Phaseolus dumosus, the year bean or year-long bean,[1][2] is an annual to perennial herbaceous vine in the family Fabaceae (legumes), native to a narrow region in the highlands of Guatemala.[2][3] It is one of the five Phaseolus domesticates and is similarly used for its beans.[1] It was recently found to be a hybrid between two other cultivated species of Central America, Phaseolus coccineus and P. vulgaris and displays intermediate characteristics.[2] Taxonomically, it was previously categorized as Phaseolus polyanthus and P. coccineus ssp. darwinianus.[4]
| Phaseolus dumosus | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fabales |
| Family: | Fabaceae |
| Subfamily: | Faboideae |
| Tribe: | Phaseoleae |
| Subtribe: | Phaseolinae |
| Genus: | Phaseolus |
| Species: | P. dumosus
|
| Binomial name | |
| Phaseolus dumosus | |
| Synonyms | |
| |
This species grows in humid forests and may reach 10 meters in length. It is visited by carpenter bees.[3]
References edit
- ^ a b Bitocchi, Elena; Rau, Domenico; Bellucci, Elisa; Rodriguez, Monica; Murgia, Maria L.; Gioia, Tania; Santo, Debora; Nanni, Laura; Attene, Giovanna (2017-05-08). "Beans (Phaseolus ssp.) as a Model for Understanding Crop Evolution". Frontiers in Plant Science. 8: 722. doi:10.3389/fpls.2017.00722. ISSN 1664-462X. PMC 5420584. PMID 28533789.
- ^ a b c Mina-Vargas, Angela M.; McKeown, Peter C.; Flanagan, Nicola S.; Debouck, Daniel G.; Kilian, Andrzej; Hodkinson, Trevor R.; Spillane, Charles (2016-08-06). "Origin of year-long bean (Phaseolus dumosus Macfady, Fabaceae) from reticulated hybridization events between multiple Phaseolus species". Annals of Botany. 118 (5): 957–969. doi:10.1093/aob/mcw138. ISSN 0305-7364. PMC 5055819. PMID 27497241.
- ^ a b Freytag, George F. (2002). Taxonomy, distribution, and ecology of the genus Phaseolus (Leguminosae-Papilionoideae) in North America, Mexico and Central America. Botanical Research Institute of Texas. ISBN 1889878111. OCLC 249436749.
- ^ Schmit, V.; Debouck, D. G. (July 1991). "Observations on the origin of Phaseolus polyanthus Greenman". Economic Botany. 45 (3): 345–364. doi:10.1007/bf02887077. ISSN 0013-0001. S2CID 31661991.
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