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
- Berberidaceae
Berberidaceae
See list of 4 genera in this family-
1b. Plants herbaceous, without spines; perianth white to pink or green-yellow, green-purple, purple, or purple-brown (rarely yellow)
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2a. Perianth 4-merous; leaves pinnately compound with (2–) 9 leaflets that are asymmetrically cordate at the base; inflorescence a raceme or panicle
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2b. Perianth 5- to 9-merous [Fig. 480]; leaves palmately lobed or pinnately compound and then with leaflets that are cuneate, rounded, or truncate at the base (sometimes asymmetrically so); inflorescence a solitary flower or cyme
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3a. Leaf blades lobed, the basal ones peltate; inflorescence a solitary flower; perianth white or pink; anthers dehiscing by longitudinal slits; ovary maturing as a berry
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3b. Leaf blades 2–4 times pinnately compound, basifixed to the petioles; inflorescence a cyme; perianth green-yellow, green-purple, purple, or purple-brown (rarely yellow); anthers dehiscing by uplifting valves; ovary ruptured by the 2 enlarging seeds, the stalked, blue seeds ripening fully exposed
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Show photos of: Each photo represents one genus in this family.