Everything about The Runner Bean totally explained
The
runner bean (
Phaseolus coccineus,
Fabaceae) is often called the
scarlet runner bean since most varieties have red
flowers and multicolored
seeds, though some have white flowers and white seeds. It differs from the
common bean in several respects: the
cotyledons stay in the ground during
germination, and the plant is a
perennial with tuberous
roots (though it's usually treated as an annual).
The green pods are edible whole but in some varieties (the scarlet runner) tend to become fibrous early, and only the seeds within are eaten. The seeds can be used fresh or as dried beans. The starchy roots are still eaten by Central American Indians. The scarlet runner is widely grown for its attractive flowers by people who would never think of eating it.
Runner beans contain traces of a poisonous
lectin Phytohaemagglutinin and hence must be thoroughly cooked before consumption.
This species originated from the mountains of
Central America.
Phaseolus coccineus subsp. darwinianus is a cultivated subspecies of
P. coccineus, it's commonly referred to as the Botil bean in
Mexico.
Varieties
- Scarlet Runner
- Aztec Half-Runner, also called "Potato bean"
- White Dutch Runner
- Case Knife
- Black Runner
- Painted Lady
- Hammond's Dwarf
- Lady Di
- Pickwick Dwarf
- Riley
- Scarlet Emperor
- Sun Bright
- White Lady
- Wisley Magic
Further Information
Get more info on 'Runner Bean'.
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