Apocynaceae

Rusby’s Milkweed (Asclepias rusbyi) is a herbaceous perennial that is native to the southwestern United States, except California and extends south into Mexico. This plant… 

Slim-Pod Milkweed (Asclepias quinquedentata) is a herbaceous perennial that is native to the states of Arizona and New Mexico in the United States and extends… 

Big-Seed Milkweed (Asclepias macrosperma) is a herbaceous perennial that is native to the four corners region of the United States. This plant is a host… 

Lemmon’s Milkweed (Asclepias lemmonii) is a herbaceous perennial that is native to the state of Arizona in the United States and ranges south into Mexico.… 

Utah Milkweed (Asclepias labriformis) is a herbaceous perennial that is native to the state of Utah in the United States. This plant is a host… 

Mahogany Milkweed (Asclepias hypoleuca) is a herbaceous perennial that is native to the states of Arizona and New Mexico in the United States. This plant… 

Eastwood’s Milkweed (Asclepias eastwoodiana) is a herbaceous perennial that is native and rare in the state of Nevada in the United States. This plant is… 

Cutler’s Milkweed (Asclepias cutleri) is a herbaceous perennial that is native and rare in the southwestern United States. This plant is a host to the… 

Curtiss’s Milkweed (Asclepias curtissii) is a herbaceous perennial that is native and endemic to the state of Florida in the United States. This plant is…