Arecaceae
Rhapis

Rhapis robusta Burret

First published in Notizbl. Bot. Gart. Berlin-Dahlem 13: 587 (1937)
This species is accepted
The native range of this species is China (W. Guangxi) to N. Vietnam. It is a shrub and grows primarily in the subtropical biome.

Descriptions

Biology
Habitat. Forest undergrowth.
General Description
Stem height not recorded, with sheaths to 11 mm diam., without to 6 mm. Leaf sheath fibers close together with outer coarse fibers, obscuring finer inner ones, producing a diagonal-lined mesh, ligule remaining intact at maturity; petiole to 1.2 mm wide, smooth; blade, with conspicuous palman, segments 4, folds 17–19, the longest to 218 mm, broad, sides curved, tapering at base and apex, apices oblique, with shallow secondary splitting, primary splits to within 16–37 mm of the blade base. Inflorescence, male unavailable, female branching to 2 orders; prophyll unavailable, rachis bracts 2, sometimes with a distal incomplete rachis bract, tubular, not overlapping the base of the next bract, relatively thin (papery), reddish brown, darker at the base, glabrous, tightly sheathing the rachis; rachis overall length to 220 mm, narrow, 2 mm diam., rachillae few, narrow to 0.5 mm diam., occasionally with sparse rusty tomentum. Flowers, male unavailable, female small to 1.8 × 1 mm; corolla tightly closed with a long receptacular-stalk to 0.9 mm; carpel to 1 mm long. Fruit unavailable.
Distribution
South China, Guangxi.
[PW]

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]

Sources

  • Angiosperm Extinction Risk Predictions v1

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

  • 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/

  • 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

  • Palmweb - Palms of the World Online

    • Palmweb 2011. Palmweb: Palms of the World Online. Published on the internet http://www.palmweb.org. Accessed on 21/04/2013
    • Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License http://creativecommons.org/licenses/by-nc-sa/3.0