North America Non-native Plant

Ischaemum

Botanical name: Ischaemum chordatum

USDA symbol: ISCH

Habit: grass

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

Ischaemum: The Mystery Grass That Keeps Botanists Guessing If you’ve stumbled across the name ischaemum in your native plant research, you’re not alone in scratching your head. Ischaemum chordatum is one of those plants that seems to exist in the shadowy corners of botanical literature, leaving even dedicated native plant ...

Ischaemum: The Mystery Grass That Keeps Botanists Guessing

If you’ve stumbled across the name ischaemum in your native plant research, you’re not alone in scratching your head. Ischaemum chordatum is one of those plants that seems to exist in the shadowy corners of botanical literature, leaving even dedicated native plant enthusiasts wondering what exactly they’re dealing with.

What We Know (And What We Don’t)

Here’s the straight scoop: Ischaemum chordatum belongs to the grass family, making it a true grass rather than just a grass-like plant. But beyond that basic classification, reliable information about this particular species becomes surprisingly scarce. This isn’t uncommon in the plant world – some species are simply better documented than others, especially those that may be regionally specific or less commonly encountered in cultivation.

The Geographic Mystery

While we know that various Ischaemum species are typically found in tropical and subtropical regions around the world, the specific native range and distribution of I. chordatum remains unclear in available literature. This lack of clear geographic information makes it challenging to determine whether this grass might be suitable for your particular region.

Should You Plant It? The Honest Answer

This is where things get a bit tricky. Without clear information about:

  • Native status in specific regions
  • Invasive potential
  • Growing requirements
  • USDA hardiness zones
  • Mature size and growth habits

It’s difficult to give a confident recommendation either way. The responsible approach? Proceed with caution and do your homework.

What to Do Instead

If you’re interested in native grasses for your landscape, consider these alternatives that are well-documented and widely available:

  • Little bluestem (Schizachyrium scoparium)
  • Buffalo grass (Poaceae family natives specific to your region)
  • Native bunch grasses suited to your local conditions

These options come with the advantage of extensive growing information, known wildlife benefits, and established sources for responsibly collected seeds or plants.

The Bigger Picture

Ischaemum chordatum serves as a reminder that the world of native plants still holds mysteries. Not every species has been thoroughly studied or documented for home gardeners. While this can be frustrating when you’re trying to plan your landscape, it also highlights the importance of working with well-established native plant sources and focusing on species with known track records in cultivation.

If you do encounter this plant in the wild or through specialized sources, consider it an opportunity to contribute to our collective knowledge – but always ensure any plant material is ethically and legally sourced.

Moving Forward

Sometimes the best gardening advice is knowing when to say I need more information. With Ischaemum chordatum, that time is now. Stick with proven native grass species for your landscape projects, and save the botanical detective work for when you have more resources and expertise at your disposal.

After all, there are plenty of amazing, well-documented native grasses just waiting to transform your garden – and they come with the growing guides to match!

Ischaemum

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

Ischaemum L. - murainagrass

Species

Ischaemum chordatum (Trin.) Hack ex Warb. - ischaemum

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