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 annae Rhododendron annae (桃叶杜鹃) is a rhododendron species native to central and western Guizhou and western Yunnan, China, where it grows at altitudes of 1200–3000 meters. It is a shrub that grows to 1.5–2 m in height, with leatherly leaves that are narrow elongate-lanceolate to oblong-elliptic, 7–10 by 2–3.7 cm in size. Flowers are predominantly white.