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Tetradymia canescens DC.
Synonym(s): Tetradymia canescens var. inermis
USDA Symbol: TECA2
USDA Native Status: L48 (N), CAN (N)
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.
Plant CharacteristicsDuration: Perennial Habit: Subshrub Leaf:
Bloom InformationBloom Color: Yellow
Bloom Time: Jul , Aug
, WY Canada: BC
Growing ConditionsWater Use: Low
Light Requirement: Sun
CaCO3 Tolerance: High
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
Native Seed Network
- Corvallis, OR
Record Last Modified: 2007-01-01
Research By: TWC Staff