Index / Search / Cynanchum louiseae

§1 Plant

Cynanchum louiseae Kartesz & Gandhi

vernacular Louise's swallow-wort — species · Asclepiadaceae


USDA
CYLO11
GBIF
5414551 syn.
Rank
species
Louise's swallow-wort (Cynanchum louiseae)
Platephotograph · Andrea Petrullo source · iNaturalist ↗

§2Habit & range

Habit and range

Growth habit
Forb/herb, Vine
Duration
Perennial
Group
Dicot
Family
Asclepiadaceae Borkh.
Genus
Cynanchum
§2a

Native status, by region

  • CAN Canada Introduced
  • L48 Lower 48 States Introduced
§2b

County-level range

· 91 counties across 15 states/territories
Legend Native · 0 Introduced · 91 Both · 0 Hover a county for detail.

§3Cultivation

No cultivation specs.

USDA has not characterised this taxon. Roughly four out of five plants in the database lack the detailed cultivation record present here — typically because they have not been the focus of NRCS Plant Materials work. Range and distribution data are unaffected.


§4Counties, by state

Recorded in 91 counties across 15 states/territories.

California view state ↗ 1 I ▾
Illinois view state ↗ 7 I ▾
Kentucky view state ↗ 1 I ▾
Maine view state ↗ 4 I ▾
Massachusetts view state ↗ 12 I ▾
Michigan view state ↗ 7 I ▾
Minnesota view state ↗ 1 I ▾
New Hampshire view state ↗ 6 I ▾
New Jersey view state ↗ 3 I ▾
New York view state ↗ 24 I ▾
Ohio view state ↗ 5 I ▾
Pennsylvania view state ↗ 10 I ▾
Rhode Island view state ↗ 3 I ▾
Vermont view state ↗ 4 I ▾
Wisconsin view state ↗ 3 I ▾

§5Sources & provenance

USDA PLANTS

Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.

plants.usda.gov/CYLO11 ↗

GBIF Backbone

Canonical taxonomic identity, synonym resolution, cross-refs. CC0.

gbif.org/species/5414551 ↗

Record version

Cached and built locally. Source version on this record:

usda-plants-mt-2026-05-26

fetched 2026-05-26T20:46:58Z