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.

Pseudozoysia

HABIT Perennial. Culms 8–15 cm long. Ligule a fringe of hairs.

INFLORESCENCE Inflorescence composed of racemes; subtended by an inflated leaf-sheath; embraced at base by subtending leaf.

Racemes borne along a central axis; in a multilateral false spike; oblong; bearing few fertile spikelets; bearing 2 fertile spikelets on each. Rhachis obsolete; deciduous from axis.

Spikelets in pairs. Fertile spikelets sessile; 2 in the cluster; the upper smaller.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 2.075–3 mm long; falling entire; deciduous with accessory branch structures.

GLUMES Glumes exceeding apex of florets; firmer than fertile lemma. Lower glume ovate; 1 length of upper glume; indurate; without keels. Lower glume surface muricate; without pits. Lower glume apex acute. Upper glume oblong; gibbous; indurate; without keels. Upper glume surface tuberculate. Upper glume apex acute.

FLORETS Fertile lemma oblong; hyaline; without keel; wingless; 1 -veined. Lemma surface unwrinkled; without grooves. Lemma apex obtuse. Palea 0.5 length of lemma; hyaline. Palea keels ciliolate.

FLOWER Anthers 3.

DISTRIBUTION Africa.

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