敦化乌头 dun hua wu tou

Caudex unknown. Stem more than 80 cm, apically slightly S-curved, fork-branched, glabrous. Cauline leaves with petiole 2--5 cm; leaf blade suborbicular, 3--12 × 5--14 cm, abaxially glabrous, adaxially sparsely appressed pubescent at veins, 3-sect; central segment rhombic, 5--6 cm wide, subduplicato-pinnatifid, ultimate lobes narrowly triangular, 2--4 mm wide, apex acuminate; lateral segments obliquely flabellate, unequally 2-parted near base. Inflorescence many flowered. Pedicel 5--8.5 cm, proximally glabrous, distally spreading pubescent, proximally with 2 bracteoles; bracteoles narrowly spatulate-oblanceolate, 4--8 × 1--3 mm. Sepals blue-purple, abaxially sparsely pubescent; lower sepals ca. 1 cm; lateral sepals ca. 1.2 cm; upper sepal high galeate, ca. 2 cm, ca. 1.5 cm from base to beak. Petals glabrous; limb 3--4 mm wide; lip 2-lobed at apex; spur incurved, headlike. Stamens glabrous; filaments entire. Carpels (4 or)5, sparsely pubescent. Fl. Aug.

* Grassy slopes. Jilin (Dunhua Xian).