Runner Bean
Scientific name: Phaseolus coccineus L.
Diagnostic features Perennial with tuberous roots but rarely surviving winter, with climbing stem to 5m. Flowers up to 20, bright red, rarely white; cotyledons subterranean.
Chromosome number: (2n=22).
Habitat Introduced-casual.
Distribution Much grown as vegetable and casual as for Phaseolus vulgaris; tropical America.
This species is keyed out on Page 3042: Phaseolus in the Text Key. |