Panicum loreum

HABIT Perennial; caespitose; clumped densely. Rhizomes short. Culms erect; 100–200 cm long. Leaves without demarcation between sheath and blade. Ligule absent. Leaf-blades 30–60 cm long; 5–12 mm wide; glaucous. Leaf-blade surface scabrous; glabrous; hairless except near base. Leaf-blade margins glabrous, or ciliate.

INFLORESCENCE Inflorescence a panicle.

Panicle open; ovate, or pyramidal; 16–22 cm long.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; dorsally compressed; 1.5–2 mm long; falling entire.

GLUMES Glumes reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 0.33–0.5 length of spikelet; membranous; without keels; 3 -veined. Lower glume apex acute. Upper glume ovate; 1 length of spikelet; membranous; without keels; 3–5 -veined. Upper glume apex acute.

FLORETS Basal sterile florets barren. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous; 3–5 -veined; acute. Fertile lemma elliptic; dorsally compressed; 1.5–2 mm long; indurate; without keel. Lemma margins involute. Palea involute; indurate.

FRUIT Caryopsis with adherent pericarp.

DISTRIBUTION South America: Brazil.

NOTES Paniceae. Renvoize 1995.

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