兴安圆叶堇菜 xing an yuan ye jin cai

Herbs perennial, acaulescent, 6-10 cm high. Rhizome 2-3 cm, oblique or vertical, rather sturdy, at top with remants of leaves and covered with rootlets. Leaves basal, few, 1-2 cm at anthesis; petiole ca. 2 × as long as blade, slightly winged; leaf blade orbicular-cordate, both surfaces glabrous, margin obscurely crenate, apex obtuse or rarely acute; leaves of fruiting plant 3-5 × 3-5 cm, deeply cordate; stipules small, green but subsequently turning brown, ca. 1/2 adnate to petiole, margin sparsely fimbriate. Flowers white or light violet, ca. 8 mm; pedicel slightly exceeding leaves at anthesis. Sepals ovate-lanceolate, 3-4 mm, sparsely denticulate; sepal appendages short, apex rounded. Petals oblong-obovate; lateral petals bearded, lower one shorter than others, lilac-striate; spur short, slightly exceeding sepal appendages. Style geniculate at base, flattened on top. Capsule with dark brown dots, 6-10 mm. Fl. May-Jun, fr. Jul-Sep. 2n = 20.

Larix forests, river banks; 500-900 m. Heilongjiang, Jilin, Nei Mongol [Mongolia, Russia].