Lycium L.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1972, Flora Europaea. Volume 3. Diapensiacea to Myoporaceae, Cambridge: Cambridge University Press : 193-194

2. Lycium L. 3

Usually spiny shrubs. Leaves alternate or in clusters, simple, entire, shortly petiolate. Flowers solitary or in small clusters, axillary, pedicellate. Calyx cupuliform, regularly 5-dentate, or 2-lipped with 2-3 teeth connate. Corolla infundibuliform or subcylindrical. Stamens inserted in throat of corolla-tube. Stigma shallowly 2-lobed. Fruit a berry.

Literature: N. Feinbrun & W. T. Steam, Israel Jour. Bot. 12: 114-123 (1964). N. Feinbrun, Collect. Bot. (Barcelona) 7: 359- 379 (1968).

1 Leaves usually widest at or below the middle, the larger at least

10 mm wide; corolla-lobes about as long as or slightly longer than the tube

2 Corolla-tubenarrowlycylindricalat baseforc. 2 -5-3 mm; leaves usually widest at the middle 4. barbarum

2 Corolla-tubenarrowlycylindricalat baseforc. 1 - 5 mm; leaves usually widest below the middle 5. chinense

1 Leaves 0-5-10 mm wide, usually widest above the middle;

corolla-lobes not more than j as long as the tube 3 Calyx 5-7 mm; corolla 20-22 mm 6. afrum 3 Calyx 1-5-4 mm; corolla 8-18 mm 4 Stamens included 5 Leaves 20-50 mm; calyx 2-3 mm; corolla 11-13 mm

1. europaeum 5 Leaves 3-15 mm; calyx 1-5-2 mm; corolla 13-18 mm

2. intricatimi 4 Stamens exserted 6 Leaves 0-5-1-5 mm wide; filaments puberulent at base;

fruit black 3. ruthenicum 6 Leaves 3-10 mm wide; filaments glabrous; fruit reddish

1. europaeum