North America Native Plant

Bulbostylis Subaphylla

Botanical name: Bulbostylis subaphylla

USDA symbol: BUSU6

Life cycle: perennial

Habit: grass

Native status: Native to Puerto Rico  

Bulbostylis subaphylla: A Lesser-Known Puerto Rican Native Sedge If you’ve stumbled upon the name Bulbostylis subaphylla in your native plant research, you’re likely wondering what exactly this mysterious plant is and whether it belongs in your garden. Well, you’ve discovered one of Puerto Rico’s more elusive native sedges – a ...

Bulbostylis subaphylla: A Lesser-Known Puerto Rican Native Sedge

If you’ve stumbled upon the name Bulbostylis subaphylla in your native plant research, you’re likely wondering what exactly this mysterious plant is and whether it belongs in your garden. Well, you’ve discovered one of Puerto Rico’s more elusive native sedges – a plant that’s as intriguing as it is hard to find information about!

What Is Bulbostylis subaphylla?

Bulbostylis subaphylla is a perennial sedge that calls Puerto Rico home. As part of the Cyperaceae family (the sedge family), it’s related to other grass-like plants that often get mistaken for true grasses. However, sedges have their own unique characteristics that set them apart from their grass cousins.

Where Does It Grow?

This native Puerto Rican species is endemic to the island, meaning it naturally occurs nowhere else in the world. Puerto Rico’s unique climate and terrain have fostered the evolution of many endemic species, and Bulbostylis subaphylla is one of these special island treasures.

The Challenge of Growing Lesser-Known Natives

Here’s where things get a bit tricky for us gardening enthusiasts. While we always champion native plants for their ecological benefits and natural beauty, some species like Bulbostylis subaphylla present unique challenges:

  • Limited availability in the nursery trade
  • Minimal cultivation information available
  • Potential rarity concerns
  • Unknown specific growing requirements

Why This Matters for Puerto Rican Gardeners

If you’re gardening in Puerto Rico, native species like Bulbostylis subaphylla represent an important part of your local ecosystem. These plants have evolved specifically for your climate and soil conditions, and they likely support native wildlife in ways that non-native plants simply can’t match.

A Word of Caution

Before rushing out to find this plant, it’s worth noting that many lesser-known native species can be rare or have specific habitat requirements. If you do encounter Bulbostylis subaphylla in the wild, it’s best to:

  • Observe and photograph rather than collect
  • Contact local botanical organizations for guidance
  • Support native plant conservation efforts
  • Consider growing more readily available native alternatives

Alternative Native Sedges

While we may not have enough information to recommend growing Bulbostylis subaphylla specifically, Puerto Rico is home to other native sedges that might be more suitable for cultivation. Working with local native plant societies or botanical gardens can help you discover native alternatives that are both available and well-suited to garden conditions.

The Bottom Line

Bulbostylis subaphylla represents the fascinating world of endemic plants that make each region unique. While it may not be the easiest plant to add to your garden, its existence reminds us of the incredible diversity of native flora waiting to be discovered and protected. Sometimes the best way to appreciate these special plants is to support their conservation in their natural habitats while choosing better-known natives for our gardens.

If you’re passionate about Puerto Rican native plants, consider connecting with local botanical organizations who can guide you toward native species that are both ecologically valuable and garden-ready. After all, every native plant in your garden is a step toward supporting your local ecosystem!

Bulbostylis Subaphylla

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

Cyperaceae Juss. - Sedge family

Genus

Bulbostylis Kunth - hairsedge

Species

Bulbostylis subaphylla C.B. Clarke

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