Rhizocephalus Boiss.
  • Diagn. Pl. Orient. 5: 68 (1844) 

General Description

HABIT Annual. Culms 0.5-2 cm long. Ligule an eciliate membrane. INFLORESCENCE Inflorescence a panicle; subtended by an inflated leaf-sheath; embraced at base by subtending leaf. Panicle capitate. Spikelets solitary. Fertile spikelets pedicelled. Pedicels oblong. FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 3.5-6.5 mm long; breaking up at maturity; disarticulating below each fertile floret. GLUMES Glumes connate along margins below; persistent; shorter than spikelet. Lower glume obovate; 1 length of upper glume; coriaceous; 1-keeled; 3 -veined. Lower glume surface pubescent. Lower glume apex cuspidate. Upper glume obovate; 0.6-0.7 length of adjacent fertile lemma; coriaceous; 1-keeled; 3 -veined. Upper glume surface pubescent; with clavate hairs. Upper glume apex cuspidate. FLORETS Fertile lemma oblong; coriaceous; much thinner on margins; keeled; 5 -veined. Lemma surface scaberulous; pubescent; with clavate hairs. Lemma apex attenuate; awned; 1 -awned. Palea 0.8 length of lemma; 2 -veined. FLOWER Lodicules absent. Anthers 2. Ovary glabrous. FRUIT Caryopsis with adherent pericarp; ellipsoid; trigonous; apex rostrate. Embryo 0.25-0.33 length of caryopsis. Hilum punctiform. DISTRIBUTION Temperate Asia.


  • 1 Govaerts, R.H.A. (2011). World checklist of selected plant families published update. Facilitated by the Trustees of the Royal Botanic Gardens, Kew.

 Information From

GrassBase - The Online World Grass Flora
Clayton, W.D., Vorontsova, M.S., Harman, K.T. and Williamson, H. (2006 onwards). GrassBase - The Online World Grass Flora. http://www.kew.org/data/grasses-db.html. [accessed 24 January 2012; 14:30 GMT]
  • A © Copyright The Board of Trustees, Royal Botanic Gardens, Kew.
eMonocot. (2010, 1st November). Retrieved Wednesday, 8th February, 2012, from http://e-monocot.org.
  • B Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
World Checklist of Selected Plant Families
WCSP 2014. 'World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; http://apps.kew.org/wcsp/ Retrieved 2011 onwards
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