Calycadenia truncata DC.
Oregon Western Rosinweed, Rosinweed
Asteraceae (Aster Family)
USDA Symbol: CATR3
A slender, odorous plant with yellow flower heads in a narrow cluster and very narrow leaves; each upper leaf tipped with a broad, dish-shaped gland.
The genus name comes from the Greek kalyx (cup) and adenos (gland), referring to the peculiar glands that distinguish all but one species of this genus found primarily in California. Rays on some species are white, changing to rose as they age.
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Plant CharacteristicsDuration: Annual
Size Notes: Height 1-4 feet.
Size Class: 1-3 ft. , 3-6 ft.
Bloom InformationBloom Time: Jun , Jul , Aug , Sep , Oct
DistributionUSA: CA , OR
Native Distribution: Southern Oregon south to central California.
Native Habitat: Dry, sunny, sparsely grassy slopes.
Additional resourcesUSDA: Find Calycadenia truncata in USDA Plants
FNA: Find Calycadenia truncata in the Flora of North America (if available)
Google: Search Google for Calycadenia truncata
MetadataRecord Modified: 2007-01-01
Research By: TWC Staff