Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Helianthus heterophyllus
FAMILY
Asteraceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Savanna Sunflower at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Helianthus heterophyllus
FAMILY
Asteraceae
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21 (2006)
Helianthus heterophyllus
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-65-006:
Helianthus heterophyllus FAMILY Asteraceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Helianthus heterophyllus
COMMON NAME:
Savanna Sunflower, Variable-leaf Sunflower
To see larger pictures, click or hover over the thumbnails.
Will Stuart wil_heterophy220925_3366
September Craven NC
Croatan National Forest
Erect nearly leafless stems topped by dark-centered flower heads that can be 4" wide, per Atlantic Coastal Plain Wildflowers (Nelson, 2006).
Will Stuart wil_heterophy220925_3369
September Craven NC
Croatan National Forest
Most leaves less than 6" long and borne in a persistent tuft at the base of the plant, per Atlantic Coastal Plain Wildflowers (Nelson, 2006).
Will Stuart wil_heterophyl220925_3361
September Craven NC
Croatan National Forest
A few leaves may extend a short ways up the stem; all leaves rough to the touch (sandpaperish), per Atlantic Coastal Plain Wildflowers (Nelson, 2006).
Will Stuart wil_heterophyl220925_3372
September Craven NC
Croatan National Forest
Ray flowers bright yellow & angled upwards forming a bowl. Disc flowers numerous & reddish-brown. — Will Stuart
Will Stuart wil_heterophyl220925_3384
September Craven NC
Croatan National Forest
Note the small, paired stem leaves beneath the flowers. — Will Stuart
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Helianthus heterophyllus
FAMILY
Asteraceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Helianthus heterophyllus
FAMILY
Asteraceae
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 19-20-21
Helianthus heterophyllus
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-65-006:
Helianthus heterophyllus
FAMILY
Asteraceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Helianthus heterophyllus
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