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.

Isachne dimyloides

HABIT Annual. Culms 20 cm long; rooting from lower nodes. Culm-nodes bearded. Leaf-sheaths glabrous on surface; outer margin hairy. Ligule a fringe of hairs. Leaf-blades elliptic; 2–4.5 cm long; 3–7 mm wide. Leaf-blade surface glabrous. Leaf-blade margins cartilaginous; scaberulous. Leaf-blade apex acute.

INFLORESCENCE Inflorescence a panicle.

Panicle open; ovate; 2.5 cm long; 1.5 cm wide; bearing few spikelets.

Spikelets solitary. Fertile spikelets pedicelled. Pedicels eglandular.

FERTILE SPIKELETS Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets orbicular; dorsally compressed; obtuse; 1.8–1.9 mm long; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes deciduous; similar; reaching apex of florets; thinner than fertile lemma. Lower glume oblong; 1 length of spikelet; membranous; much thinner on margins; without keels; 9–11 -veined. Lower glume apex cuspidate. Upper glume oblong; 1 length of spikelet; membranous; with hyaline margins; without keels; 9–11 -veined. Upper glume surface pilose; hairy at apex. Upper glume apex cuspidate.

FLORETS Fertile lemma elliptic, or orbicular; 1.8 mm long; coriaceous; without keel. Lemma margins involute; ciliolate. Lemma apex obtuse. Palea coriaceous; 2 -veined.

FLOWER Anthers 3; 0.75 mm long.

FRUIT Caryopsis with adherent pericarp; oblong; 1 mm long.

DISTRIBUTION Asia-tropical: India.

NOTES Isachneae. Bor 1994.

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