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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.
Eulalia brevifolia
HABIT Perennial. Cataphylls evident. Culms erect; 50–70 cm long; rooting from lower nodes. Culm-internodes smooth; distally glabrous. Leaf-sheaths glabrous on surface. Ligule an eciliate membrane; 0.5 mm long; obtuse. Leaf-blade base cordate. Leaf-blades lanceolate; 3–8 cm long; 5–7 mm wide; mid-green and glaucous; discolorous with last colour beneath. Leaf-blade surface glabrous. Leaf-blade apex acuminate.
INFLORESCENCE Inflorescence composed of racemes.
Racemes 5; digitate; 5–7 cm long. Rhachis fragile at the nodes; subterete; ciliate on margins. Rhachis internodes linear; (2–)3–4(–6) mm long. Rhachis internode tip clavate.
Spikelets in pairs. Fertile spikelets sessile and pedicelled; 2 in the cluster. Pedicels linear; angular; 2 mm long; ciliate.
FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate, or oblong; dorsally compressed; 4–4.5 mm long; falling entire; deciduous from the base, or with accessory branch structures. Spikelet callus square; bearded; base obtuse; attached obliquely. Spikelet callus hairs 0.33 length of spikelet.
GLUMES Glumes dissimilar; exceeding apex of florets; firmer than fertile lemma. Lower glume lanceolate, or oblong; 1 length of spikelet; coriaceous; 2-keeled. Lower glume intercarinal veins distinct; 1 in number. Lower glume surface flat; hirsute; hairy below. Lower glume apex obtuse. Upper glume lanceolate; chartaceous; 1-keeled; 3 -veined. Upper glume primary vein ciliate. Upper glume surface pilose. Upper glume margins ciliolate. Upper glume apex obtuse; muticous.
FLORETS Basal sterile florets barren; without significant palea. Lemma of lower sterile floret lanceolate, or oblong; hyaline; ciliolate on margins; obtuse. Fertile lemma linear, or lanceolate; hyaline; without keel. Lemma margins ciliolate. Lemma apex dentate; 2 -fid; incised 0.5 of lemma length; awned; 1 -awned. Principal lemma awn from a sinus; geniculate; 6 mm long overall; with twisted column. Column of lemma awn glabrous. Palea lanceolate. Palea surface pilose; hairy on margins.
FLOWER Anthers 3; 2.5 mm long.
DISTRIBUTION Asia-temperate: China.
NOTES Andropogoneae. Keng 1996.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.
