North America Non-native Plant

Sensitive Partridge Pea

Botanical name: Chamaecrista nictitans nictitans var. jaliscensis

USDA symbol: CHNIJ2

Life cycle: annual

Habit: subshrub

Native status: Not native but doesn't reproduce and persist in the wild

Sensitive Partridge Pea: A Little-Known Native Wildflower Meet Chamaecrista nictitans nictitans var. jaliscensis, commonly known as the sensitive partridge pea or simply sensitive plant. This intriguing little wildflower belongs to the legume family and offers some unique characteristics that might catch your eye—if you can find information about it! What ...

Sensitive Partridge Pea: A Little-Known Native Wildflower

Meet Chamaecrista nictitans nictitans var. jaliscensis, commonly known as the sensitive partridge pea or simply sensitive plant. This intriguing little wildflower belongs to the legume family and offers some unique characteristics that might catch your eye—if you can find information about it!

What Makes This Plant Special?

The sensitive partridge pea gets its name from its fascinating ability to respond to touch. Like its cousin the mimosa, this plant can fold its delicate compound leaves when disturbed, giving it that sensitive quality that never fails to delight curious gardeners and nature lovers.

As a forb herb, this plant lacks the woody tissue you’d find in shrubs or trees. Instead, it produces fresh, herbaceous growth each season, with perennating buds that survive at or below ground level through challenging conditions.

The Mystery of Its Origins

Here’s where things get a bit puzzling. While we know this variety exists in botanical records, specific information about its native range and distribution is surprisingly scarce. This particular variety appears to be quite specialized, and detailed growing information isn’t readily available in standard gardening resources.

Annual or Perennial? That’s the Question

One interesting aspect of this plant is its flexible life cycle—it can behave as either an annual or perennial depending on conditions. This adaptability suggests it might be more resilient than you’d expect, though without specific growing data, it’s hard to say exactly what conditions favor each growth pattern.

Should You Try Growing It?

This is where we hit a bit of a roadblock. Due to the limited information available about this specific variety, it’s challenging to provide concrete growing advice or even determine whether it’s readily available in the nursery trade.

If you’re interested in sensitive plants with similar characteristics, you might consider:

  • The more common partridge pea (Chamaecrista fasciculata)
  • Wild sensitive plant (Mimosa microphylla)
  • Other native legumes in your region

The Bottom Line

While the sensitive partridge pea sounds like a fascinating addition to any native plant garden, the lack of specific cultivation information makes it a challenging choice for most gardeners. If you’re determined to grow this particular variety, you might need to connect with specialized native plant societies or botanical institutions that work with rare or uncommon varieties.

Sometimes the most intriguing plants are also the most elusive—and that might just be part of their charm!

Sensitive Partridge Pea

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

Chamaecrista (L.) Moench - sensitive pea

Species

Chamaecrista nictitans (L.) Moench - sensitive 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