North America Native Plant

Ivey’s Twinpod

Botanical name: Physaria iveyana

USDA symbol: PHIV2

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Ivey’s Twinpod: A Rare New Mexican Treasure Worth Protecting Meet Ivey’s twinpod (Physaria iveyana), a small but mighty native wildflower that’s as rare as it is charming. This little-known member of the mustard family might not win any popularity contests, but for dedicated native plant enthusiasts, it represents something truly ...

Rare plant alert!

Region: Conservation status by state

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) ⚘

Ivey’s Twinpod: A Rare New Mexican Treasure Worth Protecting

Meet Ivey’s twinpod (Physaria iveyana), a small but mighty native wildflower that’s as rare as it is charming. This little-known member of the mustard family might not win any popularity contests, but for dedicated native plant enthusiasts, it represents something truly special – a chance to help preserve one of New Mexico’s most endangered botanical treasures.

What Makes Ivey’s Twinpod Special?

Don’t let its humble appearance fool you. Ivey’s twinpod is a perennial forb that forms low-growing rosettes of leaves, topped with clusters of bright yellow flowers that practically glow in the desert sun. Like other plants in the mustard family, its four-petaled flowers have that classic cross-shaped arrangement that makes them instantly recognizable to wildflower lovers.

This hardy little plant has adapted to some pretty tough conditions, making it a true survivor in the often harsh landscapes of its native New Mexico home.

A Plant on the Edge: Understanding Its Rarity

Important Conservation Note: Ivey’s twinpod carries a Global Conservation Status of S1, meaning it’s critically imperiled with typically five or fewer known populations and fewer than 1,000 individuals remaining in the wild. This makes it one of New Mexico’s most endangered plants.

If you’re considering adding this species to your garden, please only obtain plants or seeds from reputable native plant nurseries that can guarantee responsibly sourced, legally propagated material. Never collect from wild populations.

Where Does It Call Home?

Ivey’s twinpod is endemic to New Mexico, meaning you won’t find it growing naturally anywhere else in the world. This makes it an incredibly special addition for New Mexican gardeners looking to showcase their state’s unique botanical heritage.

Should You Grow Ivey’s Twinpod?

Here’s the honest truth: this isn’t a plant for everyone. But if you’re a dedicated native plant gardener in New Mexico who wants to participate in conservation efforts, Ivey’s twinpod could be a meaningful addition to your landscape. Here’s what to consider:

Reasons to Grow It:

  • Support conservation of a critically endangered species
  • Showcase truly local native flora
  • Attract native pollinators with its bright yellow flowers
  • Low maintenance once established
  • Drought tolerant and adapted to harsh conditions
  • Perfect for specialized native plant or rock gardens

Challenges to Consider:

  • Extremely limited availability due to rarity
  • Requires specific growing conditions
  • Not widely known or available in nurseries
  • Best suited for experienced native plant gardeners

Growing Conditions and Care

If you’re lucky enough to source Ivey’s twinpod responsibly, here’s what this rare beauty needs to thrive:

Ideal Growing Conditions:

  • Sunlight: Full sun exposure
  • Soil: Well-draining, sandy or rocky soils
  • Water: Drought tolerant once established; avoid overwatering
  • Climate: Adapted to New Mexico’s high desert conditions

Planting and Care Tips:

  • Plant in spring after last frost
  • Ensure excellent drainage – soggy soil is this plant’s enemy
  • Water sparingly during establishment, then rely on natural rainfall
  • Avoid fertilizers, which can harm native plants adapted to poor soils
  • Mulch lightly with gravel or sand rather than organic mulch
  • Allow plants to self-seed to support local populations

Garden Design Ideas

Ivey’s twinpod works best in:

  • Native plant demonstration gardens
  • Rock gardens with other high-desert natives
  • Educational or conservation-focused landscapes
  • Xeriscapes emphasizing New Mexican flora
  • Small-scale specialty gardens for plant collectors

Supporting Conservation Through Gardening

Growing Ivey’s twinpod isn’t just about adding another plant to your garden – it’s about becoming part of a conservation effort. By cultivating this rare species responsibly, you’re helping preserve genetic diversity and potentially providing seeds for future restoration efforts.

Consider connecting with local native plant societies, botanical gardens, or conservation organizations that might be working to protect this species. Your garden could become part of a larger network supporting New Mexico’s rare flora.

The Bottom Line

Ivey’s twinpod might not be the showiest plant you’ll ever grow, but it offers something increasingly rare in our world – a connection to a truly unique piece of New Mexico’s natural heritage. If you’re an experienced native gardener ready to take on the responsibility of growing a critically imperiled species, this little yellow-flowered treasure could be a deeply rewarding addition to your landscape.

Just remember: with great rarity comes great responsibility. Only source plants through legitimate channels, and consider yourself a steward of one of the Southwest’s most precious botanical gems.

Ivey’s Twinpod

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Capparales

Family

Brassicaceae Burnett - Mustard family

Genus

Physaria (Nutt. ex Torr. & A. Gray) A. Gray - twinpod

Species

Physaria iveyana O'Kane, K.N. Sm. & K.A. Arp - Ivey's twinpod

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