Bassia All.

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 : 98

12. Bassia All. 1

Pubescent herbs. Leaves linear, flat or cylindrical, entire. Flowers hermaphrodite or female, solitary or in cymes arranged in a panicle. Perianth-segments 5, becoming enlarged in fruit and developing a spine on the back; stamens 5; stigmas 2-3. Seeds horizontal. ( Echinopsilon Moq. )

1 Leaves linear-lanceolate, flat, attenuate towards the base; spines of the perianth 1-1-5 mm 1. hyssopifolia 1 Leaves semicylindrical or filiform, rarely the lowest ± flat; spines of the perianth usually not more than 1 mm

2 Spines of perianth pubescent; stem usually procumbent or ascending 2. hirsuta 2 Spines of perianth glabrous in the upper part; stem erect

3. sedoides