What’s a dichotomous key? HelpSee list of 3 species in this genus
- 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
Reference: Lint and Epling (1945).
1b. Leaf blades green abaxially, the pubescence (when present) not altering the background color of the blade; calyx glabrous; petioles of middle leaves (15–) 20–50 mm long
2a. Calyx lobes 1–1.5 mm long, narrow-ovate; corolla green-yellow; inflorescence 10–15 mm thick; floral bracts broad-ovate and tipped by a short, acuminate point; stems glabrous or minutely pubescent on middle internodes; leaf blades pubescent across the surface abaxially
2b. Calyx lobes 2–2.5 mm long, narrow-triangular; corolla purple; inflorescence 15–20 mm thick; floral bracts round-ovate and tipped by an elongate, caudate-acuminate point; stems with some longer hairs on the middle internodes; leaf blades pubescent mainly on the major veins abaxially
Show photos of: Each photo represents one species in this genus.