大象传媒

Shrubs up to ca. 2 m tall, flowers funnel-campanulate, pale pink with purple flecks. Habitat: Picea forests at 3300鈥�3600 m. Found in SW Sichuan, China. Believed to be extinct in the wild, it was rediscovered in 2019. Its small area of occupancy is under threat of deforestation.

Critically Endangered (CR)

Photo:

Terhi Pousi, UiB

Small trees with scarlet or brick-red flowers. Restricted to a small region in central Honshu and Izu Oshima, Japan.

Endangered (EN)

Shrubs 2鈥�4 m tall with purple flowers. Habitat: Forests at 2200鈥�3000 m. W Sichuan, China. Rare, not found in recent years, known from just two localities in an area that has been deforested.

Critically Endangered (CR)

Photo:

Terhi Pousi, UiB

Shrubs 1鈥�3 m tall with white, bell-shaped 5-lobed flowers, the outer side of the calyx densely hairy. Habitat: Thickets on mountain slopes at 2400鈥�3400 m. W Sichuan.

Endangered (EN)

Photo:

Ole Jonny Larsen

Shrubs up to 3 m tall with small white or pale red bell-shaped flowers with red markings. Habitat: Forests, cliffs at 2600鈥�3500 m [2000-3000]. NW Sichuan, China. Found only in small populations within a restricted region.

Endangered (EN)

Photo:

Terhi Pousi, UiB

Shrubs up to 0.5鈥�0.7 m tall with bright rosy-red flowers. Epiphytic on Abies, Tsuga, or broad-leaved trees at 2600鈥�3000 m. Sichuan, China. Very localised.

Endangered (EN)

Photo:

Terhi Pousi, UiB

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Shrubs, 1鈥�2 m tall, with white bell-shaped, 5-lobed flowers. Habitat: Thickets at ca. 3200 m. NE Yunnan (Qiaojia), China. Known from a single large population potentially under pressure from firewood collection.

Endangered (EN)

Photo:

Zong-Xin Ren, Kunming Institute of Botany

Shrubs, 0.6鈥�1.2 m tall, pale-yellow flowers. Known from a single remote mountain area in forest at ca. 3400 m. SE Xizang / NW Yunnan, China.

Endangered (EN)

Photo:

Terhi Pousi, UiB

Shrubs or small trees, up to 5鈥�8 m tall, flowers white with a deep crimson blotch. Habitat: Thickets, mountain slopes, stream banks at 2900鈥�3500 m. W Sichuan, China.

Endangered (EN)

Photo:

Per Harald Salvesen

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Shrubs, ca. 1.3 m tall with carmine or bright-rose-coloured flowers. Habitat: Mixed forests, thickets at 1600鈥�2700 m. W Yunnan, China; Myanmar. Known from lowland populated areas under high pressure: may be extinct in the wild.

Critically Endangered (CR)

Photo:

Ole Jonny Larsen

Shrubs or small trees, 2鈥�9 m tall, flowers white or white suffused pink without markings. Habitat: Forests at 1200鈥�1500(鈥�2000) m. SC Sichuan, China. Fewer than 5 populations and c. 250 known individuals, threatened by habitat degradation and destruction.

Critically Endangered (CR)

Photo:

Ole Jonny Larsen

Synonym: Rh. myrtifolium. Small shrubs, similar to Rh. ferrugineum, native to the southern Balkan Peninsula and South and East Carpathians. Restricted to severely fragmented populations over less than 500 km² at higher elevations. Main threats are grazing, land use change, and climate change. Further reference: Boraty艅ski & al. (2006).

Endangered (EN)

Photo:

Terhi Pousi, UiB

Trees up to 15 m tall, pale-yellow flowers with deep red markings. Grows at 2,400-2,700 m. Only known from North-east India (Manipur, Nagaland).

Endangered (EN)

Small trees, 4鈥�6 m tall, with trusses of up to 14 very large flowers 10 cm long. Habitat: Forests, hill summits, at 1700鈥�1800 m. Known from only two populations, in SW Guizhou, China.

Critically Endangered (CR)

Photo:

Ole Jonny Larsen

Shrubs or small trees, 3鈥�6(鈥�8) m tall with small tubular, bell-shaped, crimson flowers. Habitat: Forests, Rhododendron thickets, rocky gullies at 3000鈥�3700 m. W Yunnan, China, and NE Myanmar. Threatened by habitat destruction.

Endangered (EN)

Photo:

Ole Jonny Larsen

Shrubs, ca. 2 m tall, with terminal inflorescences of funnelform, pale yellow flowers. Found at c. 3500 m in S Sichuan (Mianning), China.

Critically Endangered (CR)

Photo:

Remi Alexander Nielsen, UiO

Small, erect or ascending shrubs, 0.2鈥�1(鈥�1.5) m tall with dark purplish to lavender-blue flowers.听 Moorlands, rocky slopes; 3200鈥�3500 m. C Sichuan, China. Restricted to one small area within a protected area but vulnerable to pressure from tourism and fires.

Endangered (EN)

Photo:

Terhi Pousi, UiB

Shrubs or small trees, 2鈥�8 m tall, corolla funnel-campanulate, pinkish, lacking markings. Habitat: Forests, thickets, rocky slopes, at 1800鈥�2200 m. Chongqing (Nanchuan), China. Restricted range in the wild.

Endangered (EN)

Photo:

Michael Pirie, UiB

See also our video with Per Magnus J酶rgensen on the May-flowering Rhododendron species page.

Small shrubs, ca. 0.3 m tall corolla broadly funnelform, pale purplish. Habitat: Scrub, open 鈥榤oss lands鈥� at 2900鈥�3400 m. E Yunnan, China. Restricted distribution.

Endangered (EN)

Photo:

Terhi Pousi, UiB

Shrubs, 1鈥�2 m tall, corolla tubular-campanulate, coppery-red with dark flecks. Habitat: Valleys, stream banks, at 2700鈥�3300 m. SE Xizang, China. Rare.

Endangered (EN)

Photo:

Ole Jonny Larsen

Shrubs ca. 3 m tall, corolla cup-shaped, pure white. Habitat: Scrub, meadows, mountain slopes, at 3400鈥�4600 m. SW Sichuan, NW Yunnan.

Endangered (EN)

Photo:

Ole Jonny Larsen