Rhododendron ‘Mariesii’ • Azalea

Rhododendron Rhododendron / Azalea  •  シャクナゲ / ツツジ  •  石楠花 / 躑躅    shakunage / tsutsuji

Three of them growing in area C, all listed at about 3′ tall – they are round in habit. Their purple flower corolla is very similar to 2 rhododendron reticulatum, also growing in this area, a bit (like a week) earlier, but the leaves and pattern of growth tell the difference… Mariesii are more full, while Reticulatum seem more leggy…


SJG • 4/29/13 – Rhododendron ‘Mariesii’ • Azalea (reticulatum in the background); Area C


SJG • 4/29/13 – Rhododendron ‘Mariesii’ • Azalea; Area C; leaves and flower

From Flora of China:   Rhododendron mariesii Hemsley & E. H. Wilson, Bull. Misc. Inform. Kew. 1907: 244. 1907.

满山红 man shan hong
Rhododendron daiyuenshanicum P. C. Tam, nom. illeg. superfl.; R. daiyunicum P. C. Tam; R. farrerae Sweet var. mediocre Diels; R. gnaphalocarpum Hayata; R. shojoense Hayata; R. umbelliferum H. Léveillé.
Shrubs, deciduous, 1–3 m tall; branches verticillate, softly yellowish-brown hairy, glabrescent. Petiole 5–7 mm, glabrescent; leaf blade papery to almost leathery, elliptic, ovate-lanceolate or triangular-ovate, 4–7.5 × 2–4 cm; base obtuse or subrounded; margin slightly revolute; apex acute and mucronate; both surfaces yellowish brown-villous, glabrescent, rarely abaxial surface thinly persistently floccose. Inflorescence usually 2-flowered: flowers appearing before the leaves. Pedicel 0.7–1 cm, densely softly yellow-brown hairy; calyx shallowly lobed, densely softly yellow-brown hairy; corolla funnelform, purplish red, with purple-red flecks on upper lobes, 3–3.5 cm; tube ca. 4 mm in diam.; lobes deeply divided, oblong, both surfaces glabrous; apex obtuse and rounded; stamens 8–10, unequal, shorter than, or as long as the corolla, filaments flat, glabrous; ovary ovoid, densely yellow-brown villous; style longer than stamens, glabrous. Capsule ellipsoid-ovoid, 6–9(–18) mm, densely shiny-brown-villous. Fl. Apr–May, fr. Jun–Nov.
Open forests, submontane regions; 600–1500 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Henan, Hebei, Hubei, Hunan, Jiangsu, Jiangxi, Shanxi, Sichuan, Taiwan, Zhejiang. […]

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