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
- Ericaceae
- Gaylussacia
Gaylussacia
See list of 3 species in this genusReference: Sorrie and Weakley (2007).
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1a. Leaf blades, bracts, sepals, and pedicels with stipitate glands [Fig. 612]; corolla white, sometimes tinged with pink; plants 2–5 dm tall; fruit stipitate-glandular; leaf blades lustrous on the adaxial surface
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1b. Leaf blades, bracts, sepals, and pedicels with resin dots; corolla orange to red or green-yellow; plants 3–20 dm tall; fruit glabrous; leaf blades relatively dull on the adaxial surface
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2a. Leaf blades with resin dots on both surfaces; corolla largely orange to red; inflorescence a short, compact, somewhat secund raceme usually not exceeding the leaves; pedicels commonly shorter than 7 mm; berry black, not glaucous
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2b. Leaf blades with resin dots on only the abaxial surface; corolla green-yellow; inflorescence a lax, open raceme commonly exceeding the leaves; pedicels 10–25 mm long; berry dark blue, thinly glaucous
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Show photos of: Each photo represents one species in this genus.