Rhododendron williamsianum Rehder & E.H.Wilson in Sargent (ed.)

PL Wilsonianae 1: 538 (1915).

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Description

Spreading dwarf shrub, 0.6-1.5m; young shoots setose-glandular. Leaves ovate-orbicular, 2—4.5 x 1.4-3.5cm, c.1.3 x as long as broad, apex rounded, minutely apiculate, base cordate, upper and lower surfaces glabrous although with red sessile glands below; petioles 0.7-lcm, glabrous to setose-glandular. Calyx c.lmm, glandular-ciliate. Corolla campanulate, lacking nectar pouches, pale rose, with darker flecks, 30-40mm. Ovary glandular; style glandular to tip. Stamens with filaments glabrous. Capsule 15—18 X c.5mm. CHINA (C Sichuan).

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References

Chamberlain, D.F. (1982) A Revision of Rhododendron II. Subgenus Hymenanthes. Notes From the Royal Botanic Garden Edinburgh 39(2):261