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This species is accepted, and its native range is Indo-China.
A specimen from Kew's Herbarium

[GB]
Morphology General Habit
Perennial; caespitose. Rhizomes short; pachymorph. Culms erect; 500-600 cm long; 25-35 mm diam.; woody; without nodal roots. Culm-internodes terete; 30-60 cm long; light green, or light green and white; concolorous, or striped; striate; distally pubescent. Culm-nodes pubescent. Lateral branches dendroid. Culm-sheaths 10-15 cm long; 1 times as long as wide; yellow; glabrous, or pubescent; hairy throughout; with tawny hairs; convex at apex; without auricles. Culm-sheath blade lanceolate; reflexed; 2.5-5 cm long; 7-12 mm wide; pubescent. Leaves cauline. Leaf-sheaths striately veined; pubescent; hairs tawny. Leaf-sheath oral hairs lacking. Leaf-sheath auricles absent. Ligule an eciliate membrane. Collar with external ligule. Leaf-blade base with a brief petiole-like connection to sheath; petiole 0.5 cm long. Leaf-blades lanceolate; 15-25 cm long; 25-35 mm wide; glandular. Leaf-blade midrib conspicuous. Leaf-blade venation with 12-16 secondary veins. Leaf-blade surface scabrous; rough abaxially; glabrous. Leaf-blade margins scabrous. Leaf-blade apex acuminate; antrorsely scabrous.
Morphology Reproductive morphology Inflorescences
Synflorescence bractiferous; clustered at the nodes; in untidy tufts; with glumaceous subtending bracts; with axillary buds at base of spikelet; prophyllate below lateral spikelets; leafy between clusters.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 6-10 fertile florets; with diminished florets at the apex. Spikelets lanceolate; subterete; 25 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite; pilose; hairy at tip.
Fertile
Spikelets comprising 6-10 fertile florets; with diminished florets at the apex. Spikelets lanceolate; subterete; 25 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite; pilose; hairy at tip.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes several; 2 empty glumes; persistent; shorter than spikelet.
Morphology Reproductive morphology Flowers Florets
Fertile lemma ovate; 6-7 mm long; without keel; 20 -veined. Lemma apex acuminate. Palea 17 -veined. Palea keels ciliolate. Apical sterile florets resembling fertile though underdeveloped.
Morphology Reproductive morphology Flowers
Lodicules 3; membranous; veined; ciliate. Anthers 6. Stigmas 3. Ovary umbonate; with a few apical hairs.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp.
Distribution
Asia-tropical: Indo-China.
Reference
Bambuseae. Gamble 1995.

Native to:

Laos, Myanmar

Bambusa affinis Munro appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Brandis, D. [s.n.], Myanmar K000357913 Unknown type material

First published in Trans. Linn. Soc. London 26: 93 (1868)

Accepted by

  • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Kress, W.J., DeFilipps, R.A., Farr, E. & Kyi, D.Y.Y. (2003). A Checklist of the Trees, Shrubs, Herbs and Climbers of Myanmar Contributions from the United States National Herbarium 45: 1-590.
  • Newman, M., Ketphanh, S., Svengsuksa, B., Thomas, P., Sengdala, K., Lamxay, V. & Armstrong, K. (2007). A checklist of the vascular plants of Lao PDR: 1-394. Royal Botanic Gardens, Edinburgh.

Literature

Kew Backbone Distributions

  • Kress, W.J., DeFilipps, R.A., Farr, E. & Kyi, D.Y.Y. (2003). A Checklist of the Trees, Shrubs, Herbs and Climbers of Myanmar Contributions from the United States National Herbarium 45: 1-590.
  • Newman, M., Ketphanh, S., Svengsuksa, B., Thomas, P., Sengdala, K., Lamxay, V. & Armstrong, K. (2007). A checklist of the vascular plants of Lao PDR: 1-394. Royal Botanic Gardens, Edinburgh.

GrassBase - The Online World Grass Flora
http://creativecommons.org/licenses/by-nc-sa/3.0

Herbarium Catalogue Specimens
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0