Vegetative key to the families

Vegetative Key Vegetative key to the families

STEMS SQUARE (or quadrangular), smooth or hairy but not scabrous; leaves opposite or rarely whorled, fragrant but usually without oil dots; fruit separating into 4 articles Lamiaceae

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Calyx with 4–10 ± equal teeth

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Calyx almost equally 4–5-toothed

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Leaves in whorls of 3–4

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Perfect stamens 2; staminodes 2. Corolla white to bluish Westringia

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Perfect stamens usually 4. Corolla deep blue or purple Hemigenia