North America Non-native Plant

Hymenopappus Flavomarginatus

Botanical name: Hymenopappus flavomarginatus

USDA symbol: HYFL7

Native status: Not native but doesn't reproduce and persist in the wild

Hymenopappus flavomarginatus: A Mystery Plant Worth Investigating If you’ve stumbled across the name Hymenopappus flavomarginatus in your native plant research, you might be scratching your head trying to find more information about this particular species. You’re not alone! This plant name presents quite the botanical puzzle that’s worth exploring. The ...

Hymenopappus flavomarginatus: A Mystery Plant Worth Investigating

If you’ve stumbled across the name Hymenopappus flavomarginatus in your native plant research, you might be scratching your head trying to find more information about this particular species. You’re not alone! This plant name presents quite the botanical puzzle that’s worth exploring.

The Mystery Behind the Name

While the genus Hymenopappus is well-known among native plant enthusiasts—these are the delightful woollywhite plants that grace many North American landscapes—the specific epithet flavomarginatus doesn’t appear in current botanical literature as a recognized species. This creates an interesting dilemma for gardeners who may have encountered this name.

What We Know About the Hymenopappus Genus

The Hymenopappus genus belongs to the sunflower family (Asteraceae) and includes several wonderful native species that are definitely worth considering for your garden:

  • These plants typically produce clusters of small, white or cream-colored flowers
  • They’re known for their woolly or fuzzy foliage that gives them their common name
  • Most species are adapted to dry, well-draining soils
  • They generally prefer full sun conditions
  • Many are excellent pollinator plants

A Gardener’s Dilemma

Without verified information about Hymenopappus flavomarginatus specifically, it’s impossible to provide accurate growing advice or determine its native status and geographical distribution. This uncertainty means we can’t confidently recommend planting it or provide proper care instructions.

Better Alternatives to Consider

Instead of puzzling over this mysterious plant name, consider these well-documented Hymenopappus species that you can confidently add to your native garden:

  • Hymenopappus scabiosaeus (Old Plainsman) – A biennial with showy white flowers
  • Hymenopappus artemisiifolius (Woollywhite) – Features distinctive divided leaves
  • Hymenopappus filifolius (Fine-leaf Woollywhite) – Perfect for xeriscaping

What Should You Do?

If you’ve encountered Hymenopappus flavomarginatus in plant databases or nursery catalogs, here’s what we recommend:

  • Double-check the source and ask for clarification about the plant’s identity
  • Request photos or additional documentation
  • Consider consulting with local botanists or extension offices
  • Look into the verified Hymenopappus species mentioned above instead

The Importance of Accurate Plant Names

This situation highlights why botanical accuracy matters in native gardening. Using correct plant names ensures you’re getting the right species for your garden’s conditions and conservation goals. It also helps avoid confusion when sharing information with other gardeners or requesting plants from nurseries.

While the mystery of Hymenopappus flavomarginatus remains unsolved, don’t let this deter you from exploring the wonderful world of native woollywhites. The confirmed species in this genus offer plenty of beauty and ecological benefits for any native plant garden!

Hymenopappus Flavomarginatus

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Hymenopappus L'Hér. - hymenopappus

Species

Hymenopappus flavomarginatus I.M. Johnst. [excluded]

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