#cardenolides
- Asclepias — A genus of herbaceous perennial plants in the family Apocynaceae (subfamily Asclepiadoideae), popularly known as milkweeds. This taxon comprises over 140 species primarily native to the Americas, structurally remarkable for their complex flowers, toxic latex rich in cardenolides, and an essential ecological role as the exclusive food source for Monarch butterfly caterpillars.