Panicum discrepans

HABIT Perennial; caespitose. Culms rambling; 20–50 cm long. Leaf-sheaths hispid. Ligule a fringe of hairs. Leaf-blades 3–10 cm long; 2–3 mm wide. Leaf-blade surface pubescent, or hirsute.

INFLORESCENCE Inflorescence a panicle.

Panicle open; pyramidal; dense; 2.5–6 cm long; contracted about primary branches. Primary panicle branches bearing spikelets almost to the base.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; obtuse; 1.2–1.3 mm long; falling entire.

GLUMES Glumes one the lower absent or obscure; reaching apex of florets; thinner than fertile lemma. Upper glume elliptic; 1 length of spikelet; membranous; without keels; 3 -veined. Upper glume apex obtuse.

FLORETS Basal sterile florets barren; without significant palea. Lemma of lower sterile floret similar to upper glume; elliptic; 1 length of spikelet; membranous; 3 -veined; obtuse. Fertile lemma oblong; dorsally compressed; 1.2–1.3 mm long; indurate; pallid; without keel. Lemma margins involute. Lemma apex obtuse; woolly. Palea involute; indurate. Palea apex pubescent.

FLOWER Anthers 2; 0.3 mm long.

DISTRIBUTION South America: Mesoamericana, Caribbean, northern South America, and Brazil.

NOTES Paniceae. WDC.

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