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GrassBase - The Online World Grass Flora
Descriptions
W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson
© Copyright The Board of Trustees, Royal Botanic Gardens, Kew.
Panicum tijucae
HABIT Perennial; caespitose; clumped densely. Rhizomes short. Butt sheaths pubescent. Basal innovations flabellate. Culms erect; 50 cm long. Leaf-sheaths glabrous on surface. Ligule a ciliate membrane. Leaf-blades lanceolate; 30–40 cm long; 5–8 mm wide; stiff; glaucous. Leaf-blade apex pungent.
INFLORESCENCE Inflorescence a panicle.
Panicle open; oblong; 6–12 cm long.
Spikelets solitary. Fertile spikelets pedicelled.
FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic, or oblong; dorsally compressed; 3 mm long; falling entire.
GLUMES Glumes reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 0.5–1 length of spikelet; membranous; without keels; 3 -veined. Lower glume apex acute. Upper glume ovate; 1 length of spikelet; membranous; without keels; 5 -veined. 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 elliptic; dorsally compressed; 2.5 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.