Dendrocalamus detinens (R.Parker) H.B.Naithani & Bennet

First published in Indian Forester 117: 68 (1991)
This species is accepted
The native range of this species is Myanmar. It is a bamboo and grows primarily in the wet tropical biome.

Descriptions

Morphology General Habit
Perennial; caespitose. Rhizomes short; pachymorph. Culms scandent; 2000-3000 cm long; woody. Culm-internodes terete; 60 cm long; distally mealy, or glabrous. Lateral branches dendroid. Culm-sheaths deciduous; 15 cm long. Leaf-sheaths striately veined; glabrous on surface. Ligule an eciliate membrane; 3-5 mm long; glabrous on abaxial surface; truncate. Leaf-blade base cuneate; with a brief petiole-like connection to sheath. Leaf-blades lanceolate, or oblong; 20-30 cm long; 40-60 mm wide; mid-green and glaucous; discolorous with last colour beneath. Leaf-blade venation with 18-20 secondary veins. Leaf-blade surface scaberulous; rough abaxially; glabrous. Leaf-blade apex acuminate.
Morphology Reproductive morphology Inflorescences
Synflorescence bractiferous; clustered at the nodes; in globose clusters; 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; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 7-8 mm long; breaking up at maturity; disarticulating below each fertile floret.
Fertile
Spikelets comprising 1-2 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 7-8 mm long; breaking up at maturity; disarticulating below each fertile floret.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes two; persistent; similar; shorter than spikelet. Upper glume lanceolate; 4-6 mm long; chartaceous; 9-15 -veined. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Fertile lemma ovate; 5-7 mm long; chartaceous; without keel. Lemma apex acuminate. Palea 7 mm long; chartaceous; 2 -veined; 2-keeled but the uppermost without keels. Palea surface puberulous; hairy on back and on margins. Apical sterile florets barren.
Morphology Reproductive morphology Flowers
Lodicules 2, or 3; ciliate. Anthers 6; 4 mm long. Stigmas 1. Ovary umbonate; pubescent on apex.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp; oblong; 6 mm long; hairy at apex.
Distribution
Asia-tropical: Indo-China.
Reference
Bambuseae. Gr Burma 1997.
[GB]

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: threatened. Confidence: confident
[AERP]

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