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: Magrath and Freudenstein (2002).
1b. Labellum with a lateral lobe or tooth on each side [Fig. 162]; lateral sepals spreading to down-curved; plants flowering mid-May through late-August
2a. Labellum (3.5–) 4–9 mm long, white spotted with red-purple (rarely pure white) [Fig. 162]; sepals and lateral petals with 3 (–5) nerves; spur present, though inconspicuous; stem commonly purple to brown; plants flowering in early July through late August; raceme with (6–) 10–30 (–41) flowers
Show photos of: Each photo represents one species in this genus.