North America Native Plant

Mariposa Pussypaws

Botanical name: Cistanthe pulchella

USDA symbol: CIPU5

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Calyptridium pulchellum (Eastw.) Hoover (CAPU28)   

Mariposa Pussypaws: A Rare California Gem Worth Protecting If you’re drawn to rare and delicate native wildflowers, Mariposa pussypaws (Cistanthe pulchella) might capture your heart—but this little beauty comes with some serious conservation considerations. This charming annual is one of California’s most endangered wildflowers, making it both a treasure and ...

Rare plant alert!

Region: United States

Status: S1: Status is uncertain but is somewhere between the following rankings: 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) ⚘ Threatened: Experiencing significant population decline or habitat loss that could lead to its endangerment if not addressed. ⚘

Region: United States

Mariposa Pussypaws: A Rare California Gem Worth Protecting

If you’re drawn to rare and delicate native wildflowers, Mariposa pussypaws (Cistanthe pulchella) might capture your heart—but this little beauty comes with some serious conservation considerations. This charming annual is one of California’s most endangered wildflowers, making it both a treasure and a responsibility for native plant enthusiasts.

What Makes Mariposa Pussypaws Special

Mariposa pussypaws is a petite annual forb that produces clusters of small, pink to white flowers that seem to dance above its low-growing foliage. The common name pussypaws refers to the soft, fuzzy appearance of the flower clusters, while Mariposa connects it to its limited California range. This delicate wildflower typically grows just a few inches tall, making it perfect for close-up appreciation in specialized garden settings.

Botanically known as Cistanthe pulchella, this plant was formerly classified as Calyptridium pulchellum, so you might find it listed under either name in older references.

A California Endemic in Crisis

Mariposa pussypaws is found exclusively in California, making it a true Golden State endemic. However, its distribution is extremely limited, which is why it carries such significant conservation concern.

This rare wildflower has earned a Global Conservation Status of S1, meaning it’s critically imperiled with typically five or fewer known populations remaining. In the United States, it’s officially listed as Threatened—a status that reflects just how precarious this species’ survival has become.

Should You Grow Mariposa Pussypaws?

Here’s where things get serious: if you’re considering adding this rare beauty to your garden, you absolutely must ensure any plant material is responsibly sourced. This means:

  • Purchasing only from reputable native plant nurseries that propagate their own stock
  • Never collecting seeds or plants from wild populations
  • Verifying that any source material comes from legal, sustainable propagation programs
  • Supporting conservation efforts for this species

Given its rarity, Mariposa pussypaws isn’t a casual garden choice—it’s a conservation commitment. If you decide to grow it, you’re essentially becoming a steward for one of California’s most endangered wildflowers.

Growing Conditions and Care

If you’re ready to take on the responsibility of growing this rare annual, here’s what Mariposa pussypaws needs to thrive:

Climate Requirements: This plant is suited for USDA hardiness zones 8-10, thriving in Mediterranean climates similar to its native California habitat.

Soil and Drainage: Excellent drainage is absolutely crucial. Mariposa pussypaws prefers sandy, well-draining soils and will quickly succumb to root rot in heavy or waterlogged conditions.

Sun and Water: Full sun exposure is preferred, and once established, this drought-tolerant annual requires minimal supplemental watering. Overwatering is more likely to kill it than drought.

Garden Role: Use Mariposa pussypaws as a specialized ground cover in native California gardens, rock gardens, or conservation-focused landscapes where its delicate beauty can be appreciated up close.

Planting and Care Tips

  • Direct seed in fall for spring germination, mimicking natural cycles
  • Ensure perfect drainage—consider raised beds or rocky slopes
  • Avoid fertilizing, as this plant is adapted to poor soils
  • Allow natural self-seeding to occur for population sustainability
  • Protect seedlings from foot traffic and disturbance

Supporting Pollinators and Wildlife

Despite its small stature, Mariposa pussypaws provides nectar for small native bees and other tiny pollinators. By growing this rare species responsibly, you’re not only supporting the plant’s survival but also providing resources for the specialized pollinators that depend on California’s native flora.

A Conservation Opportunity

Growing Mariposa pussypaws isn’t just about adding another pretty flower to your garden—it’s about participating in conservation. Every responsibly grown population helps preserve the genetic diversity of this critically endangered species. If you’re not ready for this level of commitment, consider supporting conservation organizations working to protect California’s rare plants, or choose other beautiful California natives that aren’t facing extinction.

For those who do choose to grow this rare gem, you’ll be rewarded with one of California’s most delicate and endangered wildflowers—and the satisfaction of knowing you’re helping keep a piece of natural heritage alive for future generations.

Mariposa Pussypaws

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Caryophyllidae

Order

Caryophyllales

Family

Portulacaceae Dumort. - Purslane family

Genus

Cistanthe Spach - pussypaws

Species

Cistanthe pulchella (Eastw.) Hershkovitz - Mariposa pussypaws

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