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FOC | Family List | FOC Vol. 17 | Lamiaceae | Coleus

1. Coleus forskohlii (Willdenow) Briquet, Nat. Pflanzenfam. 4(3a): 359. 1897.

毛喉鞘蕊花 mao hou qiao rui hua

Plectranthus forskohlii Willdenow, Sp. Pl. 3: 169. 1800; Coleus barbatus (Andrews) Bentham; P. barbatus Andrews.

Herbs erect or ascending. Stems robust, ca. 40 cm, branched, spreading villous, densely so at apex. Petiole ca. 1.5 cm or less; leaf blade ovate, 7.5-13 × 4.5-7 cm, densely tomentose-villous, base abruptly attenuate, margin crenate, ± succulent, apex obtuse to acute. Racemes to 11 cm, verticillasters 6-flowered; bracts sessile, broadly ovate, membranous, margin ciliate, apex caudate-acute, sparsely glandular and puberulent outside, deciduous in flower. Calyx campanulate, ca. 6 mm, densely villous, throat closed by villous hairs in fruit; teeth subulate-lanceolate, posterior tooth cordate, apex acute, lateral teeth shorter. Corolla purple-blue, 1.2-1.5 cm, sparsely glandular outside, recurved, throat dilated, upper lip unequally 4-lobed; lower lip oblong, concave. Stamens nearly exserted or included; filaments connate forming a sheath for ca. 1/2 its length. Nutlets globose, flattened. Fl. Sep.

Slopes; ca. 2300 m. Yunnan (Dongchuan) [Bhutan, India, Nepal, Sri Lanka; Africa].


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