Poaceae
Drepanostachyum

Drepanostachyum ampullare (T.P.Yi) Demoly

First published in Bambou Bull. A. E. B., Sect. France 46: 7 (2005)
This species is accepted
The native range of this species is Tibet. It is a bamboo and grows primarily in the temperate 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: threatened. Confidence: confident
[AERP]

Morphology General Habit
Perennial; caespitose. Rhizomes short; pachymorph. Culms erect; 200-540 cm long; 7-15 mm diam.; woody; 26-34 -noded. Culm-internodes terete; thick-walled; 20-25 cm long; distally mealy. Lateral branches dendroid. Bud complement 12-20. Branch complement many; in an irregular line (2 rows); thinner than stem. Culm-sheaths tardily deciduous; 12-20 cm long; 3.5 times as long as wide; coriaceous; hispid; with dark brown hairs; without auricles; glabrous on shoulders. Culm-sheath ligule 1.5-4 mm high; dentate. Culm-sheath blade lanceolate; reflexed; 0.6-6 cm long; 1.5-2.5 mm wide; glabrous on surface. Leaves 3-5 per branch. Leaf-sheaths 2.7-5 cm long; glabrous on surface. Leaf-sheath oral hairs ciliate; dark. Leaf-sheath auricles falcate. Ligule an eciliate membrane; 1 mm long; brown; truncate. Leaf-blade base cuneate; with a brief petiole-like connection to sheath; petiole 0.1 cm long. Leaf-blades lanceolate; 5-11 cm long; 6-10 mm wide; chartaceous. Leaf-blade venation with 4-6 secondary veins; without cross veins. Leaf-blade surface glabrous. Leaf-blade margins scabrous. Leaf-blade apex acuminate.
Morphology Reproductive morphology Inflorescences
Flowering specimens unknown.
Distribution
Asia-temperate: China.
Reference
Bambuseae. Yi 2002.
[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

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2025. 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 2025. 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