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

18. Mahonia retinervis P. K. Hsiao & Y. S. Wang, Acta Phy­totax. Sin. 23: 310. 1985.

网脉十大功劳 wang mai shi da gong lao

Berberis reticulinervia (C. Y. Wu ex S. Y. Bao) Laferrière (1997), not B. reticulinervis T. S. Ying (1999); B. retinervis (P. K. Hsiao & Y. S. Wang) Laferrière (1997), not B. retinervia Triana & Planchon ex Weddell (1861); Mahonia reticulinervia C. Y. Wu ex S. Y. Bao.

Shrubs, ca. 1 m tall. Leaves abaxially pale yellowish green, adaxially dull to slightly shiny green, elliptic, 15-23 × 9-12 cm, with 3-9 pairs of leaflets, lowest pair 0.5-1.2 cm above base of petiole, abaxially with 5-7 basal veins distinctly raised, reticulate veins indistinct, adaxially with distinctly raised reticulation; rachis 1.5-2.2 mm in diam.; internodes 2-5 cm; leaflets sessile, increasing in length and width from base to apex, thickly leathery, lowest pair of leaflets ovate, 1.5-3 × 1.2-2 cm, margin 2-11-spinose-serrate on each side, those above oblong-ovate or ovate-orbicular, 6-8 × 2.8-3.7 cm, base subrounded, oblique, margin indistinctly 3-11-spinose-serrate on each side, apex acuminate; terminal leaflet broadly ovate-orbicular, larger, 7-8 × ca. 5 cm, petiolule 2.5-3.2 cm. Inflorescence 5-10-fascicled racemes, 4-8 cm; bracts of inflorescence ovate-lanceolate, 1.5-2 cm × 7-9 mm. Pedicel 3-4.5 mm; floral bracts ovate to oblong, 2-3 × ca. 1 mm, apex acuminate or obtuse. Flowers pale yellow, ca. 3 mm in diam. Berry bluish black, slightly pruinose, oblong, ca. 7 × 4 mm; style persistent. Seeds 1. Fl. Aug-Sep, fr. Oct-Dec.

● Thickets on rocky slopes, open slopes; 1000-1500 m. Guangxi, Yunnan.


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