Arecaceae
Butia

Butia microspadix Burret

First published in Notizbl. Bot. Gart. Berlin-Dahlem 10: 1050 (1930)
This species is accepted
The native range of this species is Brazil (S. São Paulo to Paraná). It is a perennial and grows primarily in the subtropical biome.

Descriptions

Vernacular
None recorded.
General Description
Acaulescent; sheathing leaf base not seen, petiole 9-10 cm long, 0.5 cm wide, margins not spiny, merely fibrous, rachis of leaf 41-74, cm long, pinnae 19-20 On each side, regularly arranged at intervals of 1.5-3 cm, middle pinnae 20-26 cm long, 0.3-0.4 cm wide, mostly with acuminate, asymmetrical tips; expanded part of spathe 13-17 cm long, 2.5-3.5 cm wide, smooth or striate, covered with dense dark brown tomentum; branched part of spadix 11-13 cm long, rachiIlae 13-15, each 6-11 em long; pistillate flowers rounded or ovoid 4-5 mm long, 3.5 mm in diam., sepals and petals with obtuse and emarginate tips; staminate flowers 4-7 mm long, sepals unequal in size, 1-4 mm long; fruit 2 cm long, 1.1 cm in diam., beak 4 mm long, locule 1, endocarp woody, about 1 mm thick. cavity smooth within, trivittate, seed not seen.
Distribution
Brazil, mostly confined to the state of Paraná where it seems to be fairly common in grasslands; also in the state of Rio Grande do Sul, and perhaps Sao Paulo.
[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

  • 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