Tetradymia canescens DC.
Asteraceae (Aster Family)
Synonym(s): Tetradymia canescens var. inermis
USDA Symbol: TECA2
Spineless Horsebrush is a member of the aster family (family Asteraceae) which includes herbs, sometimes shrubs or vines, rarely trees, with simple or compound, alternate or opposite leaves. Flowers small, but organized into larger heads resembling a single, radially symmetrical flower cupped by a ring of green bracts. In this large, worldwide family there are about 920 genera and 19,000 species. Cosmos, Sunflower, Zinnia, Dahlia, and many others are grown as ornamentals; Lettuce, Sunflowers, and Artichokes provide food. Safflower oil is obtained from this family. Ragweed pollen causes hay fever.
From the Image Gallery
Bloom InformationBloom Color: Yellow
Bloom Time: Jul , Aug
Growing ConditionsWater Use: Low
Light Requirement: Sun
CaCO3 Tolerance: High
Find Seed or Plants
Find seed sources for this species at the Native Seed Network.
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Native Seed Network - Corvallis, OR
From the ArchiveWildflower Newsletter 1990 VOL. 7, NO.4 - Research Update, Wild-Collecting Endangers Natives, Director's Report, Maryland ...
Additional resourcesUSDA: Find Tetradymia canescens in USDA Plants
FNA: Find Tetradymia canescens in the Flora of North America (if available)
Google: Search Google for Tetradymia canescens
MetadataRecord Modified: 2017-07-07
Research By: TWC Staff