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

537. Rhododendron adenanthum M. Y. He, J. Sichuan Univ., Nat. Sci. Ed. 1984(1): 94. 1984.

腺花杜鹃 xian hua du juan

Small shrubs, ca. 1 m tall; young shoots slender, densely coarsely brown strigose. Petiole ca. 3 mm, coarsely brown strigose; leaf blade papery, elliptic or elliptic-ovate, 2.5–4 × 0.9–1.3 cm; base broadly cuneate or subrounded; apex acute; abaxial surface sparsely coarsely strigose on midrib and lateral veins only; lateral veins obscure on both surfaces. Inflorescence usually 5-flowered. Pedicel to 0.4 cm, densely coarsely brown silky strigose; calyx lobes triangular-ovate, densely brown silky strigose; corolla funnel-campanulate, white, with purple flecks on upper lobes, ca. 1.1 cm; tube cylindric, 6–7 × ca. 4 mm, sparsely coarsely silky brown-strigose, outer surface glandular-hairy, inner surface pubescent; lobes unequal in size, elliptic or long-elliptic, ca. 0.5 × 0.3–0.4 cm; stamens 5, unequal, 1.4–1.7 cm, exserted, filaments flat, pubescent below; ovary ovoid, ca. 2.5 mm, densely coarsely silky brown-strigose; style ca. 1.1 cm, shorter than the stamens, densely coarsely silky brown-strigose below. Fl. Apr–May.

Open forests on ridges. NE Guangxi.


 

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