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

126. Aconitum cannabifolium Franchet ex Finet & Gagnepain, Bull. Soc. Bot. France. 51: 503. 1904.

大麻叶乌头 da ma ye wu tou

Caudex unknown. Stem twining, apically branched, retrorse pubescent or becoming glabrous. Distal leaves slightly long petiolate; petiole 2.5--6 cm, sparsely retrorse pubescent or nearly glabrous; leaf blade pentagonal, 6.8--10 × 9--11 cm, herbaceous, both surfaces nearly glabrous or adaxially sparsely pubescent, 3-sect; segments long stipitate, slender; central segment lanceolate or oblong-lanceolate, margin densely triangular-dentate, apex acuminate; lateral segments shortly stipitate or sessile, unequally 2-parted usually to base. Inflorescence 3--6-flowered; rachis and pedicels spreading puberulent; bracts linear, small. Pedicels 1.5--3.2 cm, proximally with 2 bracteoles; bracteoles subulate, 2--3 mm. Sepals greenish purple, abaxially pubescent; lower sepals 1--1.1 cm; lateral sepals 1.4--1.6 cm; upper sepal high galeate, 2.1--2.3 cm high, shortly beaked, lower margin slightly concave, 1.4--1.6 cm. Petals glabrous; lip ca. 1.5 mm; spur incurved, ca. 3.5 mm. Stamens glabrous; filaments entire. Carpels 3, sparsely pubescent. Follicles erect, ca. 1.5 cm. Seeds ca. 3.5 mm. Fl. Aug--Sep.

* Forests, by streams; 1300--2000 m. W Hubei, S Shaanxi, NE Sichuan.


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