Dictamnus hairy-fruited

Family Rutaceae. Siberia, the Far East, East Asia. In meadows on the bottoms of gullies and ravines, sometimes in meadow steppes and in black-birch forests.

Large perennial erect plants 80 cm tall or more. Stems almost glabrous or glabrous in the lower part, above sparsely covered with spreading hairs, in the inflorescence additionally set with dark warty glands with a short apical point. Leaves large, odd-pinnate. Leaflets 3-5 pairs, 2-8 cm long, 1-4 cm wide, oblong, tapering to an acuminate tip, finely serrate at the margin, more or less hairy beneath, less often glabrous. The leaf rachis is distinctly winged. Inflorescence terminal, racemose or panicle-like-racemose, up to 35 cm long; its branches along their entire length densely covered with spreading simple hairs and, additionally, with warty glandular structures borne on short thick stalks, especially abundant in the upper part of the inflorescence. Flowers up to 4 cm long, somewhat irregular. Sepals 5-6 mm long, lanceolate, shortly hairy. Petals 2-3.5 cm long, lilac, lanceolate, narrowed into a more or less long and narrow claw. Filaments of the stamens about 3 cm long, from the base to the middle or somewhat above covered with spreading hairs, glabrous at the tip, set with thick warty glands. Styles spreading-hairy. Capsules on a thick pedicel 1-4 mm long, with 4-5 lobes. Lobes at the apex on the outer side with straight or curved horns 4-7 mm long; on the inner side the horns very short, straight.