Native Plants

Cojite Blanco

Commelina rufipes var. glabrata

USDA symbol: CORUG

annual forb

Puerto Rico: native

Meet cojite blanco (Commelina rufipes var. glabrata), a charming native wildflower that calls Puerto Rico home. While this little beauty might not be the most famous plant in your garden center, it represents the unique botanical heritage of the Caribbean and deserves a closer look from native plant enthusiasts. Cojite ...

Cojite Blanco: A Lesser-Known Native Puerto Rican Wildflower

Meet cojite blanco (Commelina rufipes var. glabrata), a charming native wildflower that calls Puerto Rico home. While this little beauty might not be the most famous plant in your garden center, it represents the unique botanical heritage of the Caribbean and deserves a closer look from native plant enthusiasts.

What Is Cojite Blanco?

Cojite blanco belongs to the dayflower family and is classified as a forb – essentially a soft-stemmed herbaceous plant without woody growth above ground. This means it’s more like your typical garden flowers and herbs rather than shrubs or trees. The plant can behave as either an annual or perennial, depending on growing conditions.

Like many plants with interesting histories, cojite blanco has collected quite a few scientific names over the years. You might also see it referred to by its synonyms: Athyrocarpus persicariifolius, Commelinopsis glabrata, Commelinopsis persicariifolia, or Phaeosphaerion persicariifolium. Don’t let all those tongue-twisting names intimidate you – it’s still the same delightful plant!

Where Does It Grow Naturally?

Cojite blanco is exclusively native to Puerto Rico, making it a true island endemic. This means if you’re gardening in Puerto Rico, you’re working with a plant that has evolved specifically for your local conditions – pretty cool, right?

  • Species observed
  • No observations

Should You Grow Cojite Blanco?

Here’s where things get a bit tricky. While cojite blanco is undoubtedly a legitimate native plant worth celebrating, detailed growing information for this specific variety is surprisingly limited in available sources. This doesn’t mean it’s not worth growing – quite the opposite! It might just mean you’ll be joining a select group of gardeners exploring lesser-known native species.

The Challenge of Growing Rare Natives

One of the realities of native plant gardening is that not every species has been extensively studied or cultivated. Cojite blanco appears to fall into this category. While we know it’s a herbaceous plant native to Puerto Rico, specific details about its preferred growing conditions, care requirements, and garden performance aren’t widely documented.

If you’re interested in growing cojite blanco, consider:

  • Connecting with local botanical gardens or native plant societies in Puerto Rico
  • Looking for seeds or plants from reputable native plant sources
  • Starting small and observing how the plant responds to different conditions
  • Documenting your growing experiences to help other gardeners

A Plant Worth Preserving

Even without detailed cultivation guides, native plants like cojite blanco play important roles in their ecosystems. As a Puerto Rican endemic, this species represents millions of years of evolution specific to the island’s unique conditions. By growing native plants, you’re supporting local biodiversity and maintaining genetic diversity that could be crucial for future conservation efforts.

The Bottom Line

Cojite blanco might not come with a detailed care manual, but that doesn’t diminish its value as a native plant. If you’re an adventurous gardener in Puerto Rico interested in supporting local flora, this could be an exciting plant to experiment with. Just remember to source it responsibly and consider it a contribution to both your garden and local conservation efforts.

Sometimes the most rewarding gardening experiences come from working with plants that haven’t been figured out yet – you might just become the expert others turn to for growing advice!

Commelina rufipes var. glabrata is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Commelina rufipes var. glabrata is also known as:

Athyrocarpus persicariifolius | USDA symbol: ATPE2
Commelinopsis glabrata | USDA symbol: COGL18
Commelinopsis persicariifolia | USDA symbol: COPE6
Phaeosphaerion persicariifolium | USDA symbol: PHPE5

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Monocot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Liliopsida - Monocotyledons
Subclass: Commelinidae
Order: Commelinales
Family: Commelinaceae Mirb. - Spiderwort family
Genus: Commelina L. - dayflower

Species: Commelina rufipes Seubert - cojite blanco

Variety: Commelina rufipes Seubert var. glabrata (D. Hunt) Faden & D.R. Hunt - cojite blanco

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