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Chinese Plant Names | Family List | Ranunculaceae | Aconitum

102. Aconitum japonicum subsp. napiforme Thunberg, Rev. Aconitum E. Asia. 179. 1987.

萝卜乌头 luo bo wu tou

Description from Flora of China

Aconitum napiforme H. Léveillé & Vaniot, Repert. Spec. Nov. Regni Veg. 5: 9. 1908.

Caudex obovoidal, 3--8 cm, 1--3 cm in diam. Stem 15--150 cm, 3--10-branched, sparsely retrorse pubescent, with leaves equally arranged along stem. Proximal cauline leaves withered at anthesis, middle ones with petiole 2--8 cm, sparsely retrorse pubescent; leaf blade pentagonal, 4--14 × 4.5--16 cm, membranous to leathery, both surfaces sparsely retrorse pubescent, base cordate, ternate; central segment rhombic to ovate-rhombic, subpinnately divided or lobed; lateral segments obliquely flabellate, unequally 2-parted, apex acuminate. Inflorescence terminal, racemose to corymbose, 2--8-flowered; rachis and pedicels retrorse pubescent; proximal bracts 3-fid, others oblong or linear. Proximal pedicels 3--10 cm, with 2 bracteoles medially at pedicels; bracteoles linear to lanceolate, 3--10 × 0.5--3 mm. Sepals purple-blue, abaxially sparsely retrorse pubescent; lower sepals oblong, 1--1.9 cm; lateral sepals 1.3--2.3 cm; upper sepal galeate, 2--2.8 cm high, long beaked, lower margin 1.4--2.3 cm. Petals glabrous; limb 3--6 mm wide; lip 2--4 mm; spur incurved to subcircinate, 2--4 mm. Stamens glabrous; filaments 2-denticulate. Carpels 3--5, glabrous or sparsely to densely retrorse pubescent. Follicles erect, 0.8--1.3 cm. Seeds ca. 2 mm. Fl. Aug--Oct. 2n = 32.

Forests, forest margins, by streams; 500--1500 m. Liaoning [Japan, Korea].


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