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

106. Aconitum hemsleyanum E. Pritzel, Bot. Jahrb. Syst. 29: 329. 1900.

瓜叶乌头 gua ye wu tou

Caudex conical, ellipsoid-globose, or fusiform, 1.6--10 cm, to 1.6--2.8 cm in diam. Stem usually purplish, twining, branched, glabrous. Leaves long petiolate; petiole 4--10 cm, sparsely pubescent or nearly glabrous; leaf blade pentagonal or ovate-pentagonal, 6.5--12 × 8--13 cm, glabrous, base cordate or subtruncate, 3-parted; central lobe trapezoid-rhombic or ovate-rhombic; lateral lobes obliquely flabellate, unequally 2-lobed. Inflorescence terminal, 2--6(--12)-flowered; rachis and pedicels glabrous or appressed pubescent, or pedicels spreading pubescent; proximal bracts leaflike or broadly elliptic; distal bracts linear, smaller. Pedicels usually pendulous, 2.2--6 cm, with 2 bracteoles proximally or distally; bracteoles linear, 3--5 × ca. 0.5 mm, glabrous or pubescent. Sepals dark blue, abaxially glabrous or sparsely pubescent, or both surfaces pubescent; lower sepals 1.2--1.3 cm; lateral sepals suborbicular, 1.5--1.6 cm; upper sepal high galeate or cylindric-galeate, 2--2.4 cm high, clawed or indistinctly so, lower margin erect or slightly concave, 1.7--1.8 cm. Petals glabrous, or petaline lip and claw sparsely pubescent; limb ca. 1 cm × 4 mm; lip ca. 5 mm; spur incurved or circinate, 2--8 mm. Stamens glabrous; filaments 2-denticulate or entire. Carpels 5, glabrous or rarely ovary pubescent. Follicles erect, 1.2--1.5 mm; persistent style 2.5--5.5 mm. Seeds ca. 3 mm. Fl. Aug--Oct.

Forests, forest margins, scrub, mountains, grassy slopes; 1700--3500 m. W Anhui, NW Guizhou, W Henan, Hubei, N Hunan, N Jiangxi, S Shaanxi, Sichuan, Xizang, NW and W Yunnan, NW Zhejiang [Myanmar].


1 Leaves subtruncate at base, persistent style 5--5.5 mm   106d var. chingtungense
+ Leaves cordate at base, persistent style ca. 2.5 mm.   (2)
       
2 (1) Distal leaves abaxially with a globose bulbil; petaline spur ca. 1 mm   106g var. hsiae
+ Distal leaves without bulbil; petaline spur more than 1.5 mm.   (3)
       
3 (2) Bracteoles pubescent, or glabrous, sepals pubescent on both surfaces or abaxially pubescent.   (4)
+ Bracteoles and sepals abaxially glabrous.   (6)
       
4 (3) Bracteoles and sepals pubescent on both surfaces; petals glabrous; abaxial hairs on upper sepal indistinct   106h var. lasianthum
+ Bracteoles glabrous; sepals pubescent only abaxially.   (5)
       
5 (4) Petaline lip and spur sparsely pubescent, abaxial hairs on upper sepal ca. 8 mm, rachis glabrous or appressed pubescent   106i var. pilopetalum
+ Petaline lip and spur glabrous; abaxial hairs on upper sepal indistinct; rachis spreading pubescent   106k var. xizangense
       
6 (3) Petaline spur 4--8 mm, circinate.   (7)
+ Petaline spur 1.5--2 mm, incurved or circinate.   (8)
       
7 (6) Petaline spur 4--6 mm   106b var. circinatum
+ Petaline spur ca. 8 mm   106c var. elongatum
       
8 (6) Pedicels glabrous or appressed pubescent.   (9)
+ Pedicels spreading pubescent.   (10)
       
9 (8) Branchlet glabrous; spur ca. 2 mm, not circinate   106a var. hemsleyanum
+ Branchlet sparsely pubescent; spur 6--7 mm, circinate   106j var. puberulum
       
10 (8) Petals pubescent, upper sepal not clawed; cylindric-galeate, spur ca. 1.5 mm; caudex 1.6--3 cm, ca. 1.6 in diam.   106e var. atropurpureum
+ Petals glabrous, high galeate, upper sepal clawed, claw ca. 5 mm; spur ca. 6 mm; caudex 5.5--10 cm, 2.5--2.8 in diam.   106f var. unguiculatum


 

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