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
- Boraginaceae
- Anchusa
Anchusa
See list of 3 species in this genus-
1a. Corolla zygomorphic, the basal tube bent; mericarps obliquely oriented in life, 1–2 mm tall; plants annual
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1b. Corolla actinomorphic, the basal tube straight; mericarps obliquely oriented or erect in life, 2–9 mm tall; plants perennial
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2a. Mericarps erect, longer than wide, (6–)7–10 × 2–3 mm; bracts subtending flowers with a narrow-lanceolate blade; calyx 6–8(–10) mm long in flower, up to 18 mm long in fruit, the lobes linear to narrow-lanceolate
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2b. Mericarps obliquely oriented, wider than long, ca. 2 × 4 mm; bracts subtending flowers with an ovate to oblong blade; calyx 5–7 mm long in flower, up to 10 mm long in fruit, the lobes narrow-triangular to lanceolate
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Show photos of: Each photo represents one species in this genus.