Bambusa hainanensis L.C.Chia & H.L.Fung

First published in Acta Phytotax. Sin. 18: 213 (1980)
This species is accepted
The native range of this species is Hainan. It is a bamboo and grows primarily in the wet tropical biome.

Descriptions

Morphology General Habit
Perennial; caespitose. Rhizomes short; pachymorph. Culms scandent; woody. Culm-internodes terete; thin-walled. Lateral branches dendroid. Leaves cauline. Leaf-sheaths keeled; striately veined; glabrous on surface; outer margin glabrous. Leaf-sheath oral hairs lacking. Leaf-sheath auricles absent. Ligule a ciliolate membrane; pubescent on abaxial surface. Collar with external ligule. Leaf-blade base with a brief petiole-like connection to sheath; petiole glabrous. Leaf-blades lanceolate; 16-25 cm long; 19-32 mm wide. Leaf-blade venation without cross veins. Leaf-blade surface glabrous, or pilose; hairy abaxially. Leaf-blade apex acuminate.
Morphology Reproductive morphology Inflorescences
Synflorescence bractiferous; clustered at the nodes; in untidy tufts; with axillary buds at base of spikelet; prophyllate below lateral spikelets.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 2-3 fertile florets; with diminished florets at the apex. Spikelets lanceolate; subterete; 12-14 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite.
Fertile
Spikelets comprising 2-3 fertile florets; with diminished florets at the apex. Spikelets lanceolate; subterete; 12-14 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes one the lower absent or obscure, or two.
Morphology Reproductive morphology Flowers Florets
Fertile lemma ovate; 10 mm long; purple; keeled; keeled above. Lemma surface glabrous. Lemma apex obtuse. Palea keels ciliolate. Apical sterile florets resembling fertile though underdeveloped.
Morphology Reproductive morphology Flowers
Lodicules 3; membranous. Anthers 6. Stigmas 3.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp.
Distribution
Asia-temperate: China.
Reference
Bambuseae. McClure 2002.
[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