North America Native Plant

Narrowleaf Hoarypea

Botanical name: Tephrosia angustissima

USDA symbol: TEAN

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Narrowleaf Hoarypea: A Critically Rare Florida Native Worth Protecting Meet the narrowleaf hoarypea (Tephrosia angustissima), one of Florida’s most endangered wildflowers that deserves a spot in every conservation-minded gardener’s heart. This delicate perennial herb might not be the showiest plant in your garden, but it carries the weight of being ...

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) ⚘

Narrowleaf Hoarypea: A Critically Rare Florida Native Worth Protecting

Meet the narrowleaf hoarypea (Tephrosia angustissima), one of Florida’s most endangered wildflowers that deserves a spot in every conservation-minded gardener’s heart. This delicate perennial herb might not be the showiest plant in your garden, but it carries the weight of being one of nature’s rarest treasures.

Why This Little Plant Matters So Much

Here’s the thing about narrowleaf hoarypea – it’s critically imperiled with a Global Conservation Status of S1. That means there are typically only five or fewer known populations left in the wild, with fewer than 1,000 individual plants remaining. When you plant this species, you’re not just adding a pretty wildflower to your garden; you’re participating in conservation efforts to save a species from extinction.

Where You’ll Find This Florida Native

Narrowleaf hoarypea is endemic to Florida, making it a true Sunshine State specialty. This native perennial originally called Florida’s scrub habitats home, thriving in the sandy soils and bright conditions that characterize these unique ecosystems.

What Makes It Special in the Garden

Don’t expect this plant to dominate your landscape – narrowleaf hoarypea is all about subtle charm. As a forb herb, it produces delicate clusters of small purple to pink pea-like flowers that dance above narrow, linear leaves. The overall appearance is wispy and graceful, perfect for adding texture and native authenticity to specialized plantings.

Perfect Garden Roles for This Rare Beauty

Narrowleaf hoarypea shines in:

  • Native plant gardens focused on Florida species
  • Restoration projects recreating scrub habitats
  • Educational gardens highlighting rare plants
  • Specialized collections for serious native plant enthusiasts

Pollinator and Wildlife Benefits

Like other members of the legume family, narrowleaf hoarypea attracts native bees and butterflies with its protein-rich pollen and nectar. These pollinators are often the key to the plant’s reproduction, making every garden specimen a potential lifeline for both the plant and its pollinator partners.

Growing Conditions That Make It Happy

This Florida native thrives in USDA hardiness zones 9-11, perfectly suited to Florida’s climate. Give it:

  • Sandy, well-draining soil (think scrub habitat conditions)
  • Full sun to partial shade
  • Minimal water once established – it’s quite drought tolerant
  • Space to spread as a low-growing perennial

Planting and Care Tips

Here’s where responsible gardening becomes crucial. If you’re committed to growing narrowleaf hoarypea, source your plants or seeds only from reputable native plant nurseries or conservation organizations. Never collect from wild populations – remember, there are fewer than 1,000 plants left!

Once you have responsibly sourced material:

  • Plant in sandy, well-amended soil that drains quickly
  • Water regularly until established, then reduce to minimal supplemental watering
  • Avoid fertilizers – this plant is adapted to nutrient-poor soils
  • Allow natural reseeding if you’re lucky enough to get viable seeds

The Bottom Line: Should You Grow It?

If you’re a serious native plant gardener in Florida with access to responsibly sourced plants, absolutely yes! Growing narrowleaf hoarypea is an act of conservation. However, this isn’t a plant for casual gardeners – it requires commitment to proper sourcing and understanding of its rare status.

For most gardeners looking to support native plants and pollinators, consider starting with more common native alternatives that can provide similar benefits without the conservation concerns. But if you’re ready to be part of saving one of Florida’s rarest plants, narrowleaf hoarypea might just be your calling.

Narrowleaf Hoarypea

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Fabales

Family

Fabaceae Lindl. - Pea family

Genus

Tephrosia Pers. - hoarypea

Species

Tephrosia angustissima Shuttlw. ex Chapm. - narrowleaf hoarypea

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