North America Native Plant

Quill Beak Sedge

Botanical name: Rhynchospora depressirostris

USDA symbol: RHDE7

Life cycle: perennial

Habit: grass

Native status: Native to Puerto Rico  

Quill Beak Sedge: A Little-Known Native Wetland Plant from Puerto Rico Meet Quill Beak Sedge (Rhynchospora depressirostris), a native sedge that calls Puerto Rico home. While you might not find this plant at your typical garden center, it’s worth knowing about if you’re interested in native wetland plants or happen ...

Quill Beak Sedge: A Little-Known Native Wetland Plant from Puerto Rico

Meet Quill Beak Sedge (Rhynchospora depressirostris), a native sedge that calls Puerto Rico home. While you might not find this plant at your typical garden center, it’s worth knowing about if you’re interested in native wetland plants or happen to be gardening in tropical regions with wet conditions.

What Exactly Is Quill Beak Sedge?

Quill Beak Sedge is a perennial grass-like plant that belongs to the sedge family (Cyperaceae). Don’t let the name fool you – sedges aren’t actually grasses, though they look similar at first glance. They’re part of that group of plants that includes rushes and other grass-like species that often grow in wet places.

This particular sedge is native to Puerto Rico, where it has adapted to life in wetland environments. The name Quill Beak likely refers to some characteristic of its seed structure, though detailed descriptions of this species are surprisingly scarce in gardening literature.

Where Does It Grow?

Quill Beak Sedge is found naturally in Puerto Rico, making it a truly local native for gardeners on the island. Its distribution appears to be quite limited, which might explain why you haven’t heard much about it before.

The Wetland Connection

Here’s where things get interesting – this sedge has different wetland preferences depending on where it’s growing:

  • In the Caribbean region (including its native Puerto Rico), it’s classified as an Obligate Wetland plant, meaning it almost always needs wet conditions to thrive
  • Interestingly, in Hawaii, it’s considered Facultative Wetland, meaning it usually grows in wet areas but can sometimes handle drier spots

This difference suggests the plant might be more adaptable than its native habitat would indicate, though it clearly prefers life with its feet wet.

Should You Try Growing It?

Here’s the honest truth: information about cultivating Quill Beak Sedge is pretty hard to come by. This isn’t necessarily because it’s difficult to grow, but rather because it’s not commonly cultivated or studied outside of its native range.

If you’re gardening in Puerto Rico and want to create a native wetland garden, this could be an interesting addition – if you can find it. The challenge is that specific growing requirements, propagation methods, and care instructions simply aren’t well documented for this particular species.

What We Don’t Know (But Wish We Did)

Unfortunately, detailed information about this sedge is limited. We don’t have specific data about:

  • Its exact appearance and size
  • Specific growing conditions beyond its wetland preference
  • How to propagate it
  • What wildlife benefits it might provide
  • Its role in garden design

The Bottom Line

Quill Beak Sedge represents one of those fascinating native plants that deserves more attention from researchers and native plant enthusiasts. If you’re in Puerto Rico and passionate about native wetland plants, this species could be worth seeking out for conservation purposes or specialized native plant projects.

For most gardeners, especially those outside of tropical wetland environments, other better-known native sedges might be more practical choices. But for those committed to growing truly local native species in Puerto Rico, Quill Beak Sedge offers a chance to support a plant that’s found nowhere else in the world.

Have you encountered this elusive sedge in the wild? We’d love to hear about your experiences with this little-known native plant!

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Caribbean

OBL

Obligate Wetland - Plants with this status almost always occurs in wetlands

Hawaii

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Quill Beak Sedge

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

Rhynchospora Vahl - beaksedge

Species

Rhynchospora depressirostris M.T. Strong - Quill Beak Sedge

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