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Silphium trifoliatum var. latifolium (Whorled rosinweed)
Brundage, Stephanie

Silphium trifoliatum var. latifolium

Silphium trifoliatum L. var. latifolium A. Gray

Whorled Rosinweed

Asteraceae (Aster Family)

Synonym(s): Silphium confertifolium, Silphium glabrum


USDA Native Status: L48 (N)


From the Image Gallery

5 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Arrangement: Whorled
Inflorescence: Head , Panicle
Size Notes: To about 4 feet in height.
Leaf: Leaves mostly in whorls of three, rarely opposite.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: Yellow
Bloom Time: Jun , Jul , Aug , Sep , Oct


USA: AL , GA , IN , LA , MS , NC , OH , SC , TN , VA

Additional resources

USDA: Find Silphium trifoliatum var. latifolium in USDA Plants
FNA: Find Silphium trifoliatum var. latifolium in the Flora of North America (if available)
Google: Search Google for Silphium trifoliatum var. latifolium


Record Modified: 2019-03-22
Research By: JAM

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