North America Native Plant

Winged-lady Orchid

Botanical name: Oncidium meirax

USDA symbol: ONME

Life cycle: perennial

Habit: forb

Native status: Native to Puerto Rico  

Synonyms: Oncidium alatum Cogn. (ONAL)   

Winged-Lady Orchid: A Rare Puerto Rican Beauty Worth the Challenge Meet the winged-lady orchid, a stunning native treasure that calls Puerto Rico home. While you might not find this particular orchid at your local garden center, Oncidium meirax represents one of nature’s most elegant flowering plants – and for the ...

Winged-Lady Orchid: A Rare Puerto Rican Beauty Worth the Challenge

Meet the winged-lady orchid, a stunning native treasure that calls Puerto Rico home. While you might not find this particular orchid at your local garden center, Oncidium meirax represents one of nature’s most elegant flowering plants – and for the dedicated orchid enthusiast, it’s absolutely worth seeking out.

What Makes the Winged-Lady Orchid Special?

This perennial beauty belongs to the beloved Oncidium genus, often called dancing-lady orchids for their flowers’ resemblance to tiny dancers in flowing skirts. The winged-lady orchid is a true Puerto Rican endemic, meaning it naturally occurs nowhere else on Earth. You might also see it listed under its botanical synonym, Oncidium alatum.

As a forb – essentially a non-woody flowering plant – this orchid lacks the thick, woody stems you’d find on trees or shrubs. Instead, it’s perfectly adapted for its epiphytic lifestyle, growing on other plants rather than in soil.

Where Does It Grow?

The winged-lady orchid is exclusively native to Puerto Rico, where it thrives in the island’s tropical climate and unique ecosystems. This limited geographic distribution makes it a true botanical gem.

Is This Orchid Right for Your Garden?

Let’s be honest – the winged-lady orchid isn’t your typical backyard flower. This specialized beauty is best suited for:

  • Dedicated orchid collectors and enthusiasts
  • Greenhouse gardeners with controlled environments
  • Tropical gardeners in USDA zones 10-11
  • Those passionate about preserving native Puerto Rican flora

Growing Conditions and Care

Like most orchids, the winged-lady orchid has some specific needs that differ from your average garden plant:

Light: Bright, filtered light works best. Think dappled sunlight rather than harsh direct rays.

Humidity: High humidity is essential – aim for 60-80% if growing indoors.

Growing Medium: Skip the potting soil! Use a specialized orchid mix with excellent drainage, typically containing bark, moss, and other organic materials.

Temperature: Consistent warm temperatures year-round, typically 65-85°F.

Watering: Allow the growing medium to dry slightly between waterings, but never let it become bone dry.

The Reality Check

Here’s where we need to have a frank conversation: finding authentic Oncidium meirax can be challenging. Many commercial orchids are hybrids or more common species. If you’re serious about growing this particular orchid, you’ll likely need to connect with specialized orchid societies, botanical gardens, or conservation groups focused on Puerto Rican flora.

Worth the Effort?

For orchid enthusiasts and plant collectors, absolutely! Growing native species like the winged-lady orchid connects you to a specific place and ecosystem while supporting biodiversity. Plus, there’s something deeply satisfying about successfully cultivating a plant that most people have never heard of.

If you can’t track down this specific species, consider exploring other Oncidium orchids or native plants from your own region. Every garden benefits from native species, and you’ll be supporting local wildlife while creating a unique landscape that reflects your area’s natural heritage.

The winged-lady orchid may be a challenge to grow and find, but for those willing to put in the effort, it offers the reward of cultivating a true botanical rarity – a living piece of Puerto Rico’s natural history right in your own growing space.

Winged-lady Orchid

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Liliidae

Order

Orchidales

Family

Orchidaceae Juss. - Orchid family

Genus

Oncidium Sw. - dancing-lady orchid

Species

Oncidium meirax Rchb. f. - winged-lady orchid

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