North America Native Plant

Mt. Cerrote Angleflower

Botanical name: Leandra krugii

USDA symbol: LEKR2

Life cycle: perennial

Habit: shrub

Native status: Native to Puerto Rico  

Synonyms: Calycogonium krugii Cogn. (CAKR3)   

Mt. Cerrote Angleflower: A Rare Puerto Rican Native Worth Knowing If you’re passionate about native plants and happen to garden in Puerto Rico’s unique tropical climate, you might be curious about some of the island’s lesser-known native species. Enter the Mt. Cerrote angleflower (Leandra krugii), a fascinating shrub that’s as ...

Mt. Cerrote Angleflower: A Rare Puerto Rican Native Worth Knowing

If you’re passionate about native plants and happen to garden in Puerto Rico’s unique tropical climate, you might be curious about some of the island’s lesser-known native species. Enter the Mt. Cerrote angleflower (Leandra krugii), a fascinating shrub that’s as mysterious as its name suggests.

What Makes This Plant Special?

The Mt. Cerrote angleflower is a perennial shrub that’s exclusively native to Puerto Rico. This multi-stemmed woody plant typically grows to heights of 13-16 feet (4-5 meters), though it can sometimes reach taller heights or develop a more single-stemmed form depending on environmental conditions. Like other members of the Melastomataceae family, it likely produces small, delicate flowers that give it the angleflower portion of its common name.

You might also see this plant referenced by its botanical synonym, Calycogonium krugii, in older botanical texts or plant databases.

Where Does It Grow?

This shrub is found exclusively in Puerto Rico, making it a true island endemic. Its specific habitat requirements and distribution within Puerto Rico aren’t well-documented, which adds to its air of mystery.

Should You Plant Mt. Cerrote Angleflower?

Here’s where things get a bit tricky. While supporting native plants is always admirable, the Mt. Cerrote angleflower presents some unique challenges for home gardeners:

  • Limited availability: This plant is rarely found in nurseries or commercial cultivation
  • Unknown cultivation requirements: Specific growing conditions, soil preferences, and care instructions aren’t well-established
  • Potential rarity: The lack of information may indicate this species has a restricted natural range

What We Do Know About Growing Conditions

While specific care instructions for Mt. Cerrote angleflower aren’t readily available, we can make some educated guesses based on its native status and plant family:

  • As a Puerto Rican native, it likely thrives in tropical conditions with warm temperatures year-round
  • Most Melastomataceae family members prefer partial shade to filtered sunlight
  • Like many tropical shrubs, it probably appreciates consistent moisture but good drainage
  • It would be hardy in USDA zones 10-11, similar to other Puerto Rican natives

A Word of Caution

If you’re fortunate enough to encounter Mt. Cerrote angleflower or seeds from this species, proceed thoughtfully. The limited information available suggests this may be a rare or regionally restricted plant. If you do decide to grow it, make sure any plant material is ethically and legally sourced, preferably from established conservation programs or botanical institutions.

Alternative Native Options

If you’re drawn to native Puerto Rican shrubs but want something more readily available, consider exploring other members of the rich Melastomataceae family or well-documented native species that offer similar growth habits and ecological benefits. Your local native plant society or botanical garden can point you toward suitable alternatives that are easier to grow and source responsibly.

The Bottom Line

Mt. Cerrote angleflower represents the fascinating diversity of Puerto Rico’s native flora, but it’s not your typical garden center find. While we celebrate every native species, sometimes the most responsible approach is to appreciate these plants in their natural habitats while supporting conservation efforts. If you’re passionate about growing Puerto Rican natives, start with well-established species and work with local botanical experts who can guide you toward plants that are both garden-suitable and ethically available.

Mt. Cerrote Angleflower

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Myrtales

Family

Melastomataceae Juss. - Melastome family

Genus

Leandra Raddi - leandra

Species

Leandra krugii (Cogn.) W.S. Judd & Skean - Mt. Cerrote angleflower

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