North America Native Plant

Latin American Lady Orchid

Botanical name: Stenorrhynchos speciosum

USDA symbol: STSP16

Life cycle: perennial

Habit: forb

Native status: Native to Puerto Rico  

Synonyms: Spiranthes speciosa (Jacq.) A. Rich. (SPSP3)  âš˜  Stenorrhynchos speciosus (Jacq.) Rich. ex Spreng., database artifact (STSP10)   

Latin American Lady Orchid: A Rare Puerto Rican Native Worth Knowing About Meet the Latin American lady orchid (Stenorrhynchos speciosum), a fascinating native orchid that calls Puerto Rico home. While you won’t find this beauty at your local garden center, understanding native species like this one helps us appreciate the ...

Latin American Lady Orchid: A Rare Puerto Rican Native Worth Knowing About

Meet the Latin American lady orchid (Stenorrhynchos speciosum), a fascinating native orchid that calls Puerto Rico home. While you won’t find this beauty at your local garden center, understanding native species like this one helps us appreciate the incredible biodiversity that exists in our natural landscapes.

What Makes This Orchid Special?

The Latin American lady orchid belongs to a group of terrestrial orchids known for their elegant flower spikes. As a perennial forb, this plant lacks woody stems and instead grows as an herbaceous perennial, storing energy in underground structures to return year after year in its native habitat.

Like many orchids, Stenorrhynchos speciosum has had a few name changes over the years – botanists have also called it Spiranthes speciosa and Stenorrhynchos speciosus. But regardless of what scientists decide to call it, this orchid remains a unique part of Puerto Rico’s native flora.

Where Does It Grow?

This orchid is native to Puerto Rico, where it has evolved to thrive in the island’s tropical conditions. Its limited geographic range makes it a true regional specialty – a plant that has found its perfect niche in this Caribbean paradise.

Should You Try Growing It?

Here’s where things get tricky. While the Latin American lady orchid is undoubtedly beautiful, there’s very little information available about its cultivation requirements, conservation status, or availability in the nursery trade. This lack of information raises several important considerations:

  • We don’t know if this species is rare or endangered in the wild
  • Cultivation requirements are largely unknown
  • It’s unlikely to be available through commercial sources
  • It would only be suitable for tropical climates (likely USDA zones 10-11)

Better Alternatives for Your Garden

If you’re drawn to the idea of growing native orchids, consider looking into orchid species that are native to your specific region and have established cultivation guidelines. Many areas have native orchids that are better understood and more appropriate for home gardeners.

For those in tropical climates who want to support Caribbean native plants, research other Puerto Rican natives that are available through reputable native plant nurseries and have known growing requirements.

The Bigger Picture

While you might not be able to grow the Latin American lady orchid in your backyard, learning about species like this reminds us why protecting native habitats is so important. Every region has its own unique collection of plants that have evolved specifically for local conditions, and many of these species play crucial roles in their ecosystems that we’re only beginning to understand.

Sometimes the best way to appreciate a rare native plant is simply to know it exists and support the conservation of the wild spaces where it thrives naturally.

Latin American 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

Stenorrhynchos Rich. ex Spreng. - lady orchid

Species

Stenorrhynchos speciosum (Jacq.) Rich. ex Spreng. - Latin American 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