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FOC | Family List | FOC Vol. 19 | Berberidaceae | Mahonia

11. Mahonia setosa Gagnepain, Bull. Soc. Bot. France. 55: 86. 1908.

刺齿十大功劳 ci chi shi da gong lao

Berberis setosa (Gagnepain) Laferrière.

Shrubs, ca. 1.5 m tall. Leaves abaxially pale yellowish green, becoming golden yellow when dry, adaxially dull, ca. 25 × 14 cm; leaflets 4-8 pairs, lowest pair 2.5-3.5 cm above base of petiole, abaxial veins 3, both surfaces with raised reticulate veins; rachis slender, 1-2 mm in diam.; internodes 1-2 cm; leaflets lanceolate to linear-lanceolate, 1.8-8 × 0.8-1.2 cm, thickly papery, base cuneate, margin 8-20-spinose-serrulate or setose-serrate, apex acuminate. Inflorescence 3-5-fascicled racemes, 3-5 cm; bracts of inflorescence narrowly triangular, apically acute. Pedicel slender; floral bracts lanceolate. Sepals yellow; outer sepals narrowly triangular, apex acute; median and inner sepals lanceolate, subequal. Petals yellow, scarcely shorter than inner sepals, base clawed, with distinct glands, apex slightly retuse. Stamens long; anther connective prolonged, subconical, obtuse. Ovary conical; ovules 2, stipitate. Berry unknown. Fl. Oct, fr. unknown.

● Sichuan, Yunnan.

The cuneate base and the spinose-serrulate or setose margins of the leaflets of Mahonia setosa are distinct in the genus.


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