Erect annual or biennial herb up to 50 cm, glabrous or slightly scabrous, often with some spreading-erect branches from the base; tendrils absent. Leaves deeply pedately 3-7 (-9)-lobed, the lobes elliptic to linear, (0,5-) 1-8 cm, obtuse to acute-acuminate, margin remote- to densely dentate-mucronate (serrate) up to 1,5 mm; leaf-base subcordate to long-cuneate, de-current in the alate petiole 0,2-1,5 cm. Stipules 2-6 mm; false stipules foliaceous, asymmetriÂcal, 0,5-2 cm, acute-acuminate, mucronate. Inflorescences 1- or 2-flowered; peduncle up to 2 cm; bracts 2—4 mm. Flowers glabrous; stipe 1,5-3,5 mm; hypanthium 1-2 mm wide. Sepals 2,5-4,5 mm, with (2-) 3-keeled or winged green nerves. Petals 2-4,5 mm. Outer corona-tube (0,5-) 0,7-1,3 mm, threads (0,5-) 0,7-1 mm. Disc 0,1-0,2 mm. Inner corona cup-shaped, 0,3-0,8 mm. Stamens 5; filaments 1-1,5 mm; anthers 0,5-1 mm. Ovary 0,5-1,5 mm; styles free, 0,6-2,3 mm. Fruit subsessile, (0,7-) 1 cm, containing 1 seed c. 7 mm. Fig. 38: 4.
