Linum lewisii Linum lewisii Linum lewisii ("Linum perenne" var. "lewisii") (Lewis flax, blue flax or prairie flax) is a perennial plant in the family Linaceae, native to western North America from Alaska south to Baja California, and from the Pacific Coast east to the Mississippi River (USDA Plant Profile: "Linum lewisii"). It grows on ridges and dry slopes, from sea level in the north up to in the Sierra Nevada. It is a slender herbaceous plant growing to 80 cm tall, with spirally arranged narrow lanceolate leaves 1–2 cm long. The flowers are pale blue or lavender to white, often veined in
Valley of Flowers National Park renowned mountaineers, botanists, and in literature. It has been recognized internationally for over a century and is referenced in the Hindu religion. Local people have visited the valley since ancient times. Indian yogis are known to have visited the valley for meditation. The Valley of Flowers has many different colourful flowers, taking on various shades of colours as time progressed. The valley was declared a national park in 1982 and now it is a World Heritage Site. The Valley of Flowers has gained importance as a region containing a diversity of alpine flora, representative of the Western Himalayan alpine shrub