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FOC | Family List | FOC Vol. 14 | Apiaceae | Rhododendron

548. Rhododendron subenerve P. C. Tam, Surv. Gen. Rhododendron S. China. 108. 1983.

灌阳杜鹃 guan yang du juan

Shrubs; young shoots densely coarsely red-brown-strigose. Leaves with 2 forms. Summer and winter leaves probably different. Petiole to 2 mm or ± absent, densely red-brown-strigose; leaf blade leathery, ovate or oblong-ovate, 1.5–3 × 0.7–1.1 cm; base broadly cuneate or subrounded; margin slightly revolute, coarsely red-brown-strigose; apex obtusely pointed and acute; abaxial surface subglabrous though with some hairs on midrib; adaxial surface coarsely strigose, glabrescent, midrib prominent on both surfaces; lateral veins obscure. Inflorescence 4- or 5-flowered. Pedicel 0.6–0.8 cm, densely red-brown-strigose; calyx lobes crenate, ca. 1 × 2 mm; corolla shortly funnelform, flower color unknown though apparently without flecks, ca. 0.9 cm; tube cylindric, ca. 3.5 × 3 mm; lobes oblong-ovate, ca. 0.55 × 0.3 cm, apex acute; stamens 5, unequal, 1.2–1.6 cm, filaments sparsely puberulent; ovary ovoid, ca. 3 mm; style ca. 1.3 cm, coarsely strigose below, finely glandular above. Capsule ovoid or subovoid, ca. 4 mm, densely coarsely red-brown-strigose. Fr. Sep–Nov.

Dense mountain forests, forest margins. NE Guangxi.


 

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