Dig deeper at SERNEC, a consortium of southeastern herbaria.

The flowers are typically lighter in color than those of var. tuberosa, yellow or yellowish-orange rather than deep orange to reddish. Read more in Weakley's Flora (2023).

Learn more from Vascular Plants of North Carolina.

INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Asclepias tuberosa ssp. rolfsii   FAMILY Asclepiadaceae

INCLUDED WITHIN Floristic Synthesis of North America (Kartesz, 1999)

Asclepias tuberosa ssp. rolfsii

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 157-01-004b:

Asclepias tuberosa ssp. rolfsii   FAMILY Asclepiadaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)

Asclepias rolfsii

COMMON NAME:
Sandhill Butterflyweed, Sandhill Butterfly Milkweed, Rolfs' milkweed

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):
Asclepias tuberosa var. rolfsii   FAMILY Apocynaceae

INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Asclepias tuberosa ssp. rolfsii   FAMILY Asclepiadaceae

INCLUDED WITHIN Floristic Synthesis of North America (Kartesz, 1999)
Asclepias tuberosa ssp. rolfsii

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 157-01-004b:
Asclepias tuberosa ssp. rolfsii   FAMILY Asclepiadaceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Asclepias rolfsii