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FOC | Family List | FOC Vol. 6 | Ranunculaceae | Aconitum

148. Aconitum tschangbaischanense S. H. Li & Y. H. Huang, Fl. Pl. Herb. Chin. Bor.-Orient. 3: 229. 1975.

长白乌头 chang bai wu tou

Aconitum villosum Reichenbach subsp. tschangbaischanense (S. X. Li & Y. H. Huang) S. X. Li.

Caudex obconical, 2.5--3.5 cm, 6--7 mm in diam. Stem 85--140 cm, basally glabrescent, apically sparsely retrorse pubescent, with leaves equally arranged along stem. Proximal cauline leaves withered at anthesis, middle ones slightly long petiolate; petiole 4--9 cm, glabrous; leaf blade reniform-pentagonal, 7--10 × 10--12 cm, abaxially glabrous, adaxially pubescent at veins, base cordate, 3-sect; central segment rhombic, apex long acuminate, pinnately parted nearly to midvein, ultimate lobes linear-lanceolate or linear, 2--4 mm wide, usually entire; lateral segments obliquely flabellate, unequally 2-parted nearly to base. Inflorescence terminal or axillary, 11--14.5 cm, 7--14-flowered; rachis retrorse pubescent; proximal bracts leaflike, distal ones linear. Pedicels 2--5.5 cm, densely spreading pubescent, with 2 bracteoles near middle or above; bracteoles linear, 5--10 × 0.5--1 mm. Sepals blue, abaxially sparsely pubescent; lower sepals ca. 0.9 cm; lateral sepals ca. 1 cm; upper sepal high galeate or galeate, 1.5--2 cm high, 1.1--1.5 cm from base to beak, lower margin slightly concave. Petals glabrous; limb ca. 1 cm × 3.5 mm; lip ca. 6 mm; spur incurved, ca. 1.5 mm. Stamens glabrous; filaments usually entire. Carpels 5, sparsely pubescent or glabrous distally.

* Grassy slopes, forest margins; 1000--1700 m. Jilin (Changbai Shan).


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