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.

Triodia inaequiloba

HABIT Perennial; caespitose; clumped densely. Culms 50–90 cm long. Leaf-sheaths without keel; glabrous on surface, or woolly. Leaf-sheath oral hairs woolly; 5 mm long. Ligule a fringe of hairs. Leaf-blades aciculate; conduplicate; stiff; light green. Leaf-blade venation without layer of subepidermal sclerenchyma masking vein striation. Leaf-blade apex pungent.

INFLORESCENCE Inflorescence a panicle.

Panicle open; lanceolate, or ovate; 10–15 cm long. Panicle branches pubescent in axils.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 4–6 fertile florets; with diminished florets at the apex. Spikelets ovate; laterally compressed; 7–9 mm long; 4–5 mm wide; breaking up at maturity; disarticulating below each fertile floret. Floret callus pubescent.

GLUMES Glumes persistent; similar; shorter than spikelet; thinner than fertile lemma. Lower glume ovate; 5–6 mm long; 1 length of upper glume; chartaceous, or scarious; without keels; 3 -veined. Lower glume surface asperulous. Lower glume apex acute; mucronate. Upper glume ovate; 5–6 mm long; 0.8–0.9 length of adjacent fertile lemma; chartaceous, or scarious; without keels; 3 -veined. Upper glume surface asperulous. Upper glume apex acute; mucronate.

FLORETS Fertile lemma ovate; 6–6.5 mm long; chartaceous; without keel; 9 -veined. Lemma lateral veins in close groups (of 3). Lemma surface pubescent; hairy below. Lemma margins ciliate; hairy below. Lemma apex lobed; 3 -fid; with outer lobes shorter; with linear lobes; incised 0.25 of lemma length; acute. Palea elliptic; 5–5.5 mm long. Palea keels winged; narrowly winged; ciliolate; adorned above. Palea surface smooth, or scaberulous. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Anthers 3.

DISTRIBUTION Australasia: Australia.

NOTES Eragrostideae. Burbidge 1993.

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