抚松乌头 fu song wu tou

Caudex unknown. Stem ca. 1 m, apically shortly branched, glabrous or sparsely appressed pubescent. Distal leaves shortly petiolate; petiole 0.5--3 cm; leaf blade orbicular-pentagonal, 4--9 × 4.5--11 cm, abaxially glabrous, adaxially appressed pubescent, 3-sect; central segment ovate-rhombic, apex long acuminate, pinnately lobed, lobules narrowly lanceolate to linear, 2--3 mm wide; lateral segments unequally 2-parted. Inflorescence terminal, ca. 11 cm, 7-flowered; rachis glabrous; bracts leaflike. Pedicels 3.5--8 cm, distally spreading pubescent, with 2 bracteoles below middle; bracteoles lanceolate to linear-lanceolate, 6--9 mm. Sepals purple-blue, abaxially sparsely pubescent; lower sepals ca. 1.4 cm; lateral sepals ca. 1.3 cm; upper sepal galeate, 1.5--2 cm high, clawed, 1--1.4 cm from base to beak, lower margin concave. Petals glabrous; limb ca. 4 mm; lip ca. 5 mm, 2-lobed at apex; spur incurved, ca. 1.5 mm. Stamens glabrous; filaments 2-denticulate or entire. Carpels 5, glabrous. Fl. Jul--Aug.

* Grassy slopes; ca. 900 m. Jilin (Fusong Xian).