Native Plants

Camasey De Costilla

Miconia impetiolaris

USDA symbol: MIIM

perennial shrub

Puerto Rico: native
U.S. Virgin Islands: native

If you’re looking to add some authentic Caribbean flair to your tropical garden, you might want to consider camasey de costilla (Miconia impetiolaris). This native shrub is one of those delightfully under-the-radar plants that doesn’t get much fanfare but deserves a spot in the conversation about Caribbean native landscaping. Camasey ...

Camasey de Costilla: A Lesser-Known Caribbean Native Worth Discovering

If you’re looking to add some authentic Caribbean flair to your tropical garden, you might want to consider camasey de costilla (Miconia impetiolaris). This native shrub is one of those delightfully under-the-radar plants that doesn’t get much fanfare but deserves a spot in the conversation about Caribbean native landscaping.

What Exactly Is Camasey de Costilla?

Camasey de costilla is a perennial shrub that’s native to both Puerto Rico and the U.S. Virgin Islands. As a member of the Melastomataceae family (commonly known as the melastome family), it shares some DNA with other tropical beauties, though this particular species tends to fly under the radar compared to its showier cousins.

This multi-stemmed woody plant typically stays manageable in size, usually reaching less than 13 to 16 feet in height, making it a great choice for gardeners who want something substantial but not overwhelming. Like most shrubs, it develops several stems from near the ground, creating that classic bushy appearance we all love.

Where Does It Call Home?

This Caribbean native has a pretty exclusive address – you’ll find it naturally growing in Puerto Rico and the Virgin Islands. It’s what we call a regional endemic, meaning it’s perfectly adapted to the specific conditions of these beautiful islands.

  • Species observed
  • No observations

The Good, The Bad, and The Unknown

Here’s where things get a bit tricky with camasey de costilla – there’s honestly not a ton of readily available information about this particular species. It’s one of those plants that seems to have been overlooked by the horticultural world, which can be both frustrating and intriguing for adventurous gardeners.

What we do know is encouraging:

  • It’s a true native, so it’s perfectly suited to Caribbean growing conditions
  • It’s classified as Facultative Upland, meaning it prefers well-drained areas but can tolerate some moisture
  • As a perennial shrub, it should provide year-round structure to your landscape
  • It’s not listed as invasive or noxious, so you can plant it with a clear conscience

Growing Camasey de Costilla: What We Know

Given its native range, camasey de costilla is almost certainly best suited for USDA hardiness zones 10-11, where temperatures stay consistently warm year-round. If you’re gardening in the continental United States, this one’s probably only viable in southern Florida, Hawaii, or as a greenhouse plant.

Based on its wetland status as Facultative Upland, this shrub seems to prefer:

  • Well-draining soil (it’s not a bog plant)
  • Areas that don’t stay consistently wet
  • Typical upland growing conditions

The Reality Check

Let’s be honest – camasey de costilla might be a bit of a challenge to source. It’s not exactly flying off the shelves at your local garden center, and detailed growing information is surprisingly scarce. This makes it more of a plant for the truly adventurous gardener or someone specifically focused on authentic Caribbean native landscaping.

If you’re determined to try growing this species, your best bet would be to connect with native plant societies in Puerto Rico or the Virgin Islands, or seek out specialists in Caribbean native flora.

Should You Plant It?

If you’re gardening in its native range and can source it responsibly, camasey de costilla could be a wonderful addition to a native Caribbean landscape. It’s a true local and would contribute to preserving the region’s botanical heritage.

For gardeners outside the Caribbean, this might be a pass simply due to sourcing challenges and limited growing information. There are plenty of other tropical shrubs that might better suit your needs and are more readily available.

That said, if you’re a collector of rare or unusual plants and you happen to come across camasey de costilla, it could be a fascinating addition to your tropical plant collection – just be prepared for a bit of trial and error in figuring out its preferences!

Miconia impetiolaris 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. Miconia impetiolaris is also known as:

Melastoma impetiolare | USDA symbol: MEIM3

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.

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 care and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection can be if you don't have the right information. While tags on nursery plants 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. You might be surprised to learn that popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. The table below gives insight into the preferred growing conditions of this plant throughout its geographical distribution.

Region
Preferred Habitat

Caribbean (PR, VI)

Facultative Upland
Wetland Glossary
Obligate Wetland
Facultative Wetland
Facultative
Facultative Upland
Obligate Upland
Almost always occurs in wetlands
Usually occurs in wetlands but may occur in non-wetlands
Can occur in wetlands and non-wetlands
Usually occurs in non-wetlands but may occur in wetlands
Almost never occurs in wetlands

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Rosidae
Order: Myrtales
Family: Melastomataceae Juss. - Melastome family
Genus: Miconia Ruiz & Pav. - johnnyberry

Species: Miconia impetiolaris (Sw.) D. Don ex DC. - camasey de costilla

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