Poaceae
Pleioblastus

Pleioblastus variegatus (J.Dix) Makino

First published in J. Jap. Bot. 3: 23 (1926)
This species is accepted
The native range of this species is Central & S. Japan. It is a bamboo and grows primarily in the temperate biome. It is has environmental uses.

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: confident
[AERP]

Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

Distribution
Colombia
[CPLC]

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/44392473/44409271

Conservation
LC - least concern
[IUCN]

Distribution
Naturalised in Colombia.
Conservation
IUCN Red List Assessment (2021): LC.
[UPFC]

Morphology General Habit
Perennial. Rhizomes elongated; leptomorph. Culms zigzag; 60-120 cm long; 2-6 mm diam.; woody. Culm-internodes terete; thin-walled; 10-30 cm long; distally glabrous. Culm-nodes swollen. Lateral branches dendroid. Branch complement one, or two. Culm-sheaths convex at apex; without auricles; ciliate on shoulders. Culm-sheath blade ovate, or triangular. Leaves 3-13 per branch. Ligule an eciliate membrane, or a ciliolate membrane. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades deciduous at the ligule; lanceolate; 3-14 cm long; 4-13 mm wide; dark green and yellowish green; variegated (yellow stripes). Leaf-blade venation with distinct cross veins. Leaf-blade surface pubescent; densely hairy; hairy on both sides. Leaf-blade margins scabrous. Leaf-blade apex acuminate.
Morphology Reproductive morphology Inflorescences
Inflorescence comprising only a few spikelets. Spikelets solitary. Fertile spikelets pedicelled.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 6-7 fertile florets; with diminished florets at the apex. Spikelets linear; laterally compressed; 30 mm long; breaking up at maturity; disarticulating below each fertile floret.
Fertile
Spikelets comprising 6-7 fertile florets; with diminished florets at the apex. Spikelets linear; laterally compressed; 30 mm long; breaking up at maturity; disarticulating below each fertile floret.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes two; persistent; similar; shorter than spikelet. Lower glume lanceolate; 5 mm long; chartaceous; without keels. Lower glume apex acute. Upper glume lanceolate; chartaceous; without keels. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Fertile lemma ovate; 9-10 mm long; chartaceous; without keel. Lemma apex acuminate. Apical sterile florets resembling fertile though underdeveloped.
Morphology Reproductive morphology Flowers
Lodicules 3. Anthers 3. Stigmas 3.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp; apex unappendaged.
Distribution
Asia-temperate: China and eastern Asia. Australasia: New Zealand.
Reference
Bambuseae. Lin. 2001.
[GB]

Uses

Use Environmental
Environmental uses.
[UPFC]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0

  • Catálogo de Plantas y Líquenes de Colombia

    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • 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

    • 'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

  • IUCN Categories

    • IUCN Red List of Threatened Species
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2026. 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 2026. 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

  • Kew Science Photographs

    • Copyright applied to individual images

  • Useful Plants and Fungi of Colombia

    • http://creativecommons.org/licenses/by-nc-sa/3.0