Sporobolus nesiotioides

HABIT Perennial; caespitose; clumped densely. Rhizomes short. Culms erect; 70–90 cm long. Leaf-sheaths glabrous on surface. Leaf-sheath oral hairs ciliate; 4–5 mm long. Ligule a fringe of hairs. Leaf-blades filiform; conduplicate, or convolute; 30–60 cm long; 1.2–1.5 mm wide. Leaf-blade surface scabrous; rough adaxially. Leaf-blade margins scabrous. Leaf-blade apex acuminate.

INFLORESCENCE Inflorescence a panicle. Peduncle glabrous.

Panicle open; lanceolate; 40–80 cm long. Primary panicle branches whorled at most nodes. Panicle axis glabrous.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 3–3.5 mm long; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes deciduous; dissimilar; exceeding apex of florets. Lower glume lanceolate; 1–1.5(–2) mm long; 0.5 length of upper glume; membranous; without keels; 0 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume linear; 3–3.5 mm long; 1 length of adjacent fertile lemma; membranous; without keels; 1 -veined. Upper glume lateral veins absent. Upper glume apex acute.

FLORETS Fertile lemma ovate; 2.8–3.2 mm long; membranous; without keel; 1 -veined. Lemma apex acute. Palea 2.7–3 mm long; 1 length of lemma; 1 -veined. Palea apex obtuse.

FLOWER Anthers 1–2.

FRUIT Caryopsis ellipsoid; 1–1.3 mm long.

DISTRIBUTION South America: Brazil.

NOTES Eragrostideae. Longhi-Wagner et al 2015.

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