Sporobolus camporum

HABIT Perennial; caespitose. Culms erect; 50–100 cm long. Leaf-sheaths smooth; glabrous on surface. Ligule a fringe of hairs. Leaf-blades involute; 10–30 cm long; 2–4 mm wide. Leaf-blade surface glabrous. Leaf-blade margins scabrous; ciliate; hairy at base.

INFLORESCENCE Inflorescence a panicle.

Panicle open; lanceolate; 20–26 cm long; contracted about primary branches. Primary panicle branches ascending; whorled at most nodes; 3–7 cm long. Panicle branches capillary.

Spikelets solitary. Fertile spikelets pedicelled. Pedicels 0.5–1 mm long.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets elliptic; subterete; 2.5–4 mm long; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes deciduous; reaching apex of florets. Lower glume elliptic; 0.33–0.5 length of upper glume; membranous; purple; without keels. Lower glume apex acute. Upper glume oblong; 2.5–4 mm long; 1 length of adjacent fertile lemma; membranous; purple; without keels. Upper glume apex acuminate.

FLORETS Fertile lemma elliptic; 2.5–4 mm long; membranous; purple; without keel; 1 -veined. Lemma apex acute. Palea 2 -veined. Palea keels approximate.

FLOWER Anthers 2; 2 mm long.

FRUIT Caryopsis with free soft pericarp; 2 mm long.

DISTRIBUTION South America: Brazil.

NOTES Eragrostideae. Swallen 2000.

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