GrassBase - The Online World Grass Flora

Descriptions

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

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

Sphaerocaryum

HABIT Annual. Culms prostrate; 7–30 cm long; rooting from lower nodes. Ligule a fringe of hairs. Leaf-blades ovate. Leaf-blade venation with obscure cross veins.

INFLORESCENCE Inflorescence a panicle.

Panicle open.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets elliptic; subterete; 0.7–1.2 mm long; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes deciduous; reaching apex of florets. Lower glume ovate; hyaline; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume surface without pits. Lower glume apex obtuse. Upper glume ovate; 1 length of adjacent fertile lemma; hyaline; without keels; 1 -veined. Upper glume apex obtuse.

FLORETS Fertile lemma ovate; hyaline; without keel; wingless; 1 -veined. Lemma surface unwrinkled; without grooves; pubescent. Lemma apex obtuse. Palea 1 length of lemma; hyaline; 3 -veined; without keels. Palea surface pubescent.

FLOWER Anthers 3.

DISTRIBUTION Temperate Asia, or Tropical Asia.

Please cite this publication as detailed in How to Cite Version: 27th January 2014.