GrassBase - The Online World Grass Flora


W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson

© Copyright The Board of Trustees, Royal Botanic Gardens, Kew.

Neurachne lanigera

HABIT Perennial; caespitose. Rhizomes short. Butt sheaths pilose. Culms erect; 15–25 cm long; 5–10 -noded. Culm-nodes bearded. Leaf-sheaths mostly shorter than adjacent culm internode; smooth; pilose; outer margin hairy. Ligule a fringe of hairs; 0.5–0.9 mm long. Collar pilose. Leaf-blades filiform; involute; 2–12 cm long; 1–2 mm wide; stiff. Leaf-blade midrib indistinct. Leaf-blade surface smooth, or scabrous; pilose. Leaf-blade margins smooth, or scabrous.

INFLORESCENCE Inflorescence a panicle.

Panicle spiciform; oblong; 1.5–3 cm long. Primary panicle branches accrescent to a central axis; with lateral stumps on axis. Panicle axis with rounded ribs; scabrous; glabrous.

Spikelets solitary. Fertile spikelets pedicelled. Pedicels oblong; 0.15–0.5 mm long; scabrous; glabrous, or pubescent; tip discoid.

FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 10–12 mm long; falling entire. Spikelet callus bearded; base obtuse; attached transversely.

GLUMES Glumes dissimilar; exceeding apex of florets; firmer than fertile lemma. Lower glume lanceolate; 10–12 mm long; 1 length of spikelet; cartilaginous; much thinner on margins; without keels; 5(–7) -veined. Lower glume lateral veins ribbed. Lower glume surface puberulous and setose. Lower glume apex acuminate; muticous, or mucronate. Upper glume lanceolate; 10–12 mm long; 1 length of spikelet; cartilaginous; with membranous margins; 7 -veined. Upper glume lateral veins ribbed. Upper glume surface puberulous and setose; hairy below. Upper glume margins ciliate. Upper glume apex acuminate; muticous, or awned; 1 -awned. Upper glume awn 0–2 mm long.

FLORETS Basal sterile florets barren; without significant palea. Lemma of lower sterile floret lanceolate; 6.5–7.8 mm long; 0.6–0.8 length of spikelet; chartaceous; 7 -veined; smooth, or scabrous; rough on veins; pubescent and setose; ciliate on margins; acute. Fertile lemma lanceolate; 6.5–7.8 mm long; hyaline; without keel; 5 -veined. Lemma apex acute. Palea hyaline; without keels.

FLOWER Anthers 3; 3.6–4.8 mm long.

DISTRIBUTION Australasia: Australia.

NOTES Paniceae. Webster.

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