Alhagi Gagnebin

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 : 191

73. Alhagi Gagnebin 1

Spiny shrubs, the spines formed from short, axillary branches which bear scale leaves and the flowers. Leaves simple; stipules minute, free. Flowers solitary or paired. Calyx campanulate, with 5 equal teeth; corolla pink, red or purple; keel curved upwards at the apex, obtuse; stamens diadelphous. Legume linear, indéhiscent, strongly contracted between the 1-5 seeds.

Leaves glabrous; calyx-teeth not more than 0-5 mm, very shortly triangular, much wider than long 1. pseudalhagi

Leaves densely pubescent; calyx-teeth 0-5 mm or more, triangular- ovate, about as long as wide 2. graecorum