Bambusa procera A.Chev. & A.Camus

First published in Bull. Mus. Natl. Hist. Nat. 28: 379 (1922)
This species is accepted
The native range of this species is Cambodia to S. Vietnam. It is a bamboo and grows primarily in the wet tropical biome.

Descriptions

Morphology General Habit
Perennial; caespitose. Rhizomes elongated; pachymorph. Culms erect; 800-1200 cm long; woody; without nodal roots. Culm-internodes terete; thin-walled; brown. Lateral branches dendroid. Branch complement many. Leaves cauline. Leaf-sheaths glabrous on surface. Leaf-sheath oral hairs ciliate. Ligule a ciliate membrane. Collar with external ligule. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades lanceolate; 21-25 cm long; 40-50 mm wide. Leaf-blade venation with 24 secondary veins; with obscure cross veins. Leaf-blade surface glabrous. Leaf-blade margins scabrous. Leaf-blade apex acuminate.
Morphology Reproductive morphology Inflorescences
Synflorescence bractiferous; clustered at the nodes; in untidy tufts; 50-150 cm long; dense; with glumaceous subtending bracts; with axillary buds at base of spikelet; prophyllate below lateral spikelets; leafless between clusters.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 3-4 fertile florets; with diminished florets at the apex. Spikelets oblong; straight, or curved; laterally compressed; compressed slightly; 15-30 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite.
Fertile
Spikelets comprising 3-4 fertile florets; with diminished florets at the apex. Spikelets oblong; straight, or curved; laterally compressed; compressed slightly; 15-30 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes several; 2-3 empty glumes; shiny. Upper glume ovate; 5 mm long. Upper glume margins ciliolate.
Morphology Reproductive morphology Flowers Florets
Fertile lemma ovate; 9-10 mm long; without keel. Lemma margins ciliate. Palea obovate; 9 mm long; 16 -veined. Palea keels eciliate, or ciliolate; adorned above. Apical sterile florets resembling fertile though underdeveloped.
Morphology Reproductive morphology Flowers
Lodicules 3; membranous; ciliate. Anthers 6; 8 mm long; yellow. Stigmas 3. Ovary umbonate; pubescent on apex.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp; obovoid; 6 mm long; glabrous, or hairy at apex.
Distribution
Asia-tropical: Indo-China.
Reference
Bambuseae. Lecomte 1996.
[GB]

Sources

  • GrassBase - The Online World Grass Flora

    • http://creativecommons.org/licenses/by-nc-sa/3.0
  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2022. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2022 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0
  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2022. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2022 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0