North America Native Plant

Texan Fumewort

Botanical name: Corydalis micrantha texensis

USDA symbol: COMIT2

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Corydalis micrantha (Engelm. ex A. Gray) A. Gray var. texensis (G.B. Ownbey) Shinners (COMIT)   

Texan Fumewort: A Delicate Native Annual Worth Discovering If you’re on the hunt for lesser-known native Texas wildflowers, let me introduce you to Texan fumewort (Corydalis micrantha texensis). This charming little annual might not be the showiest plant in your garden, but it’s got that understated elegance that native plant ...

Texan Fumewort: A Delicate Native Annual Worth Discovering

If you’re on the hunt for lesser-known native Texas wildflowers, let me introduce you to Texan fumewort (Corydalis micrantha texensis). This charming little annual might not be the showiest plant in your garden, but it’s got that understated elegance that native plant enthusiasts absolutely adore.

What Exactly Is Texan Fumewort?

Texan fumewort is a delicate annual forb—basically a soft-stemmed flowering plant that completes its entire life cycle in one growing season. It belongs to the fumitory family and is specifically native to Texas, making it a true Lone Star state original. You might also see it listed in botanical references as Corydalis micrantha var. texensis, as scientists sometimes shuffle these names around.

Where Does It Call Home?

This little beauty is exclusively found in Texas, where it grows as part of the state’s diverse native flora. As a plant that’s native to the lower 48 states, specifically Texas, it’s perfectly adapted to the unique growing conditions of its home range.

Why Consider Growing Texan Fumewort?

Here’s the thing about Texan fumewort—it’s not your typical garden center find. This plant appeals to gardeners who:

  • Love collecting rare and unusual native species
  • Want to support truly local biodiversity
  • Appreciate subtle, delicate flowers over bold showstoppers
  • Enjoy the challenge of growing lesser-known natives

The Reality Check

Let’s be honest—Texan fumewort isn’t the easiest plant to find information about, let alone seeds or plants. This subspecies is quite specialized, and there’s limited cultivation information available. Most gardeners interested in growing Corydalis species might have better luck with more widely available relatives.

Growing Conditions (What We Know)

Based on its classification as an annual forb native to Texas, Texan fumewort likely prefers:

  • Well-draining soils typical of Texas landscapes
  • Seasonal moisture patterns that match Texas weather
  • Areas that mimic its natural habitat conditions

Since specific growing requirements aren’t well-documented, any cultivation attempts would need to observe the plant’s natural habitat preferences.

The Bottom Line

Texan fumewort represents the kind of specialized native plant that dedicated wildflower enthusiasts dream about. While it may not be practical for most home gardens due to limited availability and cultivation information, it serves as a reminder of the incredible diversity of native plants right in our own backyards.

If you’re interested in supporting Texas native flora, consider starting with better-documented native alternatives that provide similar ecological benefits while being more accessible for home gardeners. Your local native plant society or extension office can help you identify suitable Texas natives that are easier to source and grow successfully.

Texan Fumewort

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Magnoliidae

Order

Papaverales

Family

Fumariaceae Marquis - Fumitory family

Genus

Corydalis DC. - fumewort

Species

Corydalis micrantha (Engelm. ex A. Gray) A. Gray - smallflower fumewort

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