C. cathayanum, Kew 2007297
Notes:
Verified with Flora of China online www.eFloras.org.
Plant smaller than C . giganteum, raceme with fewer flowers. Corolla to 14cm long, white speckled red-purple inside. Tepals fused at the base and sligthly spurred. Stamens deflexed upwards. Anthers basifixed. Bracts seem to be deciduous but said to be persistent in the Flora. This species is very similar to C. giganteum and mainly differs by its size and few flowers.
Locality: China, Anhui, Huang Shan, Yellow mountains.Photographs, (hover for an enlarged image).
The complete plant at flowering
Flower close-up
Flower - stem junction
Flowers and leaves.
Above photographs © 2011, Sven Landrein, Royal Botanic Gardens, Kew