Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Macroptilium atropurpureum
conchito, chonchito, siratro, purple bushbean, atro
















Sprawling or climbing vine, stems pubescent with spreading hairs; stipules densely pubscent, striate, attenuate, about 2-3 mm long; stipels linear, 1-1.5 mm long. Inflorescences elongate, about 15-20 cm long, relatively few-flowered, flowers solitary or in pairs, corolla dark purple (Wiggins and Porter, 1971).
Domain
Eukaryota
Kingdom
Plantae
Phylum
Magnoliophyta
Class
Magnoliopsida (= Dicotyledoneae)
Order
Fabales
Family
Fabaceae
Genus
Macroptilium
Species
atropurpureum
Taxon category: Accepted
Syn.: Phaseolus atropurpureus fide Royal Botanic Gardens, Kew & Missouri Botanical Garden (2010)
Origin: Native
Map of specimen collection localities or observation records for this species in our collections database.
Distribution: The native range of this species is Mexico to W. South America and Tobago (POWO, 2023).
- Royal Botanic Gardens, Kew (2022) Plants of the world online POWO (2022): Plants of the world online. Published on the Internet; Https://powo.science.kew.org/
- Royal Botanic Gardens, Kew Missouri Botanical Garden (eds.) (2013) The Plant List, Version 1.1. Published on the Internet; http://www.theplantlist.org/ (accessed 1st January).
- Tropicos.org. (2017) Database of Missouri Botanical Garden. Tropicos.org. Missouri Botanical Garden. 06 Oct 2017 <http://www.tropicos.org
- Van der Werff, H.H. (s.a.) Pers. obs. and colls. Personal observations and collections.
- Wiggins, I.L. Porter, D.M. (1971) Flora of the Galapagos Islands Standford University Press, Stanford.
You are welcome to download and use the information found in this page, acknowledging its source.
This page should be cited as follows:
"Galapagos Species Database, Macroptilium atropurpureum", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=544. Accessed 4 May 2026.