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Project Name Data (Last Modified On 9/30/2013)
 

Flora Data (Last Modified On 9/30/2013)
Species Phaseolus vulgaris L.
PlaceOfPublication Sp. P1. 723. 1753.
Note TYPE: ?India, Herb. Linnaeus (LINN 899.1, not seen; microfiche MO).
Description Climbing or trailing vine or erect herb; stems glabrous or pubescent. Leaves pinnate trifoliolate, the leaflets mostly ovate, sometimes broad, the lateral leaflets mostly oblique; glabrate to velutinous, apically acute, or acuminate, the petiolules 2-4 mm long, stout, pubescent; petioles often exceeding the terminal leaflet; stipels linear, costate, glabrous, as long as or shorter than the petiolules; stipules lanceolate, striate, glabrous. Inflorescences axillary, mostly 3-10 cm long; pe- duncle mostly slender and weak; rachis contracted; bracteoles and bracts spa- thaceous, exceeding the calyx, striate; pedicels slender. Flowers white, yellowish or purplish; calyx campanulate, the teeth rounded; standard 1-2 cm long. Legume linear, turgid, often slightly curved, glabrate, mostly 10-20 cm long; seeds sub- globose to oblong, to 1.5 cm long, variously colored.
Habit vine or erect herb
Note Phaseolus vulgaris, the well-known string bean or kidney bean in English, the frijol or the frijol negro in Spanish, is cultivated in almost every country in the world, and in some places it escapes and has naturalized. It is a native of the New World, and it was widely disseminated by pre-Colombian man. No collec- tions have been seen from Panama, but the species is grown as a crop plant, mainly in upland areas-, to judge from reports of vendors in markets and from fresh vegetables served in restaurants in Panama City from time to time. There is also a substantial import of frijoles negros from the United States and other countries for use as food. This species is distinct from other species of Phaseolus in Panama in its long turgid pods and light colored flowers. Many races of Phaseolus vulgaris exist in cultivation, many of quite different appearance, and until specimens are obtained of the Panama elements it is not fruitful to try to amplify details of the above description or to indicate more features of difference. The above description was made from a range of cultivated material from Central America held at MO.
 
 
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