Pseudostachyum Munro
  • Trans. Linn. Soc. London 26: 141 (1868) 


General Description

HABIT Perennial. Rhizomes elongated; pachymorph. Culms erect, or leaning; 1500-2000 cm long; woody. Culm-internodes terete. Lateral branches dendroid. Culm-sheaths auriculate. Culm-sheath blade triangular; as wide as sheath at base. Ligule an eciliate membrane. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades lanceolate, or oblong. Leaf-blade venation with distinct cross veins. INFLORESCENCE Synflorescence bractiferous; paniculate; with glumaceous subtending bracts; with axillary buds at base of spikelet. Fertile spikelets sessile. FERTILE SPIKELETS Spikelets comprising 1-3 basal sterile florets; 1 fertile florets; with a barren rhachilla extension. Spikelets ovate; laterally compressed; 4.15-6 mm long; breaking up at maturity; disarticulating below each fertile floret. GLUMES Glumes one the lower absent or obscure; persistent; shorter than spikelet. Upper glume ovate; chartaceous; without keels; 7 -veined. Upper glume apex acute; mucronate. FLORETS Fertile lemma ovate; chartaceous; without keel. Lemma margins ciliate. Lemma apex acute. Palea tightly convolute around flower; chartaceous. Palea keels ciliate. FLOWER Lodicules 3, or several; ciliate. Anthers 6. Stigmas 2; pubescent. Ovary with a steeple-like appendage; glabrous. FRUIT Caryopsis with free brittle pericarp; orbicular. DISTRIBUTION Temperate Asia, or Tropical Asia.

  Bibliography

  • 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
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
  • C See http://kew.org/about-kew/website-information/legal-notices/index.htm You may use data on these Terms and Conditions and on further condition that: The data is not used for commercial purposes; You may copy and retain data solely for scholarly, educational or research purposes; You may not publish our data, except for small extracts provided for illustrative purposes and duly acknowledged; You acknowledge the source of the data by the words "With the permission of the Trustees of the Royal Botanic Gardens, Kew" in a position which is reasonably prominent in view of your use of the data; Any other use of data or any other content from this website may only be made with our prior written agreement.