Phaseolus persistentus Freytag & Debouck

First published in Sida, Bot. Misc. 23: 217 (2002)
This species is accepted
The native range of this species is Guatemala. It grows primarily in the wet tropical biome.

Descriptions

Seed Collecting Guide. RBG Kew (2013-2016)

Morphology General Habit
a small climbing vine
Morphology Leaves
leaves 8-12 cm long; petiole 3-4 cm long; terminal leaflet ovate, 4-6 cm long, 3-4.5 cm wide at 1/3 from base, acute, apiculate, dark olive green, densely pubescent
Morphology Reproductive morphology Inflorescences
inflorescence stout; peduncle 2-4 cm long, rachis 0-1 cm long, of 1-2 floral nodes and 2-4 flowers; bract broadly ovate acuminate, 2 mm long; pedicel 5-7 mm long; bracteoles broadly ovate, 5-6 mm long, 3-4 mm wide, heavily 9 - nerved, acute to obtuse, glabrous, persistent
Morphology Reproductive morphology Flowers
flower colour unknown; calyx near tubular, tube 2.5 mm long, 2.5 mm diameter, upper 2 teeth united into 1 entire, the lower 3 acute, the centre one somewhat longer, slightly pubescent; standard round, entire, 6 mm long, 7 mm wide, slightly reflexed at 2 mm from base
Morphology Reproductive morphology Fruits
pod (immature) falcate, 3-4 cm long, 6-7 mm wide, narrow at base and wider at apex; beak nearly straight, 2 mm long.
Ecology
this species was found growing in cut over forest of oak with an understorey of mimosoideae, lamiaceae, compositae, and graminae. the soil was sandy and rocky from volcanic ash. other phaseolus species were found nearby. altitude collected at 1820 m
Conservation
critically endangered
Phenology
Flower (no data), fruit (december)
Distribution
known only from sacatepequez, Guatemala, on the slopes of acatenango volcano.
[SCG]

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]

Sources

  • Angiosperm Extinction Risk Predictions v1

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

  • Herbarium Catalogue Specimens

    • Digital Image © Board of Trustees, RBG Kew 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

  • Seed Collection Guides

    • Seed Collection Guides
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • World Checklist of Vascular plants (WCVP)

    • 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