5–2.5 cm long. Rhachis fragile at the nodes; subterete; glabrous on margins. Spikelet packing crowded. Rhachis internodes linear; 1.5–2 mm long.

Spikelets ascending; in pairs. Fertile spikelets sessile; 1 in the cluster. Companion sterile spikelets pedicelled; 1 in the cluster. Pedicels linear; foliaceous; 4.5–6.5 mm long; glabrous.

STERILE SPIKELETS Companion sterile spikelets represented by barren pedicels.

FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; compressed strongly; 4–6 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus pubescent; base truncate; with central boss; attached transversely.

GLUMES Glumes dissimilar; exceeding apex of florets; firmer than fertile lemma. Lower glume ovate; 1 length of spikelet; coriaceous; 2-keeled; wingless; 7 -veined. Lower glume primary vein pectinately spinose. Lower glume surface convex. Lower glume apex obtuse, or acute. Upper glume elliptic; coriaceous; 1-keeled; winged on keel; winged below; 3 -veined. Upper glume surface puberulous; hairy below. Upper glume apex acute.

FLORETS Basal sterile florets male; with palea. Lemma of lower sterile floret elliptic; 4–4.5 mm long; hyaline; 2 -veined; ciliolate on margins; obtuse. Palea of lower sterile floret 1 length of lemma. Fertile lemma elliptic; 3–4 mm long; hyaline; without keel; 2 -veined. Lemma apex obtuse. Palea 1 length of lemma; hyaline; 0 -veined; without keels.

FLOWER Anthers 3; 2 mm long.

DISTRIBUTION Asia-tropical: Indo-China and Malesia.

NOTES Andropogoneae. CEH.

ADDITIONAL CHARACTERS Glume spines terete, 3–4mm.

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