Arecaceae
Chrysalidocarpus

Chrysalidocarpus nauseosus (Jum. & H.Perrier) Eiserhardt & W.J.Baker

First published in Taxon 71: 1184 (2022)
This species is accepted
The native range of this species is SE. Madagascar. It is a tree and grows primarily in the seasonally dry tropical biome.

Descriptions

Vernacular
Rahoma, Mangidibe (Antaisaka, means very bitter), Laafa (general palm name).
General Description
Solitary palm. TRUNK 7.5-15 m, 20-25 cm diam., with a basal swelling 47-58 cm diam.; internodes 10-23 cm, pale brown, nodal scars c. 3 cm; wood medium soft, white or pink. LEAVES small triangular part, ciliolate; staminodes six, flat, up to 0.7 mm high. Young FRUIT fleshy; mature fruit not seen. SEED ellipsoid with slightly asymmetrical pointed base and rounded apex, 15-16 x 12-14 mm, with a very adherent endocarp, close-fitting, appearing fibrous at base but more distally so anastomosing that it seems a smooth coat with a few pits; sub-basal depression of 3 mm diam.; endosperm ruminate, the intrusions many, wavy and irregular, 2-6 mm deep.
Distribution
Known only from the coastal parts of Fianarantsoa Province.
Biology
Eastern forest, possibly rather dry; 50-200 m.
Conservation
Critical. Only known from two recent collections, both from areas where the forest is being cut down at a rapid rate. Less than twenty trees are known to exist.
[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: threatened. Confidence: confident
[AERP]

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/38548/2876297

Conservation
CR - critically endangered
[IUCN]

Uses

Use
Wood used for roofing beams, outer wood used for floorplanks. Palm-heart bitter, said to be poisonous.
[PW]

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.

  • 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 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