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

10. Mahonia breviracema Y. S. Wang & P. K. Hsiao, Acta Phytotax. Sin. 23: 309. 1985.

短序十大功劳 duan xu shi da gong lao

Berberis breviracema (Y. S. Wang & P. K. Hsiao) Laferrière; ?Mahonia monodens J. Y. Wu, H. N. Qin & S. Z. He.

Shrubs, ca. 1 m tall. Leaves abaxially pale green, adaxially green, ovate or ovate-elliptic, 14-16 × 6-8 cm; leaflets 3 or 4 pairs, lowest pair ca. 4 cm above base of petiole; rachis 1-2 mm in diam.; internodes 2.5-3 cm, ca. equidistant, abaxial veins raised, adaxial veins impressed; leaflets elliptic to subrhombic, 3-6.6 × 1.2-3 cm, slightly decreasing in size from base to apex, leathery, base cuneate, margin with 2-4 teeth on each side, apex acute to acuminate; terminal leaflet larger than others, 5.5-6.5 × 2.5-3 cm, sessile. Inflorescence 5-8-fascicled racemes, 3-8 cm; bracts of inflorescence lanceolate, 1-1.5 cm × 3-6 mm. Pedicel 2-2.5 mm; floral bracts ovate, 1-1.2 × 0.6-0.8 mm. Outer sepals ovate, 1.6-1.8 × 1-1.1 mm; median sepals obovate-oblong, 3.7-3.8 × 1.7-1.8 mm; inner sepals obovate, ca. 4 × 2.1 mm. Petals elliptic, 3.5-3.6 × 1.3-1.4 mm, base with distinct glands, apex emarginate. Stamens ca. 2.1 mm; anther connective prolonged, rounded. Ovary ca. 1.7 mm; ovules 2; style 0.3-0.5 mm. Berry unknown. Fl. Oct-Nov, fr. unknown.

● Open rocky slopes in thickets; ca. 600 m. Guangxi (Lingui, ?Tiandeng), ?Guizhou (Guiyang).

Mahonia breviracema is cultivated in Yan Shan Botanical Garden, Guangxi Institute of Botany, Guilin, from where the type specimen (S. K. Lee 200582, IBK) was collected. Mahonia monodens, described from Guangxi (Tiandeng) and Guizhou, is tentatively included in synonymy, but we have not been able to compare the limited number of specimens available to determine the appropriateness of this placement.


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