North America Native Plant

Curlyhead Goldenweed

Botanical name: Pyrrocoma crocea var. genuflexa

USDA symbol: PYCRG

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Haplopappus croceus A. Gray var. genuflexus (Greene) S.F. Blake (HACRG)  âš˜  Pyrrocoma genuflexa Greene (PYGE3)   

Curlyhead Goldenweed: A Rare Arizona Native Worth Knowing Meet curlyhead goldenweed (Pyrrocoma crocea var. genuflexa), a fascinating native perennial that calls Arizona home. While you might not find this plant at your local garden center, this unique variety of goldenweed deserves recognition for its role in Arizona’s natural landscapes and ...

Rare plant alert!

Region: Conservation status by state

Status: S4?T3T4: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ Subspecies or variety is vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals. ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘ Subspecies or varieties is apparently secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the region or more than 10,000 individuals ⚘

Curlyhead Goldenweed: A Rare Arizona Native Worth Knowing

Meet curlyhead goldenweed (Pyrrocoma crocea var. genuflexa), a fascinating native perennial that calls Arizona home. While you might not find this plant at your local garden center, this unique variety of goldenweed deserves recognition for its role in Arizona’s natural landscapes and potential value for dedicated native plant enthusiasts.

What Makes Curlyhead Goldenweed Special

Curlyhead goldenweed is a perennial forb, which means it’s a non-woody plant that comes back year after year. As a member of the sunflower family, it likely produces cheerful yellow blooms that add brightness to the desert landscape. The curlyhead portion of its common name hints at an interesting flower or seed head characteristic that sets it apart from other goldenweeds.

You might also encounter this plant listed under its botanical synonyms, including Haplopappus croceus var. genuflexus or Pyrrocoma genuflexa, so don’t let the different names confuse you – they’re all referring to the same special plant.

Where Does It Grow?

This goldenweed variety is exclusively found in Arizona, making it a true regional specialty. As a plant native to the lower 48 states, it has evolved specifically to thrive in Arizona’s unique climate and soil conditions.

Important Conservation Considerations

Here’s something crucial for any gardener to know: curlyhead goldenweed has a conservation status that suggests it may be uncommon or vulnerable. Before considering adding this plant to your landscape, it’s essential to source it responsibly. This means:

  • Only purchasing from reputable native plant nurseries
  • Never collecting plants from wild populations
  • Ensuring any plants you acquire are legally and ethically sourced
  • Supporting conservation efforts for Arizona’s native flora

Should You Grow Curlyhead Goldenweed?

If you’re an Arizona gardener passionate about native plants and committed to responsible sourcing, curlyhead goldenweed could be an intriguing addition to your landscape. As a native perennial, it’s naturally adapted to local conditions and likely requires less water and maintenance than non-native alternatives once established.

However, given its rarity status, this plant is probably best suited for:

  • Dedicated native plant enthusiasts
  • Conservation-minded gardeners
  • Specialty native plant collections
  • Educational or demonstration gardens

Growing Conditions and Care

While specific cultivation information for this variety is limited, we can make some educated assumptions based on its Arizona origins and forb characteristics. Curlyhead goldenweed likely prefers:

  • Well-draining soils typical of Arizona landscapes
  • Full sun to partial shade conditions
  • Minimal supplemental watering once established
  • Natural rainfall patterns of its native region

As with most native Arizona plants, the key is probably providing good drainage and avoiding overwatering, which can be detrimental to desert-adapted species.

The Bottom Line

Curlyhead goldenweed represents the specialized beauty of Arizona’s native flora. While it may not be the easiest plant to find or grow, it offers dedicated native plant gardeners a chance to cultivate something truly special and regionally significant. If you’re interested in this plant, connect with local native plant societies, botanical gardens, or specialized nurseries who can guide you toward responsible acquisition and proper care.

Remember, every native plant we successfully cultivate and protect contributes to preserving Arizona’s unique botanical heritage for future generations. Sometimes the rarest treasures are the most rewarding to grow!

Curlyhead 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 crocea (A. Gray) Greene - curlyhead goldenweed

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