Arecaceae
Chrysalidocarpus

Chrysalidocarpus canescens Jum. & H.Perrier

First published in Ann. Mus. Colon. Marseille, sér. 3, 1: 38 (1913)
This species is accepted
The native range of this species is NW. Madagascar. It is a shrub or tree and grows primarily in the seasonally dry tropical biome.

Descriptions

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/38525/2872101

Conservation
DD - data deficient
[IUCN]

Conservation
Presumed extinct; not seen for more than fifty years.
Vernacular
Not recorded.
Distribution
NW Madagascar, only known from the type.
General Description
DESCRIPTION FROM LITERATURE: TRUNK 4-8m, straight, ringed, < 10 cm diam., base somewhat thickened in a cone. LEAVES 8-12, ascending; sheath glabrous, membranous, without ligule; petiole absent; rachis c. 2 m long; leaflets regular, recurved, 3.5-4 cm distant, proximal 60-65 x 0.6-0.7 cm, median 75-80 x 1.5 cm, some brownish ramenta on the midrib, adaxially white-mealy when young. INFLORESCENCE at most branched to 2 orders; peduncle 60 cm; prophyll borne at 13 cm above the base of the peduncle, 40 cm long, split only at apex; peduncular bract deciduous, inserted at 30 cm above the base of the peduncle, 45 cm long, conical at the apex, split along its length; rachillae often with paired or solitary staminate flowers due to abortion of the pistillate ones. STAMINATE FLOWERS with keeled and slightly spurred sepals, glabrous, ovate, obtuse, 2 x 2 mm; petals ovate, acute, 3 x 2.2 mm; filaments c. 1.3 mm; ovary rudiment cylindrical, 1.8 mm, about aslong as the stamens. PISTILLATE FLOWERS unknown. FRUIT unknown.
Biology
Forest on sandstone; c. 40 m.
[PW]

Uses

Use
Not recorded.
[PW]

Sources

  • 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