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

14. Mahonia fortunei (Lindley) Fedde, Bot. Jahrb. Syst. 31: 130. 1901.

十大功劳 shi da gong lao

Berberis fortunei Lindley, J. Roy. Hort. Soc. 1: 231. 1846; B. fortunei var. szechuanica (Ahrendt) Laferrière; Mahonia fortunei var. szechuanica Ahrendt.

Shrubs, 0.5-2(-4) m tall. Leaves abaxially pale yellowish green, occasionally slightly glaucous, adaxially dull to deep green, obovate to obovate-elliptic, 10-28 × 8-18 cm; leaflets 2-5 pairs, lowest pair similar to others, 2-9 cm above base of petiole, abaxial veins branched, raised, adaxial veins indistinct; rachis 1-2 mm in diam.; internodes 1.5-4 cm, slightly decreasing in length apically; leaflets sessile or subsessile, narrowly lanceolate to narrowly elliptic, 4.5-14 × 0.9-2.5 cm, base cuneate, margin with 5-10 spinose teeth on each side, apex acute. Inflorescence 4-10-fascicled racemes, 3-7 cm; bracts of inflorescence lanceolate to triangular-ovate, 5-20 × 3-5 mm. Pedicel 2-2.5 mm; floral bracts ovate, 1.5-2.5 × 1-1.2 mm, apically acute. Sepals yellow; outer sepals ovate to triangular-ovate, 1.5-3 × ca. 1.5 mm; median sepals oblong-elliptic, 3.8-5 × 2-3 mm; inner sepals oblong-elliptic, 4-5.5 × 2.1-2.5 mm. Petals yellow, oblong, 3.5-4 × 1.5-2 mm, base with distinct glands, apex emarginate, lobes acute. Stamens 2-2.5 mm; anther connective not prolonged, truncate. Ovary 1.1-2 mm; ovules 2; style absent. Berry purplish blue, pruinose, globose, 4-6 mm in diam. Fl. Jun-Sep, fr. Sep-Nov. 2n = 28*.

● Forests, scrub thickets, roadsides, along streams, margins of cultivated fields; 300-2000 m. Chongqing, NE Guangxi, Guizhou, Hubei, Hunan, Jiangxi, Sichuan, Taiwan, Zhejiang.

This species is widely cultivated in China and also cultivated in Indonesia, Japan, and the United States.

Dippel (Handb. Laubholzk. 3: 109. 1893) included the name "Mahonia fortunei Hort." in synonymy but within the treatment of this plant as Berberis, not Mahonia.


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