Carum L.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1981, Flora Europaea. Volume 2. Rosaceae to Umbelliferae, Cambridge University Press : 354

71. Carum L. 1

Leaves 2- to 4-pinnate. Sepals very small or absent. Petals whitish, rarely pink or yellowish, obovate, emarginate; apex inflexed. Fruit obovoid-oblong, laterally compressed. Ridges filiform, prominent or almost winged; vittae solitary and wide, or 2-3 and narrow.

1 Leaf-segments diminishing markedly in size from about the middle of the leaf downwards 3. verticillatum 1 Lowest pair of leaf-segments the largest or, rarely, the lower 1-3 pairs smaller than the rest 2 Lowest leaf-segments at least twice as long as wide 3 Rays erecto-patent after flowering; bracteoles few or 0, c. | as long as the longer pedicels 1. carvi 3 Outer rays almost horizontal after flowering; bracteoles 4-8, c. i as long as the pedicels 2. multiflorum 2 Lowest leaf-segments about as long as wide 4 Stems erect; styles longer than stylopodium 4. rigidulum 4 Stems decumbent; styles not longer than stylopodium 5. heldreichii