Rhododendron ziyuanense
R. ziyuanense (Maculifera) eller Irrorata (Davidian). Busk eller træ op til 5 m. Blade 5-10 x 1,8-2,5 cm spidse. Bladpladen glat og undersiden uden indument. Ovariet kirtelhåret. Blomsten hvid eller svagt lyserød, oftest 3 (-5) blomster i klasen. Vildtvoksende i Ziyuan, Guangsi, Kina.
R. ziyuanense RHS 02238 AC 5211, har kun 3-5 blomster i klasen, mens R. annae har 8 eller flere. Tekst og Foto: Ole Jonny Larsen
● R. ziyuanense frø. Foto: Hans Eiberg
Flora of China
RBGE Herbarium; R. ziyuanense (no data)
Trees or shrubs, ca. 5 m tall; branches stout, brown; branchlets pale gray-brown, glandular setose when young. Petiole stout, 7–12 mm, with verrucose spots; leaf blade leathery, rigid, oblong-lanceolate, 5–7 × 1.5–2.5 cm; base cuneate; margin revolute; apex acuminate, apiculate; abaxial surface pale green, midrib with verrucose spots; adaxial surface dull green, glabrous; midrib raised abaxially, grooved adaxially; lateral veins 14-paired. Inflorescence 3–5-flowered. Pedicel slender, ca. 1.5 cm, puberulent; calyx saucer-shaped; lobes 5, puberulent, margin undulate; corolla campanulate, pale pink to white, with purple-red flecks on lobes, ca. 3 cm; lobes 5, ± ovate, ca. 1.2 × 1.5 cm; stamens 10, unequal, 0.9–2 cm, filaments pale rufous tomentose at base; ovary cylindric, ca. 4 mm, ferruginous-glandular; style ca. 2.5 cm, glabrous. Capsule cylindric, 15–20 mm, rough, glabrescent. Fl. May, fr. Oct.
Forests; ca. 1700 m. NE Guangxi.