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

129. Aconitum volubile Pallas ex Koelle, Spic. Acon. 21. 1788.

蔓乌头 wan wu tou

Caudex unknown. Stem twining, branched, glabrous or apically sparsely retrorse pubescent. Middle cauline leaves long petiolate; petiole 3.5--6 cm; leaf blade pentagonal, 7--9 × 8--10 cm, papery, abaxially glabrous or nearly so, adaxially sparsely appressed pubescent, base cordate, 3-sect; central segment usually stipitate, rhombic-ovate; lateral segments obliquely flabellate, unequally 2-fid or nearly to base. Inflorescence terminal or axillary, 3--5-flowered; rachis and pedicels densely spreading yellowish pubescent, or retrorse and appressed pubescent; basal bracts 3-fid, others linear. Pedicels 2--3.8 cm, with 2 bracteoles above middle; bracteoles linear, 2--3 mm. Sepals blue-purple, abaxially spreading pubescent, or retrorse and appressed pubescent; lower sepals 0.8--1.3 cm; lateral sepals 1--1.5 cm; upper sepal high galeate, 1.8--2.7 cm, 1--1.5 cm from base to beak, lower margin oblique upward. Petals glabrous; limb 6--10 mm; lip 3--6 mm; spur incurved, 1.5--3 mm. Stamens glabrous; filaments entire. Carpels 5, glabrous or ovary spreading pubescent. Follicles 1.5--1.7 cm. Seeds ca. 2.5 mm. Fl. Aug--Sep. 2n = 16*.

Grassy slopes, forests, forest margins; 200--1000 m. Heilongjiang, Jilin, Liaoning [Mongolia, Russia (Siberia)].

1 Pedicels densely spreading yellowish pubescent; sepals abaxially spreading pubescent; ovary spreading pubescent   129a var. volubile
+ Pedicels and sepals abaxially retrorse and appressed pubescent; ovary glabrous   129b var. pubescens


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