Tetragonolobus biflorus, (Desr.) Ser. Tetragonolobus purpureus, Moench

2. T. biflorus (Desr.) Ser. View in CoL in DC., Prodr. 2: 215 (1825)

( Lotus biflorus Desr. ).

Like 1 but annual; stipules ovate-orbicular, obtuse; flowers 1-4 on each peduncle; corolla 17-25 mm, deep bright orange; legume 2 0-40x4-6 mm, pubescent. 5. Italy, Sicilia; N. W. Greece. G r It Si.

3. T. purpureus Moench View in CoL , Meth. 164 (1794)

( Lotus tetragonolobus L. ).

Pubescent annual 10-40 cm. Leaflets up to 40 x 25 mm, obovate or obovate-rhombic; stipules ovate, more or less acute. Peduncles shorter than or equalling leaves. Flowers solitary or paired. Calyx-teeth 1-2 times as long as tube; corolla 15-22 mm, crimson; style not winged at the tip. Legume 30-90x6-8 mm, glabrous; wings 2-4 mm wide. S. Europe, extending northwards to c. 41°N. in Ukraine. BI Cr *Ga G r Hs It Rs (W, K.) Sa Si [Cz Lu]. T. wiedemannii Boiss. , FI. Or. 2:176 (1872) ( Lotus wiedemannii (Boiss.) Nyman ) is an imperfectly known species from the Aegean region (Paros). It is like 3 but with leaflets c. 4 mm, emarginate (not acute to obtuse); stipules very shortly stalked (not sessile); corolla c. 10m m; and calyx-teeth obtuse (not acute), shorter than the tube.