Nasturtium R.Br.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1964, Flora Europaea - Volume 1. Lycopodiaceae to Platanaceae, Cambridge University Press : 284

40. Nasturtium R.Br. 2

Perennial herbs; glabrous or with few unbranched hairs. Leaves pinnate to pinnatisect. Inner sepals saccate; petals white, rarely pale purplish. Fruit a siliqua; valves with weak median vein; style short; stigma capitate, slightly 2-lobed. Seeds in 1-2 rows in each loculus. Siliqua 13-18 mm; seeds in 2 rows in each loculus 1. officinale Siliqua 16-22 mm; seeds in 1 row in each loculus 2. microphyllum