Which species is found at higher elevations, Arundina or Guzmania?
Arundina The bamboo orchid, Arundina graminifolia, is a species of orchid and the sole accepted species of the genus Arundina. This tropical Asiatic genus extends from India, Sri Lanka, Nepal, Thailand, Vietnam, the Ryukyu Islands, Malaysia, Singapore, China to Indonesia, the Philippines and New Guinea. It has become naturalized in Réunion, Fiji, French Polynesia, Micronesia, the West Indies, Costa Rica, Panama and Hawaii.
Rhododendron adenogynum Rhododendron adenogynum (腺房杜鹃) is a rhododendron species native to southwest Sichuan, southeast Xizang, and northwest Yunnan in China, where it grows at altitudes of 3200–4200 meters. It is a shrub that grows to 1–2.5 m in height, with leathery leaves that are lanceolate to oblong-lanceolate, 6–12 by 2–4 cm in size. Flowers are white to pink, with crimson spots.