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

315. Rhododendron adenopodum Franchet, J. Bot. (Morot). 9: 391. 1895.

弯尖杜鹃 wan jian du juan

Rhododendron simiarum Hance subsp. youngiae (W. P. Fang) D. F. Chamberlain; R. youngiae W. P. Fang.

Shrubs, evergreen, 2–3 m tall; bark gray; young shoots with a dense grayish tomentum and a few glandular hairs. Petiole 10–15 mm; leaf blade leathery, obovate-elliptic or long-obovate, 6–13 × 2–4 cm; base cuneate; apex acuminate, shortly curved-cuspidate; abaxial surface indumentum grayish to pale fawn; adaxial surface glabrous when mature; midrib prominent abaxially, grooved adaxially; lateral veins 10–12-paired, inconspicuous. Inflorescence a lax racemose corymb, 4–8-flowered; rachis 10–15 mm, with a fawn-tomentum. Pedicel 1–2.5 cm, with glandular hairs; calyx lobes 5, 3–5 mm, membranous glandular on the back, triangular-ovate, margin glandular-ciliate; corolla funnel-campanulate, pale rose, usually crimson-spotted, 4–4.5 cm, puberulent within at the base, outside glabrous, lobes 5, orbicular, ca. 1.5 × 2 cm; stamens 10, unequal, 1.5–3 cm, filaments densely hairy in lower 1/4; ovary ovoid, ca. 5 mm, ca. 5–6-locular, densely clad with long-glandular hairs; style slender, glabrous. Capsule oblong-cylindric, ca. 15 × 7 mm, glandular. Fl. Apr–May, fr. Jul–Aug.

Thickets, mountain slopes, roadsides; 1000–2200 m. Chongqing, W Hubei.


 

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