Carolinas and Georgia

1384

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

WEAKLEY'S FLORA (2/8/20):
Silphium asteriscus var. asteriscus   FAMILY Asteraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Silphium asteriscus var. asteriscus   FAMILY Asteraceae

INCLUDING VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-54-005:
Silphium asteriscus   FAMILY Asteraceae

INCLUDING Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968)
Silphium dentatum var. gatesii

SYNONYMOUS WITH Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Silphium asteriscus

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

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

 

COMMON NAME:
Starry Rosinweed


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

Forb
Perennial

Native
Documented growing wild in GA NC SC

Common in NC Piedmont, uncommon in NC Mountains, rare elsewhere in GA-NC-SC

 

partial shade ...Variable ...Dry

LEAVES:
Simple
Opposite, rarely alternate (basal leaves absent at flowering)

FLOWER:
Summer/Fall
Rays: Yellow
Disc: Yellow
Disc flowers functionally staminate/ Ray flowers pistillate & fertile
Flower heads with 8-20 ray flowers, notched at apex
Inferior ovary

FRUIT:
Summer/Fall
Achene

 

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



Silphium asteriscus var. asteriscus   FAMILY Asteraceae

Starry Rosinweed