Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Gentianales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (2/10/25):
Orthosia scoparia ssp. scoparia
FAMILY
Apocynaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read a taxonomic advisory regarding Sandvine and Swallow-wort from Alan Weakley and the Southern Appalachian Botanical Society.
This species quickly loses its leaves during the growing season, per Weakley's Flora (2022)
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Cynanchum scoparium
FAMILY
Asclepiadaceae
INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Orthosia scoparia
INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 157-02-003:
Cynanchum scoparium FAMILY Asclepiadaceae
INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)
Amphistelma scoparia
INCLUDED WITHIN Flora of North America north of Mexico, vol. 14
Orthosia scoparia
COMMON NAME:
Leafless Swallowwort, Cynanchum
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 (2/10/25):
Orthosia scoparia ssp. scoparia
FAMILY
Apocynaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Cynanchum scoparium
FAMILY
Asclepiadaceae
INCLUDED WITHIN
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Orthosia scoparia
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 157-02-003:
Cynanchum scoparium
FAMILY
Asclepiadaceae
INCLUDED WITHIN
Manual of the Southeastern Flora (Small, 1933, 1938)
Amphistelma scoparia
INCLUDED WITHIN
Flora of North America north of Mexico, vol. 14
Orthosia scoparia
2326
Twining vine, mostly herbaceous, may be woody in the southern parts of its range
Perennial
Habitat: Coastal hammocks, shell mounds, other hardwood hammocks, per Weakley's Flora
Native to South Carolina & Georgia
Rare
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
DOES THE PLANT HAVE "MILKY SAP"?
Has milky sap (latex)
LEAVES:
Deciduous - often early deciduous
Simple
Opposite
FLOWER:
Summer
Greenish-white
Radially symmetrical
5-merous
5-lobed rotate or subrotate corolla
Superior ovary
Bisexual
FRUIT:
Summer/Fall
Follicle
TO LEARN MORE about this plant, look it up in a good book!
- Guide to the Wildflowers of SC, 2nd ed. (McMillan, Porcher, Rayner, & White; 2022) p508
- Native Shrubs and Woody Vines of the Southeast (Foote & Jones, 1989) p122
- Field Guide to the Wildflowers of Georgia (Chafin, 2016) p054
- Woody Plants of the Southeastern US: A Winter Guide (Lance, 2004) p128
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