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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 mucronulatum

HABIT Perennial; caespitose. Culms 30–90 cm long. Leaf-sheaths hispid. Ligule a ciliate membrane. Leaf-blade base cordate. Leaf-blades 25–60 cm long; 5–15 mm wide. Leaf-blade apex acute, or acuminate.

INFLORESCENCE Inflorescence a panicle.

Panicle open; oblong, or obovate; 30–40 cm long. Primary panicle branches profusely divided.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; acute, or acuminate; 3–3.8 mm long; falling entire.

GLUMES Glumes reaching apex of florets; thinner than fertile lemma. Lower glume ovate; clasping; 0.33 length of spikelet; membranous; without keels; 7 -veined. Lower glume apex acute. Upper glume ovate; 1 length of spikelet; membranous; without keels; 9(–13) -veined. Upper glume apex acuminate.

FLORETS Basal sterile florets barren; with palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous; 9 -veined; acute. Fertile lemma elliptic; dorsally compressed; 3–3.8 mm long; indurate; pallid; shiny; without keel. Lemma margins involute. Palea involute; indurate.

FRUIT Caryopsis with adherent pericarp.

DISTRIBUTION South America: Brazil.

NOTES Paniceae. Gr Bahia 1995.

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