Arecaceae
Chrysalidocarpus

Chrysalidocarpus lanceolatus Becc.

First published in Beibl. Bot. Jahrb. Syst. 87: 34 (1906)
This species is accepted
The native range of this species is Comoros. It is a tree and grows primarily in the seasonally dry tropical biome.

Descriptions

Vernacular
Ivovowo (fide Hull).
General Description
Clustering palm. STEMS 5-6 m high; nodal scars pronounced. LEAVES somewhat plumose (Hull); petiole distally 1.5-1.7 cm diam., red- dish pubescent on both surfaces, channelled; rachis 1.8-1.9 m long, in mid-leaf 1-1.6 cm wide, keeled, densely scaly or with scattered pale scales; leaflets slightly irregular (interval in mid-leaf 1.5-5 cm), proximal 38-43 x 1-2.7 cm, median 30-48 x 3.5-7 cm, distal Apr-24 x 0.7-3.8 cm, main veins 3-5, with very conspicuous thickened margins, with several large (0.5-1 cm long) pale-coloured laciniate ramenta on midrib and main veins proximally, and faint minute reddish scales in longitudinal lines on the main and minor veins on the type, but absent in modern collections, acuminate. INFLORESCENCE branched to 3 orders or more, c. 60 cm long; rachis bract (one seen) 4.5 cm long, narrowly triangular; rachillae 13-24 cm long, 1.5-3 mm diam., glabrous, with distant superficial triads. STAMINATE FLOWERS with sepals 1.2-1.4 x 1.4-1.6 mm; petals connate for 0.5 mm, free for 2.6-2.9 x 1.4-1.6 mm, spreading at full anthesis; stamens 6, uniseriate, filaments 1 (in closed flow-ers)-3 (in fully open flowers) mm long, narrowly cylindrical, anthers 1.4 x 0.5-0.6 mm; pistillode 1.6-1.7 mm high, 0.4-0.6 mm diam. PISTILLATE FLOWERS not seen. FRUIT ellipsoid, 13-17 x 06-Oct mm, with rounded apex; endocarp fibrous, with anastomizing fibres. SEED slightly obovoid with obtuse apex, (10-) 13-16 x 05-Jul mm, with homogeneous endosperm.
Distribution
Comoro Islands: Grande Comore, Moheli.
Biology
Mid-altitude rain forest; 500-1000 m.
Conservation
Unknown, but at least Vulnerable.
[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/38541/10133159

Conservation
VU - vulnerable
[IUCN]

Uses

Use
Not recorded.
[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.
    • 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 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