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

149. Aconitum monanthum Nakai, Bot. Mag. (Tokyo). 28: 58. 1914.

高山乌头 gao shan wu tou

Caudex carrot-shaped, 1.5--2.5 cm, ca. 4 mm in diam. Stem 14--30 cm, simple or several branched, glabrous. Basal leaves 1 or 2, long petiolate; petiole 5--20 cm, base shortly sheathed; leaf blade reniform-pentagonal, 2.5--3.5 × 4--6.5 cm, both surfaces glabrous, 3-sect; central segment rhombic or broadly rhombic, dissected, ultimate lobes lanceolate-linear or narrowly lanceolate, 1.5--2 mm wide; lateral segments obliquely flabellate, unequally 2-fid nearly to base; cauline leaves 2--4, similar to basal leaves but smaller. Flower solitary, terminal, or inflorescence corymbose, 1- or 2-flowered; rachis and pedicels glabrous; bracts leaflike. Pedicels to 5 cm, with 2 bracteoles near middle; bracteoles 3-fid or linear. Sepals purple, abaxially glabrous; lower sepals 0.9--1.3 cm; lateral sepals 1--1.4 cm; upper sepal high galeate, 1.1--1.5 cm high, beak 4--5 mm, lower margin 1.2--2 cm, slightly concave. Petals glabrous; limb ca. 1 cm; lip ca. 3.5 mm, 2-lobed at apex; spur incurved, ca. 1.5 mm. Stamens glabrous; filaments entire or distally 2-denticulate. Carpels 3, glabrous. Follicles ca. 1.8 cm. Seeds ca. 3 mm. Fl. Jul--Aug.

Grassy slopes; 1200--1600 m. Jilin (Changbai Shan) [N Korea].


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