The genus name honors the English botanist William Vernon, who did fieldwork in North America. Back of a moist wildflower garden. Can also use on the , Tolerance, Not salt tolerant of inundation by salty or brackish water. Some tolerance to salty wind but not direct salt spray. , Habitat, Exposed sand and gravel bars of streams during low water, stream banks, hydric to wet mesic pine flatwoods. Rich soils. Ruderal. , Did You Know?, Showy flowers Nectar attracts butterflies and native beens.  Larval host for spring azure butterfly.

The cream-colored petals are crimped at the margins with numerous dark-purple stamen filaments and bluish anthers. Silky hairs cover the lower leaf su , Tolerance, Not salt tolerant of inundation by salty or brackish water. Low/no tolerance of salty wind or direct salt spray , Habitat, Slope forest, upland hardwood forest, baygall. On acidic soils. , Did You Know?, Showy flowers

To see how crossvine gets its common name, cut a mature stem and you'll see that the pith is cross-shaped. Climbs using tendrils with adhesive disks. , Tolerance, Not salt tolerant of inundation by salty or brackish water. Low/no tolerance of salty wind or direct salt spray , Considertions, Its fast growth habit will need to be controlled in a small garden. , Wildlife, Attracts some butterflies, but mainly hummingbirds as pollinators. , Habitat, Moist hammocks, dry hammocks, dry hardwood forests , Did You Know?, Showy flowers

It is listed as Endangered by the state of Florida. Understory tree. Use as screen or specimen plant. , Tolerance, Tolerant of inundation with brackish water Some tolerance to salty wind but not direct salt spray. , Wildlife, Fruits eaten by birds and small mammals. Hummingbirds visit the flowers. , Habitat, Rockland hammock in coastal areas. , Did You Know?, Aroma, fragrance, Showy flowers, Interesting foliage Nectar plant for Schaus' swallowtail (Heraclides aristodemius) and other butterflies.

The entire state excepting the keys falls within the range of this plant which extends from North Carolina to Texas.   Herbarium specimens document oc , Tolerance, Unknown Unknown , Habitat, Wet flatwoods, savannas, acidic swamps , Did You Know?, Showy flowers