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