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

276. Rhododendron morii Hayata, J. Coll. Sci. Imp. Univ. Tokyo. 30(1): 173. 1911.

玉山杜鹃 yu shan du juan

Rhododendron morii var. taitunense (T. Yamazaki) D. F. Chamberlain; R. pseudochrysanthum Hayata subsp. morii (Hayata) T. Yamazaki; R. pseudochrysanthum var. taitunense T. Yamazaki.

Shrubs or trees, evergreen, 4.5–7.6 m tall; bark brown, smooth; older branches glabrous; young shoots pubescent; bud scales ovate, ca. 1.5 × 0.6 cm, glabrescent. Petiole 20–30 mm, ± floccose and glandular-hairy; leaf blade leathery, oblong-elliptic to oblong-ovate, 6.5–12 × 1.8–3.3 cm; base cuneate to rounded; apex acute or acuminate, apiculate; abaxial surface pale green, densely brownish tomentose when young, glabrescent; adaxial surface green, glabrous; midrib raised abaxially, grooved adaxially; lateral veins 14–16 on each side, obscure. Inflorescence 10–15-flowered; rachis ca. 20 mm, glandular. Pedicel 2.5–4 cm, glandular-hairy; calyx teeth 5, 1.5–3 mm; margin fringed with glands; corolla funnelform, white to pink, with crimson flecks and basal blotch, ca. 5 cm, lobes 5, suborbicular, ca. 2 × 2.3 cm, emarginate; stamens 10–14, 3.7–4.8 cm, filaments pubescent at base; ovary conoid, ca. 7 mm, glandular-hairy and tomentose; style glandular and tomentose at base, otherwise glabrous. Capsule 13–16 × 5–6 mm; style persistent. Fl. Apr, fr. Oct–Nov.

Forests; 1830–3040 m. C Taiwan.


 

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