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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 stapfianum
HABIT Perennial; caespitose. Culms erect; 20–90 cm long. Culm-nodes glabrous. Leaves mostly basal. Leaf-sheaths ribbed. Ligule a ciliate membrane. Leaf-blades flat, or involute; 20–40 cm long; 2–5 mm wide. Leaf-blade surface papillose; rough adaxially.
INFLORESCENCE Inflorescence a panicle.
Panicle open; ovate; 4–30(–40) cm long.
Spikelets solitary. Fertile spikelets pedicelled.
FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; obtuse to acuminate; 3 mm long; falling entire.
GLUMES Glumes reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 0.5–0.66 length of spikelet; membranous; without keels; 5 -veined. Lower glume apex acute. Upper glume elliptic; 1 length of spikelet; membranous; without keels; 7–9 -veined. Upper glume apex acute.
FLORETS Basal sterile florets male; with palea. Lemma of lower sterile floret similar to upper glume; elliptic; 1 length of spikelet; membranous; 7–9 -veined; acute. Palea of lower sterile floret 1 length of lemma. Fertile lemma elliptic; dorsally compressed; 2.5 mm long; indurate; yellow, or grey; without keel. Lemma margins involute. Lemma apex acute. Palea involute; indurate.
FLOWER Anthers 3.
FRUIT Caryopsis with adherent pericarp.
DISTRIBUTION Africa: southern tropical and south.
NOTES Paniceae. Gr S Afr 1993.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.