North America Non-native Plant

Digitaria Stenotaphrodes

Botanical name: Digitaria stenotaphrodes

USDA symbol: DIST

Life cycle: perennial

Habit: grass

Native status: Non-native, reproduces and persists in the wild in Pacific Basin excluding Hawaii  

Digitaria stenotaphrodes: A Little-Known Pacific Grass If you’ve stumbled across the name Digitaria stenotaphrodes, you’re likely dealing with one of the more obscure members of the grass family. This perennial grass species isn’t exactly what you’d call a household name in gardening circles, and there’s a good reason for that ...

Digitaria stenotaphrodes: A Little-Known Pacific Grass

If you’ve stumbled across the name Digitaria stenotaphrodes, you’re likely dealing with one of the more obscure members of the grass family. This perennial grass species isn’t exactly what you’d call a household name in gardening circles, and there’s a good reason for that – it’s not commonly cultivated and information about it is surprisingly scarce.

What We Know About This Mysterious Grass

Digitaria stenotaphrodes belongs to the graminoid group, which is a fancy way of saying it’s a grass or grass-like plant. As a perennial, it has the staying power to return year after year, unlike its annual cousins that complete their life cycle in a single growing season.

This species falls into the same genus as crabgrass (Digitaria), so if you’re familiar with those common lawn weeds, you might have some idea of the general plant family we’re dealing with, though this particular species has its own unique characteristics.

Where Does It Call Home?

Here’s where things get interesting – and a bit limited. Digitaria stenotaphrodes has been documented in Guam and the U.S. Minor Outlying Islands. This extremely restricted distribution makes it quite the botanical curiosity, found only in these Pacific locations.

The species is classified as non-native and introduced in the Pacific Basin (excluding Hawaii), meaning it originally came from somewhere else and has established itself in these new territories.

Should You Consider Growing It?

This is where things get tricky. With such limited information available about this grass species, including unknown growing requirements, hardiness zones, and cultivation needs, it’s not exactly a go-to choice for most gardeners. The lack of readily available seeds or plants also makes it impractical for typical landscaping projects.

Since this is a non-native species with an unclear ecological impact, you might want to consider native grass alternatives instead. Native grasses are typically:

  • Better adapted to local growing conditions
  • More supportive of local wildlife and pollinators
  • Often easier to source and grow
  • Less likely to cause unexpected ecological disruptions

The Mystery of Limited Information

Sometimes in the plant world, you encounter species like Digitaria stenotaphrodes that seem to exist in the shadows of botanical documentation. This could be due to several factors:

  • Extremely limited natural distribution
  • Lack of horticultural interest or commercial value
  • Relatively recent taxonomic classification
  • Simply being overlooked by researchers and gardeners alike

What This Means for Gardeners

Unless you’re a botanical researcher, grass specialist, or happen to live in one of the few places where this species occurs naturally, Digitaria stenotaphrodes probably isn’t going to be part of your gardening journey. And that’s perfectly fine!

The gardening world is full of better-documented, more readily available grass species that can provide beauty, function, and ecological benefits to your landscape. If you’re interested in adding grasses to your garden, consider exploring native species in your area that offer known benefits and growing requirements.

Sometimes the most interesting plants are the ones that remain mysterious, existing quietly in their small corners of the world while we focus on the species that are ready to thrive in our gardens.

Digitaria Stenotaphrodes

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Commelinidae

Order

Cyperales

Family

Poaceae Barnhart - Grass family

Genus

Digitaria Haller - crabgrass

Species

Digitaria stenotaphrodes (Nees ex Steud.) Stapf

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