North America Non-native Plant

Cheilanthes Pyramidalis

Botanical name: Cheilanthes pyramidalis

USDA symbol: CHPY6

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

Cheilanthes pyramidalis: The Mysterious Lip Fern If you’ve stumbled across the name Cheilanthes pyramidalis in your plant research, you’re probably scratching your head wondering what exactly this fern is all about. Don’t worry – you’re not alone! This particular species is something of a botanical mystery, with limited information available ...

Cheilanthes pyramidalis: The Mysterious Lip Fern

If you’ve stumbled across the name Cheilanthes pyramidalis in your plant research, you’re probably scratching your head wondering what exactly this fern is all about. Don’t worry – you’re not alone! This particular species is something of a botanical mystery, with limited information available even in specialized plant databases.

What is Cheilanthes pyramidalis?

Cheilanthes pyramidalis belongs to the genus Cheilanthes, commonly known as lip ferns. These ferns get their quirky name from the way their leaf margins curl under to protect the spore-bearing structures, creating what looks like tiny lips along the edges of the fronds.

As a member of the lip fern family, C. pyramidalis would typically share some characteristics with its better-known relatives:

  • Small to medium-sized fronds
  • Drought tolerance once established
  • Preference for rocky, well-draining locations
  • Ability to curl up during dry periods

The Challenge of Limited Information

Here’s where things get interesting (and a bit frustrating): detailed information about Cheilanthes pyramidalis is surprisingly scarce. This could mean several things – it might be a regional species with limited distribution, a recently described species, or possibly even a name that’s fallen out of current taxonomic use.

Is It Beneficial to Gardens?

While we can’t speak specifically about C. pyramidalis, lip ferns in general can be wonderful additions to the right garden setting. They’re typically:

  • Low-maintenance once established
  • Excellent for rock gardens and xeriscaping
  • Useful for erosion control on slopes
  • Interesting textural elements in native plant gardens

How to Identify Lip Ferns

If you think you’ve encountered Cheilanthes pyramidalis in the wild, look for these general lip fern characteristics:

  • Fronds that are typically 2-12 inches long
  • Leaf margins that curl under (revolute)
  • Often grayish or bluish-green coloration
  • Growing from rock crevices or rocky soil
  • Ability to appear dead during drought but revive with moisture

A Word of Caution

Given the limited information available about this specific species, we’d recommend extreme caution before attempting to cultivate or collect it. If you’re interested in growing lip ferns, consider well-documented species like Cheilanthes lanosa (hairy lip fern) or Cheilanthes tomentosa (woolly lip fern) instead.

The Bottom Line

Cheilanthes pyramidalis remains something of an enigma in the plant world. While the lip fern family offers many garden-worthy species, this particular one needs more research before we can confidently recommend it for home cultivation. If you’re drawn to the unique characteristics of lip ferns, stick with better-known species that have proven garden performance and clear growing requirements.

Sometimes the most honest thing a gardener can say is I don’t know enough about this plant yet – and that’s exactly where we stand with Cheilanthes pyramidalis!

Cheilanthes Pyramidalis

Classification

Group

Fern

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision
Division

Pteridophyta - Ferns

Subdivision
Class

Filicopsida

Subclass
Order

Polypodiales

Family

Pteridaceae E.D.M. Kirchn. - Maidenhair Fern family

Genus

Cheilanthes Sw. - lipfern

Species

Cheilanthes pyramidalis Fée [excluded]

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