Index / Search / Funastrum cynanchoides ssp. heterophyllum
§1 Plant
Funastrum cynanchoides (Decne.) Schltr. ssp. heterophyllum (Engelm. ex Torr.) Kartesz
vernacular Hartweg's twinevine — subspecies · Asclepiadaceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb, Vine
- Duration
- Perennial
- Group
- Dicot
- Family
- Asclepiadaceae Borkh.
- Genus
- Funastrum
Native status, by region
- L48 Lower 48 States Native
County-level range
· 25 counties across 5 states/territories§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 25 counties across 5 states/territories.
Arizona view state ↗ 13 N ▾
Nevada view state ↗ 1 N ▾
New Mexico view state ↗ 2 N ▾
Texas view state ↗ 5 N ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/FUCYH ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/3575373 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T13:12:28Z