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
- Trisetum
Trisetum
See list of 2 species in this genusReference: Rumely (2007).
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1a. Inflorescence 3–10 cm tall, dense and spike-like; anthers 0.6–1.4 mm long; leaf blades 1–3 (–4) mm wide
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1b. Inflorescence 8–15 cm tall, congested, but not at all spike-like; anthers 1.5–2.5 mm long; leaf blades 2–6 mm wide
Show photos of: Each photo represents one species in this genus.