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

64. Rhododendron tatsienense Franchet, J. Bot. (Morot). 9: 394. 1895.

硬叶杜鹃 ying ye du juan

Shrubs, 1–3 m tall; young shoots deep purplish red, densely or sparsely scaly, otherwise glabrous or rarely pubescent. Petiole 40–80 mm, sparsely scaly; leaf blade elliptic, oblong-ovate or elliptic-lanceolate, 2–7 × 1–3 cm; base rounded to cuneate; apex obtuse or acute, apiculate; abaxial surface scales 0.5–1(–2) × their own diameter apart, unequal, brown; adaxial surface densely or sparsely scaly. Inflorescence terminal or subterminal, shortly racemose, 2–4-flowered; rachis 2–3 mm. Pedicel 0.2–0.6(–1) cm, sparsely or densely scaly; calyx rimlike or undulate, 0.5–1 mm, scaly; corolla broadly funnelform-campanulate, pale red or rose-red, 1.2–2.5 cm, outer surface sparsely scaly; stamens unequal, long ones slightly longer than corolla; filaments densely pubescent at base; ovary 5-locular, densely scaly; style longer than corolla, glabrous. Capsule cylindric, 7–14 mm. Fl. Apr–Jun.

Forests, thickets; 2300–3600 m. N and SW Sichuan, N Yunnan.


1 Young shoots rarely pubescent; calyx and pedicels densely scaly.   64a var. tatsienense
+ Young shoots and calyx without hairs; pedicels very sparsely scaly.   64b var. nudatum

Lower Taxa


 

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