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.

Sinochasea

HABIT Perennial. Rhizomes short. Culms erect; 34.2–58.5 cm long. Ligule an eciliate membrane.

INFLORESCENCE Inflorescence a panicle.

Panicle contracted.

Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 10–12 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pilose.

GLUMES Glumes persistent; exceeding apex of florets; thinner than fertile lemma; gaping. Lower glume lanceolate; 1 length of upper glume; herbaceous; 1-keeled; 5 -veined. Lower glume surface without pits. Lower glume apex acuminate. Upper glume lanceolate; 1.4–1.5 length of adjacent fertile lemma; herbaceous; with hyaline margins; 1-keeled; 5 -veined. Upper glume apex acuminate.

FLORETS Fertile lemma oblong; chartaceous; without keel; wingless; 5 -veined. Lemma surface unwrinkled; without grooves; villous. Lemma apex lobed; 2 -fid; incised 0.3 of lemma length; awned; 1 -awned. Principal lemma awn from a sinus; geniculate. Palea 0.8 length of lemma; 2 -veined; without keels. Palea surface villous. Palea apex dentate.

FLOWER Lodicules 2, or 3; membranous; acuminate. Anthers 3. Stigmas 3. Ovary glabrous.

FRUIT Hilum linear.

DISTRIBUTION Temperate Asia, or Tropical Asia.

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