Rhododendron fortunei ssp. discolor / Rhododendron houlstonii

˂˂ forrige – næste ˃˃

Billeder af Rhododendron fortunei ssp. discolor / R. houlstonii

R. fortunei ssp. discolor / R. houlstonii. Foto: P. Stangerup — *R. fortunei* ssp. *discolor* / *R. houlstonii*. Foto: P. Stangerup

R. fortunei ssp. discolor/R. houlstonii, RSF. Foto: Howard Kline — *R. fortunei* ssp. *discolor*/*R. houlstonii,* RSF. Foto: Howard Kline

R. fortunei ssp. discolor / R. houlstonii RF02/228 KMD. Foto: Bøje Vinther — *R. fortunei* ssp. *discolor* / *R. houlstonii* RF02/228 KMD. Foto: Bøje Vinther

R. fortunei ssp. discolor/ R. houlstonii blomsterknop (november) hos OJL. Foto: Mark Joel — *R. fortunei* ssp. *discolor*/ *R. houlstonii* blomsterknop (november) hos OJL. Foto: Mark Joel

R. fortunei ssp. discolor / R. houlstonii , bark. Foto: Mark Joel — *R. fortunei* ssp. *discolor* / *R. houlstonii* , bark. Foto: Mark Joel

R. fortunei ssp. discolor / R. houlstonii RF02/228 KMD. Bark. Foto: Bøje Vinther — *R. fortunei* ssp. *discolor* / *R. houlstonii* RF02/228 KMD. Bark. Foto: Bøje Vinther

Beskrivelse

R. (fortunei ssp.) discolor / R. houlstonii (Fortunea). Har smallere og mindre blade end ssp. discolor og blomstrer tidligere (maj). Blomsterne er oftest lyserøde og hvide forekommer også, men sjældent. I Flora of China er R. discolor nu beskrevet som en art.
Hans Eiberg

● R. fortunei ssp. discolor / R. houlstonii SHH frø. Foto: Hans Eiberg

ARS, discolor
RBGE Herbarium; R. fortunei

Flora of China, discolor

R. discolor Franchet, J. Bot. (Morot). 9: 391. 1895.

Rhododendron fortunei subsp. discolor (Franchet) D. F. Chamberlain; R. fortunei var. houlstonii (Hemsley & E. H. Wilson) Rehder & E. H. Wilson; R. fortunei var. kwangfuense (Chun & W. P. Fang) G. Z. Li; R. houlstonii Hemsley & E. H. Wilson; R. kwangfuense Chun & W. P. Fang; R. mandarinorum Diels.

Shrubs or small trees, 1.5–8 m tall; branchlets stout, glabrous. Petiole stout, 15–25 mm, glabrous; leaf blade leathery, oblong-elliptic or oblong-lanceolate, 9.5–18 × 2.4–5.4 cm, or broader; base cuneate, rarely cordate; apex obtuse; both surfaces glabrous; abaxial surface pale yellowish green; adaxial surface dark green; midrib raised abaxially, grooved adaxially; lateral veins ca. 21-paired, obscure abaxially, impressed adaxially. Inflorescence 6–8(–10)-flowered; rachis 15–30 mm, glandular. Pedicel 2–2.5 cm, glabrous or sparsely glandular; calyx lobes 7, 2–5 mm, ovate, glandular, margin gland-fringed; corolla funnel-campanulate, pale pink to white, ca. 5.5 cm, lobes 7, suborbicular, ca. 2 × 2.5 cm, emarginate; stamens 14–16, unequal, 3–3.8 cm, filaments glabrous; ovary conoid, ca. 7 mm, densely glandular-hairy; style glandular to tip. Capsule cylindric, 40–50 × ca. 15 mm. Fl. Jun–Jul, fr. Sep–Oct.

Forests; 900–1900 m. Anhui, Chongqing, Guangxi, Guizhou, Hubei, Hunan, Jiangxi, Shaanxi, Sichuan, Yunnan, Zhejiang.

Rhododendron discolor intergrades with R. fortunei, and can reliably be separated from that species only by the proportionately narrower leaves.