Dendrocalamus hirtellus Ridl.

First published in J. Straits Branch Roy. Asiat. Soc. 73: 146 (1916)
This species is accepted
The native range of this species is Peninsula Malaysia. It is a bamboo and grows primarily in the wet tropical biome.

Descriptions

Extinction risk predictions for the world's flowering plants to support their conservation (2024). Bachman, S.P., Brown, M.J.M., Leão, T.C.C., Lughadha, E.N., Walker, B.E. https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.19592

Conservation
Predicted extinction risk: not threatened. Confidence: low confidence
[AERP]

Morphology General Habit
Perennial; caespitose. Rhizomes short; pachymorph. Culms erect; drooping at the tip; 1000-1500 cm long; woody. Culm-internodes terete; distally pruinose. Lateral branches dendroid. Culm-sheaths deciduous; yellow and green; glabrous, or pubescent; with tawny hairs; auriculate; with 3 mm high auricles; setose on shoulders; shoulders with straight hairs; shoulders with 20-25 mm long hairs. Culm-sheath ligule dentate. Culm-sheath blade narrowly ovate to ovate; 18 cm long; 25 mm wide; acuminate. Leaf-sheaths glabrous on surface, or pubescent. Leaf-sheath oral hairs setose; 10-15 mm long. Ligule an eciliate membrane; 1-2 mm long; erose. Leaf-blade base cuneate, or broadly rounded; with a brief petiole-like connection to sheath; petiole 1 cm long. Leaf-blades lanceolate; 20-40 cm long; 30-60 mm wide. Leaf-blade surface pubescent; densely hairy; hairy abaxially. Leaf-blade apex acuminate.
Morphology Reproductive morphology Inflorescences
Synflorescence bractiferous; clustered at the nodes; in globose clusters; 2.5 cm long; dense; with glumaceous subtending bracts; with axillary buds at base of spikelet; prophyllate below lateral spikelets; leafless between clusters. Fertile spikelets sessile.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1-2 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 8-9 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes suppressed between florets.
Fertile
Spikelets comprising 1-2 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 8-9 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes suppressed between florets.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes several; 2 empty glumes; persistent; similar; shorter than spikelet. Upper glume 7 mm long.
Morphology Reproductive morphology Flowers Florets
Fertile lemma ovate; 7.5 mm long; chartaceous; without keel. Lemma apex acuminate. Palea chartaceous; 4-7 -veined; without keels, or 2-keeled but the uppermost without keels. Palea keels eciliate.
Morphology Reproductive morphology Flowers
Lodicules absent. Anthers 6; 4 mm long; anther tip smooth. Filaments free, or united in a tube. Stigmas 1; pubescent. Ovary umbonate; pubescent on apex.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp.
Distribution
Asia-tropical: Malesia.
Reference
Bambuseae. Holttum 1995.
[GB]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0
  • GrassBase - The Online World Grass Flora

    • Clayton, W.D., Vorontsova, M.S., Harman, K.T. and Williamson, H. (2006 onwards). 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 Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 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 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0