Bambusa brevispicula Holttum

First published in Kew Bull. 21: 277 (1967)
This species is accepted
The native range of this species is New Guinea. It is a bamboo and grows primarily in the wet tropical biome.

Descriptions

Morphology General Habit
Perennial; caespitose. Rhizomes short; pachymorph. Culms woody; without nodal roots. Culm-internodes terete; thin-walled; 20 cm long; distally hispid; with reflexed hairs. Lateral branches dendroid. Branch complement three; with subequal branches. Leaves cauline. Leaf-sheath oral hairs scanty. Leaf-sheath auricles falcate; 2.5 mm long. Ligule an eciliate membrane. Collar with external ligule. Leaf-blade base broadly rounded; with a brief petiole-like connection to sheath. Leaf-blades lanceolate; 15-25 cm long; 28-50 mm wide. Leaf-blade surface glabrous. Leaf-blade apex acuminate.
Morphology Reproductive morphology Inflorescences
Synflorescence bractiferous; clustered at the nodes; in untidy tufts; 0.5-1 cm between clusters; with glumaceous subtending bracts; with axillary buds at base of spikelet; prophyllate below lateral spikelets.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 fertile florets; with diminished florets at the apex. Spikelets lanceolate; subterete; 4 mm long; breaking up at maturity; disarticulating below each fertile floret.
Fertile
Spikelets comprising 1 fertile florets; with diminished florets at the apex. Spikelets lanceolate; subterete; 4 mm long; breaking up at maturity; disarticulating below each fertile floret.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; shorter than spikelet.
Morphology Reproductive morphology Flowers Florets
Fertile lemma ovate; 3 mm long; without keel. Lemma apex acute; mucronate. Palea 4 mm long. Palea keels approximate; ciliolate. Palea apex dentate; 2 -fid. Rhachilla extension 2 mm long; pilose. Apical sterile florets 1 in number; male; elliptic; 2 mm long.
Morphology Reproductive morphology Flowers
Lodicules 3; ciliate. Anthers 6; 3 mm long; anther tip apiculate. Stigmas 3. Ovary umbonate; glabrous.
Distribution
Asia-tropical: Papuasia.
Reference
Bambuseae. Holttum 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