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Castilleja linariifolia
Also called Wyoming Paintbrush, Long Leaf Paintbrush, Narrow Leaved Paintbrush
Wyoming Indian paintbrush is a perennial wildflower native to western North America and the state flower of Wyoming. It is a hemiparasite that draws some nutrients from the roots of nearby plants, so it is hard to grow from garden stock without a suitable host.
Castilleja linariifolia is a perennial plant, native to the United States and is the state flower of Wyoming. It has a number of common names including Wyoming paintbrush and Wyoming paintedcup.
The Wyoming paintbrush is native to every western US state from the Rocky Mountains to the Pacific, with the exception of Washington state. It is also native to just the state of Sonora in the northwest of Mexico. In Wyoming it is found in most of the state, only absent from eight of the 23 counties, six of them in the eastern part of the state. To the North in Montana it grows from Big Horn County in the south to Missoula County in the west, eight counties in total. In Idaho it is mainly a species of the south, but is found in some of the northern counties including Bonner County near the border in the panhandle. Its range in Oregon covers the southeastern half of the state. Wyoming painbrush grows in California from the Cascade Range, the high Sierra Nevada, and Transverse Ranges and to the east in the Mojave Desert and Modoc Plateau. In Nevada and Utah they are recorded in every county of both states. In Colorado it is found in all parts of the western half of the state and is absent from all counties of the shortgrass prairie.
Christ's Indian paintbrush · Exserted Indian paintbrush · Entireleaf Indian paintbrush · Wholeleaf Indian paintbrush · Indian Paintbrush
Text excerpted from the Wikipedia article Castilleja linariifolia by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
