Non-native Plants

Woodland Passionflower

Passiflora morifolia

USDA symbol: PAMO6

perennial vine

Lower 48 states: non-native, naturalized

Meet the woodland passionflower (Passiflora morifolia), a rather mysterious member of the passion vine family that’s managed to establish itself in South Carolina. While its name might conjure images of the more familiar and showy passion vines we often see climbing garden trellises, this particular species is quite the enigma ...

Woodland Passionflower: A Rare Non-Native with Limited Garden Appeal

Meet the woodland passionflower (Passiflora morifolia), a rather mysterious member of the passion vine family that’s managed to establish itself in South Carolina. While its name might conjure images of the more familiar and showy passion vines we often see climbing garden trellises, this particular species is quite the enigma in the gardening world.

What Exactly Is Woodland Passionflower?

Passiflora morifolia is a perennial forb herb, which in plain English means it’s a non-woody plant that comes back year after year. Unlike its climbing cousins that can scramble up fences and arbors, this species grows more like a typical herbaceous plant without significant woody tissue above ground. You might also encounter it listed under its synonym, Passiflora warmingii Masters, in older botanical references.

Where Does It Call Home?

Originally from South American regions, this non-native species has somehow made its way to South Carolina, where it now reproduces on its own in the wild. It’s quite remarkable how plants can travel across continents and establish themselves in new territories, though this particular species hasn’t spread very far from its single documented state.

  • Species observed
  • No observations

Should You Grow It in Your Garden?

Here’s where things get a bit tricky. While woodland passionflower isn’t currently listed as invasive or noxious, there’s surprisingly little information available about its garden performance, growing requirements, or potential benefits to wildlife. This lack of information, combined with its non-native status, makes it a questionable choice for most gardeners.

Better Native Alternatives

Instead of taking a gamble on this mysterious species, why not consider some fantastic native passionflower options that are proven garden performers?

  • Purple Passionflower (Passiflora incarnata) – A stunning native climber with intricate purple and white flowers
  • Yellow Passionflower (Passiflora lutea) – A more subtle native option with small yellow-green flowers
  • Red Passionflower (Passiflora coccinea) – Where native, offers brilliant red blooms

These native alternatives not only provide reliable garden performance but also support local ecosystems by providing food and habitat for native wildlife, including the Gulf Fritillary butterfly whose caterpillars depend on native passionflowers.

The Bottom Line

While woodland passionflower might sound intriguing, its limited distribution, unknown garden qualities, and non-native status make it a less-than-ideal choice for most gardeners. Your garden space is precious real estate – why not fill it with well-documented native plants that you know will thrive and support local wildlife? Save the mystery plants for botanical researchers and stick with proven native beauties that will reward you with reliable performance and ecological benefits.

If you’re drawn to the unique beauty of passionflowers, explore the wonderful world of native species instead. Your local pollinators, and your garden’s success rate, will thank you!

Passiflora morifolia is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Passiflora morifolia is also known as:

Passiflora warmingii | USDA symbol: PAWA2

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Dilleniidae
Order: Violales
Family: Passifloraceae Juss. ex Roussel - Passion-flower family
Genus: Passiflora L. - passionflower

Species: Passiflora morifolia Masters - woodland passionflower

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA