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
- Ruscaceae
Ruscaceae
See list of 3 genera in this family-
1a. Leaves all basal (though not apparent due to sheathing nature of petioles); inflorescence a secund raceme of white flowers with drooping pedicels subtended by scarious bracts 4–10 mm long
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1b. Leaves borne on a stem [Fig. 302]; inflorescence not combining above features
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2a. Tepals evidently connate and forming a tube, 10–22 mm long; inflorescence of axillary flowers or 1- to 10 (–15)-flowered racemes; berry dark blue to black; rhizome thick and knotty, mostly 10–30 mm thick [Fig. 303]
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2b. Tepals distinct, 1.5–6 mm long; inflorescence a terminal raceme or panicle; berry initially, or ultimately becoming, red; rhizome mainly more slender, 1–14 mm thick
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Show photos of: Each photo represents one genus in this family.