Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Helianthus agrestis
FAMILY
Asteraceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Helianthus agrestis
FAMILY
Asteraceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Helianthus agrestis
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21 (2006)
Helianthus agrestis
SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Helianthus agrestis
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Helianthus agrestis
COMMON NAME:
Southeastern Sunflower
To see larger pictures, click or hover over the thumbnails.
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Keith Bradley kab_h_agrestis_4678
October Collier County FL
Ray florets, about 12. Disc florets, 50+; anthers dark, appendages dark, per Flora of North America.
)
Keith Bradley kab_h_agrestis_4681
October Collier County FL
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Helianthus agrestis
FAMILY
Asteraceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Helianthus agrestis
FAMILY
Asteraceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Helianthus agrestis
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 19-20-21
Helianthus agrestis
SYNONYMOUS WITH
Floristic Synthesis of North America (Kartesz, 1999)
Helianthus agrestis
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Helianthus agrestis
3971
Forb
Annual
Habitat: floodplain marshes, mucky areas in pine flatwoods, per Weakley's Flora
Native to Georgia
Historically in GA, but not recently seen
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Simple
Mostly opposite
FLOWER:
Summer/Fall
Rays: Yellow
Disc: Reddish-purple
Inferior ovary
Disc flowers bisexual & fertile/ Ray flowers pistillate but sterile
FRUIT:
Summer/Fall
Achene
TO LEARN MORE about this plant, look it up in a good book!
If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
Or, to minimize chances of a misspelling, try just "Carex le".
Less is more: If "pencil flower" doesn't deliver the results you want, try "pencil".