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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.
Rhynchoryza
HABIT Perennial. Culms 200–300 cm long. Leaf-sheath auricles erect. Ligule an eciliate membrane.
INFLORESCENCE Inflorescence a panicle.
Panicle open.
Spikelets solitary. Fertile spikelets pedicelled. Pedicels cuneate.
FERTILE SPIKELETS Spikelets comprising 2 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 17–20 mm long; falling entire.
GLUMES Glumes both absent or obscure.
FLORETS Basal sterile florets barren; without significant palea. Lemma of lower sterile floret ovate; membranous; 1 -veined; cuspidate. Fertile lemma elliptic; indurate; keeled; wingless; 5 -veined. Lemma lateral veins ribbed. Lemma surface scaberulous; unwrinkled; without grooves. Lemma margins involute. Lemma apex rostrate; with a conical beak; awned. Palea 1 length of lemma; indurate; 3 -veined; without keels.
FLOWER Lodicules 2. Anthers 6.
FRUIT Caryopsis with adherent pericarp.
DISTRIBUTION South America.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.