What’s a dichotomous key?
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- Group 1Lycophytes, Monilophytes
- Group 2Gymnosperms
- Group 3Monocots
- Group 4Woody angiosperms with opposite or whorled leaves
- Group 5Woody angiosperms with alternate leaves
- Group 6Herbaceous angiosperms with inferior ovaries
- Group 7Herbaceous angiosperms with superior ovaries and zygomorphic flowers
- Group 8Herbaceous angiosperms with superior ovaries, actinomorphic flowers, and 2 or more distinct carpels
- Group 9Herbaceous angiosperms with superior ovaries, actinomorphic flowers, connate petals, and a solitary carpel or 2 or more connate carpels
- Group 10Herbaceous angiosperms with superior ovaries, actinomorphic flowers, distinct petals or the petals lacking, and 2 or more connate carpels
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- Dichotomous Key
- Fabaceae
- Phaseolus
Phaseolus
See list of 3 species in this genus-
1a. Inflorescence with a slender, flexuous axis; legumes 3–6 cm long; plants perennial
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1b. Inflorescence with a stout, relatively straight axis; legumes 8–30 cm long; plants annual
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2a. Corolla 15–20 mm long, red or bright purple (rarely light purple); inflorescence usually exserted beyond the subtending leaves; plants twining
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2b. Corolla 10–15 mm long, pink-purple to nearly white; inflorescence often not exceeding the subtending leaves; plants upright or twining
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Show photos of: Each photo represents one species in this genus.