Tetradymia nuttallii
Tetradymia canescens
gray horsebrush, spineless horsebrush
unarmed, densely tomentose with glabrate or floccose stripes.
turbinate to cylindric, 6–10 mm.
4(5);
corollas 5–15 mm, yellow, rarely cream.
4(5), lanceolate to oblong;
surfaces tomentose.
3–5 mm, glabrous to hirsute, pappi of 100–150 bristles, 6–10 mm.
3–8.
lanceolate to oblanceolate, 7–40 mm;
surfaces tomentose to sericeous.
similar to primary, 2–20 mm.
=60, 62, 90, 120.
Tetradymia nuttallii
Tetradymia canescens
Sagebrush, juniper forests, pine forests. Flowering May–Aug. 300–2100 m. BR, BW, Col, ECas, Lava, Owy. CA, ID, NV, WA; north to British Columbia, northeast to MT, east to WY, southeast to NM. Native.
Stephen Meyers
- Local floras:
BC, 
CA, 
OR, 
WA - Local Web sites: CalFlora, CalPhotos,
Flora NW, 
PNW Herbaria 
WildflowerSearch
iNaturalist (observations)
USDA Plants Database- LBJ Wildflower Center
- SEINet
- Plants of the World Online
- Encyclopedia of Life
- Wikipedia
- Google Image Search
