Which species is found at higher elevations, Arundina or Guzmania?
Guzmania Guzmania (tufted airplant) is a genus of over 120 species of flowering plants in the botanical family Bromeliaceae, subfamily Tillandsioideae. They are mainly stemless, evergreen, epiphytic perennials native to Florida, the West Indies, southern Mexico, Central America, and northern and western South America. They are found at altitudes of up to 3500 m in the Andean rainforests.
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.