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Descriptions

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

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

Pholiurus

HABIT Annual. Culms erect, or geniculately ascending, or decumbent; 10–30 cm long. Ligule an eciliate membrane.

INFLORESCENCE Inflorescence composed of racemes.

Racemes single; bilateral. Rhachis flattened. Spikelet packing broadside to rhachis.

Spikelets appressed; solitary. Fertile spikelets sessile.

FERTILE SPIKELETS Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 6–7 mm long; falling entire. Rhachilla internodes definite.

GLUMES Glumes collateral; exceeding apex of florets; firmer than fertile lemma. Lower glume lanceolate; 1 length of upper glume; coriaceous; without keels; 7 -veined. Lower glume lateral veins ribbed. Lower glume surface without pits. Lower glume apex obtuse. Upper glume lanceolate; 1.2 length of adjacent fertile lemma; coriaceous; without keels; 7 -veined. Upper glume lateral veins ribbed. Upper glume apex obtuse.

FLORETS Fertile lemma lanceolate; membranous; without keel; wingless; 3 -veined. Lemma lateral veins extending close to apex. Lemma surface unwrinkled; without grooves; puberulous. Lemma apex acute. Palea 0.7–0.8 length of lemma.

FLOWER Anthers 3.

DISTRIBUTION Europe, or Temperate Asia, or Australasia.

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