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
- Poaceae
- Poaceae Group 3
- Aira
Aira
See list of 2 species in this genus-
1a. Panicle narrow, dense, spike-like, with appressed branches, 0.3–0.7 cm wide [Fig. 183]; stems scabrous below the nodes; pedicels mostly shorter than the spikelets
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1b. Panicle open, with ascending branches, 1.5–10 cm wide; stems smooth; pedicels mostly 1–2 times longer than the spikelets
Show photos of: Each photo represents one species in this genus.