North America Native Plant

Plantain Goldenweed

Botanical name: Pyrrocoma uniflora var. gossypina

USDA symbol: PYUNG

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Haplopappus uniflorus (Hook.) Torr. & A. Gray ssp. gossypinus (Greene) H.M. Hall (HAUNG)  âš˜  Pyrrocoma gossypina Greene (PYGO2)   

Plantain Goldenweed: A Rare California Native Worth Protecting Meet Pyrrocoma uniflora var. gossypina, better known as plantain goldenweed – a perennial wildflower that’s as rare as it is beautiful. This little-known California native deserves a spot on every native plant enthusiast’s radar, though finding it might be quite the treasure ...

Rare plant alert!

Region: Conservation status by state

Status: S5T1: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Plantain Goldenweed: A Rare California Native Worth Protecting

Meet Pyrrocoma uniflora var. gossypina, better known as plantain goldenweed – a perennial wildflower that’s as rare as it is beautiful. This little-known California native deserves a spot on every native plant enthusiast’s radar, though finding it might be quite the treasure hunt!

What Makes Plantain Goldenweed Special?

Plantain goldenweed is a herbaceous perennial forb, meaning it’s a non-woody plant that comes back year after year. Like many members of the sunflower family (Asteraceae), it produces cheerful yellow blooms that add a splash of golden color to the landscape. This plant has quite the botanical resume too – you might also see it listed under its synonyms Haplopappus uniflorus ssp. gossypinus or Pyrrocoma gossypina in older references.

Where Does It Call Home?

This native beauty is found exclusively in California, making it a true Golden State endemic. Its natural range is quite limited, which brings us to an important point about its conservation status.

A Word of Caution: Rarity Alert

Here’s where things get serious, plant lovers. Plantain goldenweed has a Global Conservation Status of S5T1, indicating it’s critically imperiled. This means the variety is extremely rare and faces a high risk of extinction. If you’re considering adding this plant to your garden, please – and we cannot stress this enough – only use responsibly sourced material from reputable native plant nurseries or seed sources.

Why Grow Plantain Goldenweed?

Despite its rarity (or perhaps because of it), there are compelling reasons to consider this native:

  • Support biodiversity by growing rare California natives
  • Contribute to conservation efforts through responsible cultivation
  • Add authentic local character to native plant gardens
  • Likely provides nectar for native pollinators
  • Low-maintenance once established (typical of native plants)

Garden Design Ideas

Plantain goldenweed would be most at home in:

  • Native California plant gardens
  • Wildflower meadows
  • Conservation-focused landscapes
  • Educational demonstration gardens

Growing Conditions and Care

While specific growing requirements for this variety aren’t well-documented, we can make educated guesses based on its genus and California origins. Plantain goldenweed likely prefers:

  • Full sun exposure
  • Well-draining soil
  • Minimal summer water once established
  • USDA hardiness zones 8-10

As with most California natives, avoid overwatering during summer months, as this can lead to root rot and other issues.

The Bottom Line

Plantain goldenweed represents both an opportunity and a responsibility. While it could make a wonderful addition to the right native garden, its rarity means we must approach it with respect and caution. If you’re lucky enough to find responsibly sourced plants or seeds, you’ll be participating in an important conservation effort while adding a truly special California native to your landscape.

Remember: when it comes to rare plants like this one, every garden can become a small sanctuary. Choose wisely, source responsibly, and help keep California’s botanical heritage alive for future generations to enjoy.

Plantain Goldenweed

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

Pyrrocoma Hook. - goldenweed

Species

Pyrrocoma uniflora (Hook.) Greene - plantain goldenweed

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