What’s a dichotomous key? HelpSee list of 4 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: Barkworth (2003a).
1b. Second lemma of spikelet ± truncate at the apex, sometimes widened distally; plants annual or perennial, 1.4–6 (–10) dm tall, not stoloniferous (rarely stoloniferous in C. virgata)
2b. Plants perennial; leaf blades 2–4 mm wide; ligules 0.7–1.3 mm long; spikelets with a lower bisexual floret and an upper sterile floret, without a third floret or its rachilla segment
Show photos of: Each photo represents one species in this genus.