Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Helianthus petiolaris ssp. petiolaris
FAMILY
Asteraceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
H. petiolaris is very similar to H. debilis. Read more at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Helianthus petiolaris ssp. petiolaris
FAMILY
Asteraceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Helianthus petiolaris ssp. petiolaris
SYNONYMOUS WITH Flora of North America
Helianthus petiolaris ssp. petiolaris
SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Helianthus petiolaris ssp. petiolaris
INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-65-023:
Helianthus petiolaris FAMILY Asteraceae
INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)
Helianthus petiolaris
COMMON NAME:
Plains Sunflower, prairie sunflower
NameThatPlant has no pictures at this time. You might try this link: Flora of the Southeastern United States
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Helianthus petiolaris ssp. petiolaris
FAMILY
Asteraceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Helianthus petiolaris ssp. petiolaris
FAMILY
Asteraceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Helianthus petiolaris ssp. petiolaris
SYNONYMOUS WITH
Flora of North America
Helianthus petiolaris ssp. petiolaris
SYNONYMOUS WITH
Floristic Synthesis of North America (Kartesz, 1999)
Helianthus petiolaris ssp. petiolaris
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-65-023:
Helianthus petiolaris
FAMILY
Asteraceae
INCLUDED WITHIN
Manual of the Southeastern Flora (Small, 1933, 1938)
Helianthus petiolaris
4903
Forb
Annual
Habitat: Prairies, sandy open areas, eastwards in disturbed areas in sandy soil, per Weakley's Flora
Native: north & west of the Carolinas & Georgia
Rare
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Simple
Mostly alternate
Petioles 5-9cm long
FLOWER:
Spring/Summer
Rays: Yellow
Disc: Reddish
Inferior ovary
Disc flowers bisexual & fertile/ Ray flowers pistillate but sterile
FRUIT:
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".