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
- Cyperaceae
- Carex
- Carex Group 1
- Section Deweyanae
Section Deweyanae
See list of 2 species in this section-
1a. Perigynia 0.8–1.3 mm wide, (3.5–) 4–6.1 (–6.6) times as long as wide, with 4–8 usually prominent veins adaxially; leaf blades 1.3–3.1 mm wide
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1b. Perigynia 1.3–1.5 (–1.6) mm wide, 2.9–3.8 times as long as wide, veinless or less commonly with 1–5 obscure veins adaxially; widest leaf blades 2.4–4.2 mm wide
Show photos of: Each photo represents one species in this section.