Chimonobambusa Makino
  • Bot. Mag. (Tokyo) 28: 153 (1914) 


Notes: Distribution: E. Himalaya to China and Indo-China, Taiwan, Japan

General Description

HABIT Perennial. Rhizomes absent (1), or elongated (37); leptomorph (37/37). Culms erect; 60-399.2-1400 cm long; woody; without nodal roots (8/29), or with aerial roots from the nodes (5/29), or with root thorns from the nodes (16/29). Culm-internodes terete (24), or channelled (6), or quadrangular (16). Culm-nodes constricted (1/20), or flush with internodes (9/20), or swollen (9/20), or flanged (3/20); without obvious supra-nodal ridge (2/4), or with distinct supra-nodal ridge (2/4). Lateral branches suffrutescent (2), or dendroid (36). Branch complement one (1/34), or two (2/34), or three (34/34), or several (9/34); in a horizontal line (27/27); with subequal branches (16/16); thinner than stem (13/13). Culm-sheaths persistent (12/34), or tardily deciduous (9/34), or deciduous (13/34); without auricles (28/29), or auriculate (1/29). Culm-sheath blade inconspicuous (5/36), or linear (19/36), or lanceolate (1/36), or narrowly ovate (1/36), or triangular (12/36); narrower than sheath (2/2). Leaf-sheath auricles absent (37), or falcate (1). Ligule an eciliate membrane (29), or a ciliolate membrane (8), or absent (1). Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades persistent (24), or deciduous at the ligule (14); linear (3), or lanceolate (37), or oblong (7); herbaceous (24), or chartaceous (14). Leaf-blade midrib conspicuous (2/2). Leaf-blade venation without cross veins (5), or with obscure cross veins (3), or with distinct cross veins (30). INFLORESCENCE Synflorescence bractiferous (17/17); scanty (9/17), or linear (1/17), or paniculate (5/17), or clustered at the nodes (2/17); in untidy tufts (2/2); with glumaceous subtending bracts (16/17), or spathaceous subtending bracts (2/17); without axillary buds at base of spikelet (5/17), or with axillary buds at base of spikelet (12/17); leafless between clusters (1/1). Fertile spikelets sessile (15/17), or pedicelled (2/17). FERTILE SPIKELETS Spikelets comprising 3 fertile florets (5/16), or 4 fertile florets (9/16), or 5 fertile florets (11/16), or 6 fertile florets (12/16), or 7 fertile florets (9/16), or 8-10 fertile florets (6/16), or 11-12 fertile florets (3/16); with diminished florets at the apex (17/17). Spikelets linear (16/17), or elliptic (1/17); laterally compressed (17/17); 5-31.17-80 mm long; breaking up at maturity (17/17); disarticulating below each fertile floret (17/17). GLUMES Glumes one the lower absent or obscure (1/17), or two (7/17), or several (10/17); persistent (17/17); shorter than spikelet (17/17). Lower glume lanceolate (11/15), or oblong (4/15); 1 length of upper glume; membranous (15/15); without keels (14/15), or 1-keeled (1/15); 1-3 -veined (1/4), or 5 -veined (2/4), or 7-9 -veined (1/4). Lower glume lateral veins absent (1/16), or obscure (1/16), or distinct (15/16). Lower glume surface glabrous (15/16), or puberulous (1/16). Lower glume apex obtuse (1/15), or acute (14/15). Upper glume lanceolate (11/16), or oblong (5/16); 1 length of adjacent fertile lemma; membranous (16/16); without keels (16/16); 1-3 -veined (1/8), or 5 -veined (1/8), or 7 -veined (4/8), or 8 -veined (3/8), or 9 -veined (4/8), or 10-11 -veined (3/8). Upper glume apex obtuse (1/16), or acute (15/16). FLORETS Fertile lemma lanceolate (3/17), or oblong (7/17), or ovate (10/17); membranous (5/17), or chartaceous (12/17); without keel (17/17); 3-4 -veined (1/17), or 5-6 -veined (5/17), or 7 -veined (12/17), or 8 -veined (6/17), or 9 -veined (9/17), or 10 -veined (4/17), or 11 -veined (5/17), or 12-13 -veined (2/17). Lemma surface glabrous (16/17), or puberulous (1/17), or pubescent (1/17). Lemma margins eciliate (16/17), or ciliolate (1/17). Lemma apex acute (12/17), or acuminate (1/17), or setaceously attenuate (2/17), or apiculate (2/17); muticous (15/17), or mucronate (2/17). Palea 0.6-0.9778-1.1 length of lemma; 6-7 -veined (1/3), or 8 -veined (3/3), or 9-10 -veined (2/3). Palea keels eciliate (15/17), or ciliolate (1/17), or ciliate (2/17). Palea surface glabrous (16/17), or pubescent (1/17). Palea apex entire (2/5), or dentate (5/5). Apical sterile florets resembling fertile though underdeveloped (17/17). FLOWER Lodicules 3 (17/17); membranous (11/11); glabrous (4/17), or ciliate (15/17). Anthers 3 (17/17). Stigmas 2 (16/16), or 3 (1/16). Ovary glabrous (1/1). FRUIT Caryopsis with adherent pericarp (6/17), or fleshy pericarp (11/17); ellipsoid (2/6), or oblong (4/6), or ovoid (1/6). DISTRIBUTION Temperate Asia (35), or Tropical Asia (5), or Australasia (1).

Distribution Map

 
  • Native distribution
  • Introduced distribution
Found in
  • Asia-Temperate China China North-Central
  • China South-Central
  • China Southeast
  • Tibet
  • Eastern Asia Japan
  • Taiwan
  • Asia-Tropical Indian Subcontinent Assam
  • East Himalaya
  • Indo-China Myanmar
  • Vietnam
Introduced into
  • Asia-Temperate Eastern Asia Nansei-shoto
  • Australasia New Zealand New Zealand North

Included Species

  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.