Carolinas and Georgia

1386

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales

WEAKLEY'S FLORA (10/20/20):
Silphium dentatum   FAMILY Asteraceae

INCLUDING PLANTS NATIONAL DATABASE:
Silphium asteriscus var. laevicaule   FAMILY Asteraceae

INCLUDING PLANTS National Database
Silphium asteriscus var. angustatum

SYNONYMOUS WITH Flora of North America
Silphium asteriscus var. dentatum

INCLUDED WITHIN Tennessee Flora Committee (2015)
Silphium asteriscus

INCLUDING Vascular Flora of the Southeastern States (Cronquist 1980, Isely 1990)
Silphium dentatum

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-54-004a:
Silphium dentatum var. dentatum   FAMILY Asteraceae

INCLUDING Manual of the Southeastern Flora (Small, 1933)
Silphium elliottii

INCLUDING Manual of the Southeastern Flora (Small, 1933)
Silphium incisum

INCLUDING Manual of the Southeastern Flora (Small, 1933)
Silphium nodum

 

COMMON NAME:
Starry Rosinweed


map
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Look for it in woodlands, on roadsides, per Weakley's Flora

Forb
Perennial

Native to the Carolinas & Georgia
Documented growing wild in GA NC SC

Common (uncommon in GA Mountains & Carolina Piedmont)

 

partial shade ...Variable ...Dry

LEAVES:
Simple
Opposite or alternate (basal leaves absent or withered at flowering)

FLOWER:
Spring/Summer/Fall
Rays: Yellow
Disc: Yellow
Disc flowers functionally staminate/ Ray flowers pistillate & fertile
Flower heads with 8-13 ray flowers, notched at apex
Inferior ovary

FRUIT:
Spring/Summer/Fall
Achene

 

TO LEARN MORE about this plant, look it up in a good book!



Silphium dentatum   FAMILY Asteraceae

Starry Rosinweed