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 restingae

HABIT Perennial. Culms erect; 100–200 cm long. Culm-internodes distally pilose. Leaf-sheaths pilose. Ligule a ciliate membrane. Leaf-blades linear, or lanceolate; flat, or involute; 40–75 cm long; 15–20 mm wide. Leaf-blade surface pubescent; densely hairy; hairy adaxially. Leaf-blade apex pungent.

INFLORESCENCE Inflorescence a panicle.

Panicle spiciform; lanceolate; 17–20 cm long; 1–1.5 cm wide.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; dorsally compressed; 4–4.5 mm long; falling entire. Rhachilla internodes elongated between glumes.

GLUMES Glumes reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 0.66 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; 4–4.5 mm long; indurate; without keel. Lemma margins involute. Lemma apex rostrate. 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.