Cathariostachys S.Dransf.
  • Kew Bull. 53: 388 (1998) 


Notes: Distribution: Madagascar

General Description

HABIT Perennial. Rhizomes elongated; pachymorph. Culms erect, or arching (1), or leaning (1); 700-1100-1500 cm long; woody. Culm-internodes terete. Lateral branches dendroid. Branch complement several, or many; apparently arising below the node; with 1 branch dominant. Culm-sheaths persistent; auriculate (1/1). Culm-sheath blade ovate (1/1), or triangular (1/1). Leaf-sheath auricles falcate. Ligule an eciliate membrane. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades lanceolate. INFLORESCENCE Synflorescence bractiferous; globose; with glumaceous subtending bracts; without axillary buds at base of spikelet. FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 13-18.5-22 mm long; breaking up at maturity; disarticulating below each fertile floret. GLUMES Glumes several; shorter than spikelet. Lower glume ovate; 3-5 -veined (1), or 7 -veined (1). Lower glume surface glabrous, or puberulous (1). Lower glume apex setaceously attenuate. Upper glume elliptic; 7 -veined (1), or 11-13 -veined (1). Upper glume surface glabrous (1), or pubescent. Upper glume apex setaceously attenuate. FLORETS Basal sterile florets barren; without significant palea. Fertile lemma lanceolate; 13-15 -veined. Lemma surface glabrous (1), or pilose. Lemma apex attenuate. Palea tightly convolute around flower; 8 -veined (1), or 14-16 -veined (1). Palea surface pilose. Palea apex dentate. FLOWER Lodicules absent. Anthers 6. Stigmas 3. FRUIT Caryopsis with adherent pericarp; oblong (1/1). DISTRIBUTION Africa.

Distribution Map

 
  • Native distribution
Found in
  • Africa Western Indian Ocean Madagascar

  Bibliography

  • 1 Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. Continental Publishing, Deurne.

 Information From

GrassBase - The Online World Grass Flora
http://www.kew.org/data/grasses-db/
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
http://e-monocot.org
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
http://apps.kew.org/wcsp/
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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