North America Native Plant

Wilkinson’s Nailwort

Botanical name: Paronychia wilkinsonii

USDA symbol: PAWI3

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Wilkinson’s Nailwort: A Rare Texas Native Worth Protecting If you’re a native plant enthusiast with a passion for rare species, you may have stumbled across Wilkinson’s nailwort (Paronychia wilkinsonii). This little-known Texas native is one of those plants that makes you appreciate the incredible diversity hidden in our local ecosystems ...

Rare plant alert!

Region: Conservation status by state

Status: S2: Status is uncertain but is somewhere between the following rankings: Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘

Wilkinson’s Nailwort: A Rare Texas Native Worth Protecting

If you’re a native plant enthusiast with a passion for rare species, you may have stumbled across Wilkinson’s nailwort (Paronychia wilkinsonii). This little-known Texas native is one of those plants that makes you appreciate the incredible diversity hidden in our local ecosystems – even if it’s not exactly what you’d call a showstopper for your average garden.

What Is Wilkinson’s Nailwort?

Wilkinson’s nailwort is a perennial forb – essentially a non-woody plant that comes back year after year. Like other herbs and forbs, it lacks the woody stems you’d find on shrubs and trees, instead producing soft, herbaceous growth that dies back and regrows from buds at or below ground level.

Where Does It Grow?

This native plant calls Texas home and is found nowhere else in the United States. Its extremely limited range is part of what makes it so special – and so vulnerable.

Why This Plant Needs Our Attention

Here’s where things get serious: Wilkinson’s nailwort has a Global Conservation Status of S2, which means it’s considered imperiled. With typically only 6 to 20 known occurrences and potentially just 1,000 to 3,000 individual plants remaining, this species is walking a tightrope toward extinction.

What makes it so rare? Like many imperiled plants, it’s likely facing threats from habitat loss, development, and possibly climate change. Its extremely limited range means that any disturbance to its native habitat could have devastating consequences for the entire species.

Should You Grow Wilkinson’s Nailwort?

This is where responsible gardening comes into play. While supporting rare native plants is admirable, there are important considerations:

  • Only use responsibly sourced material: Never collect plants or seeds from wild populations – this could further threaten the species
  • Work with reputable native plant societies: If you’re interested in growing this plant, connect with Texas native plant organizations who may have ethical propagation programs
  • Consider alternatives: Other Paronychia species or similar native Texas forbs might give you a comparable ecological benefit without the conservation concerns

The Challenge of Growing Rare Plants

Unfortunately, detailed growing information for Wilkinson’s nailwort is scarce – which is typical for extremely rare plants that haven’t been widely studied or cultivated. We don’t have specific data on its preferred growing conditions, hardiness zones, or care requirements.

This lack of information presents both a challenge and an opportunity. If you’re an experienced native plant gardener with a research mindset, working with conservation organizations to help document this plant’s cultivation requirements could contribute valuable knowledge to its preservation.

A Conservation Perspective

Rather than focusing on how to grow Wilkinson’s nailwort, perhaps we should focus on how to protect it. Supporting habitat conservation in Texas, contributing to native plant societies, and spreading awareness about rare species are all ways to help ensure that future generations might have the chance to appreciate this unique plant.

Sometimes the best way to love a plant is to appreciate it from afar while working to preserve the wild spaces it calls home. Wilkinson’s nailwort reminds us that not every plant needs to be in our garden to be worth our attention and care.

The Bigger Picture

While Wilkinson’s nailwort might not be destined for your backyard flower bed, its story highlights the incredible – and fragile – diversity of our native plant communities. Every rare species like this one represents thousands of years of evolution and adaptation to specific local conditions.

As gardeners and nature lovers, we can honor plants like Wilkinson’s nailwort by making space for other Texas natives in our landscapes, supporting conservation efforts, and remembering that sometimes the most precious plants are the ones we work to preserve in their natural homes rather than in our cultivated spaces.

Wilkinson’s Nailwort

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

Caryophyllaceae Juss. - Pink family

Genus

Paronychia Mill. - nailwort

Species

Paronychia wilkinsonii S. Watson - Wilkinson's nailwort

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