Poaceae
Phyllostachys

Phyllostachys flexuosa Rivière & C.Rivière

First published in Bull. Soc. Acclim. France, sér. 3, 5: 758 (1878)
This species is accepted
The native range of this species is E. Central China. It is a bamboo and grows primarily in the temperate biome.

Descriptions

Morphology General Habit
Perennial. Rhizomes elongated; leptomorph. Culms erect; 400 cm long; woody. Culm-internodes semiterete; thin-walled. Lateral branches dendroid. Leaves cauline. Ligule an eciliate membrane. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades lanceolate; 5-20 cm long; 6-18 mm wide. Leaf-blade apex acuminate.
Morphology Reproductive morphology Inflorescences
Synflorescence bractiferous; fasciculate; dense; with spathaceous subtending bracts; bracts 12-15 mm long; without axillary buds at base of spikelet; with ultimate bract subtending a compact bracteolate fascicle of spikelets; prophyllate below lateral spikelets. Fertile spikelets sessile.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 2-4 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 20 mm long; breaking up at maturity; disarticulating below each fertile floret.
Fertile
Spikelets comprising 2-4 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 20 mm long; breaking up at maturity; disarticulating below each fertile floret.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes one the lower absent or obscure; persistent; shorter than spikelet. Upper glume linear; 10 mm long; chartaceous; 1-keeled. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Fertile lemma elliptic; 15 mm long; chartaceous; without keel. Lemma apex acuminate; awned; 1 -awned. Principal lemma awn 2 mm long overall. Palea 1 length of lemma; chartaceous.
Morphology Reproductive morphology Flowers
Lodicules 3. Anthers 3. Stigmas 3.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp.
Distribution
Asia-temperate: Caucasus and China.
Reference
Bambuseae. McClure 2002.
[GB]

Sources

  • 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

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2023. 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 2023. 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