Native Plants

Partridge Pea

Chamaecrista fasciculata var. macrosperma

USDA symbol: CHFAM2

annual forb

Lower 48 states: native

If you’re looking to add some native charm to your garden while supporting local ecosystems, partridge pea (Chamaecrista fasciculata var. macrosperma) might just be the delightful annual you’ve been searching for. This lesser-known variety of the beloved partridge pea brings all the benefits of native gardening to a surprisingly compact ...

Partridge Pea may be listed as rare in your area.
Global Conservation Status

Status: S5T3 | Secure: At low or no risk of extinction in the area due to an extensive range, abundant populations, and with little to no concern of declines or threats.

Partridge Pea: A Native Annual Worth Getting to Know

If you’re looking to add some native charm to your garden while supporting local ecosystems, partridge pea (Chamaecrista fasciculata var. macrosperma) might just be the delightful annual you’ve been searching for. This lesser-known variety of the beloved partridge pea brings all the benefits of native gardening to a surprisingly compact geographic range.

What Makes This Partridge Pea Special?

Partridge pea belongs to the legume family and grows as what botanists call a forb – basically a fancy way of saying it’s a soft-stemmed plant (not woody like a shrub) that dies back each year. As an annual, this plant completes its entire life cycle in one growing season, making it a fast-acting addition to your garden that won’t overstay its welcome.

You might also encounter this plant listed under its former scientific name, Cassia fasciculata var. macrosperma, though the botanical world has since updated its classification.

Where Does It Call Home?

This particular variety of partridge pea has a fairly exclusive address – you’ll find it naturally occurring in just two states: Maryland and Virginia. This limited native range makes it a true regional specialty, perfect for gardeners in these areas who want to showcase their local flora.

  • Species observed
  • No observations

A Word About Rarity

Here’s something important to consider: this variety carries a Global Conservation Status of S5T3, which indicates it has some conservation considerations. If you’re interested in growing partridge pea, make sure you source your seeds or plants responsibly from reputable native plant suppliers who practice sustainable collection methods. Never collect from wild populations!

Why Consider Growing Partridge Pea?

There are several compelling reasons to welcome this native annual into your garden:

  • It’s a true native species, meaning it evolved alongside local wildlife and fits naturally into regional ecosystems
  • As a legume, it can actually improve your soil by fixing nitrogen
  • Being an annual, it offers flexibility in your garden design from year to year
  • Its native status means it’s adapted to local climate conditions

Garden Design Considerations

Since specific growing information for this variety is limited, it’s best to treat it like other members of the partridge pea family. These plants generally work well in:

  • Native plant gardens
  • Wildflower meadows
  • Areas where you want to support local ecosystems
  • Spots that could benefit from soil improvement (thanks to those nitrogen-fixing abilities)

The Bottom Line

Chamaecrista fasciculata var. macrosperma represents a wonderful opportunity for gardeners in Maryland and Virginia to grow something truly local and special. While we don’t have detailed growing guides for this specific variety, its annual nature means you can experiment without making a long-term commitment.

Just remember to source it responsibly due to its conservation status, and consider it as part of a broader native gardening approach that celebrates the unique plants of the Mid-Atlantic region. Sometimes the most rewarding plants to grow are the ones that connect us most directly to our local landscapes.

Chamaecrista fasciculata var. macrosperma is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Chamaecrista fasciculata var. macrosperma is also known as:

Cassia fasciculata var. macrosperma | USDA symbol: CAFAM

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Rosidae
Order: Fabales
Family: Fabaceae Lindl. - Pea family
Genus: Chamaecrista (L.) Moench - sensitive pea

Species: Chamaecrista fasciculata (Michx.) Greene - partridge pea

Variety: Chamaecrista fasciculata (Michx.) Greene var. macrosperma (Fernald) C.F. Reed - partridge pea

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