North America Non-native Plant

Phalaris Truncata

Botanical name: Phalaris truncata

USDA symbol: PHTR9

Habit: grass

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

Phalaris truncata: The Mystery Grass That’s Hard to Pin Down If you’ve stumbled across the name Phalaris truncata while researching native grasses, you’re not alone in scratching your head. This particular member of the grass family (Poaceae) is something of an enigma in the botanical world, with surprisingly little documented ...

Phalaris truncata: The Mystery Grass That’s Hard to Pin Down

If you’ve stumbled across the name Phalaris truncata while researching native grasses, you’re not alone in scratching your head. This particular member of the grass family (Poaceae) is something of an enigma in the botanical world, with surprisingly little documented information available about its specific characteristics and growing requirements.

What We Know (And What We Don’t)

Phalaris truncata belongs to the Phalaris genus, which includes various canary grasses found around the world. Like its relatives, it’s a monocot grass, meaning it has narrow, parallel-veined leaves and produces small, inconspicuous flowers typical of the grass family.

Unfortunately, that’s about where our solid knowledge ends. The common name, native range, and specific growing requirements for this particular species remain largely undocumented in major botanical databases and gardening resources.

The Challenge of Poorly Documented Species

Sometimes in the plant world, you encounter species like Phalaris truncata that exist in name but lack the detailed documentation we’d love to have as gardeners. This could happen for several reasons:

  • The species might be extremely rare or have a very limited distribution
  • It could be a synonym for another, better-known species
  • The name might represent a taxonomic classification that’s been revised
  • It may exist primarily in specialized botanical collections rather than general cultivation

What This Means for Gardeners

If you’re interested in growing Phalaris truncata specifically, here’s the honest truth: without knowing its native range, invasive status, or growing requirements, it’s difficult to make recommendations about whether and how to cultivate it.

Instead, consider these alternatives:

  • Consult with local botanical gardens or native plant societies
  • Contact university extension services in your area
  • Look into better-documented Phalaris species that might serve similar purposes in your landscape
  • Consider other native grasses that are well-suited to your specific region

The Broader Phalaris Family

While we can’t give you specifics about Phalaris truncata, the genus as a whole includes both native species worth celebrating and invasive species worth avoiding. Some Phalaris species provide excellent wildlife habitat and erosion control, while others can become problematic weeds.

This is exactly why proper identification and research are so crucial when selecting plants for your garden.

Moving Forward

If you’re determined to learn more about Phalaris truncata, your best bet is to connect with botanical experts or herbarium collections that might have specimens or additional information. In the meantime, focus on well-documented native grasses that will provide reliable beauty and ecological benefits in your landscape.

Remember, successful native gardening often means working with plants that have proven track records and clear growing guidelines – and unfortunately, Phalaris truncata doesn’t currently fit that bill.

Phalaris Truncata

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

Phalaris L. - canarygrass

Species

Phalaris truncata Guss. ex Bertol.

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