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

184. Aconitum pycnanthum W. T. Wang, Acta Bot. Yunnan. 6: 372. 1984.

密序乌头 mi xu wu tou

Caudex unknown. Stem ca. 1 m, apically densely retrorse and appressed pubescent. Distal leaves with petiole 1.5--2 cm; leaf blade cordate-pentagonal, 5.5--7.8 × 7--9 cm, papery, abaxially sparsely appressed pubescent at veins, adaxially sparsely appressed pubescent, base cordate, 3-sect; central segment rhombic or narrowly rhombic, apex acuminate, slightly pinnatifid; ultimate lobes broadly linear or triangular; lateral segments unequally 2-parted. Inflorescence terminal, 4--15 cm, densely 20--35-flowered; rachis and pedicels densely spreading yellowish pubescent; bracts leaflike, to 4 cm. Proximal pedicels 5--12 mm, distal ones 2--4 mm, with 2 bracteoles at middle or at base; bracteoles linear, 4--9 mm, ciliate. Sepals purple, abaxially glabrous; lower sepals oblong, ca. 7 mm; lateral sepals obliquely broadly obovate, 1.2--1.4 cm × 8.5--10 mm, adaxially sparsely villous; upper sepal navicular or navicular-galeate, 1.3--1.5 cm high, rarely clawed, with a short beak, lower margin 1.3--1.7 cm. Petals ca. 1.9 cm; claw densely villous, apex geniculate; lip ca. 4 mm, apex 2-lobed, pilose; spur slightly globose, ca. 1.7 mm, glabrous. Stamens glabrous; filaments entire or 2-denticulate. Carpels 5, glabrous. Fl. Sep.

* Grassy alpine slopes; 3900--4000 m. SW Sichuan (Muli Zang Zu Zizhixian).


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