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 with 8–10 teeth

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Herb up to 30 cm high, clothed with soft whitish hairs. Corolla white Marrubium

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Shrub up to 2 m high, with very short hairs. Corolla orange to scarlet Leonotis