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Descriptions

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

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

Panicum pseudoracemosum

HABIT Annual. Culms erect; 30–70 cm long. Ligule a ciliate membrane. Leaf-blade base amplexicaul. Leaf-blades ovate; 3–6 cm long; 8–17 mm wide. Leaf-blade surface pilose. Leaf-blade apex acute.

INFLORESCENCE Inflorescence a panicle.

Panicle open; oblong, or ovate; 6–10 cm long. Primary panicle branches ascending; simple.

Spikelets solitary. Fertile spikelets pedicelled.

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

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

FLORETS Basal sterile florets male; with palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous; 5 -veined; acute. Fertile lemma oblong; dorsally compressed; 1–1.5 mm long; indurate; pallid; without keel. Lemma surface papillose. Lemma margins involute. Lemma apex obtuse. Palea involute; indurate. Palea surface papillose.

DISTRIBUTION Africa: southern tropical.

NOTES Paniceae. FZ.

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