North America Native Plant

Wingcup

Botanical name: Schultesia

USDA symbol: SCHUL

Life cycle: annual

Habit: forb

Native status: Native to Puerto Rico  

Wingcup: A Mysterious Puerto Rican Native Worth Knowing If you’re a gardener who loves discovering lesser-known native plants, you might find yourself intrigued by wingcup (Schultesia). This curious little plant is one of those botanical mysteries that keeps things interesting in the native gardening world – we know it exists, ...

Wingcup: A Mysterious Puerto Rican Native Worth Knowing

If you’re a gardener who loves discovering lesser-known native plants, you might find yourself intrigued by wingcup (Schultesia). This curious little plant is one of those botanical mysteries that keeps things interesting in the native gardening world – we know it exists, we know where it calls home, but there’s still plenty to learn about this Puerto Rican endemic.

What Exactly Is Wingcup?

Wingcup is an annual forb, which is just a fancy way of saying it’s a soft-stemmed, non-woody plant that completes its entire life cycle in one growing season. Unlike perennials that return year after year, this little guy puts all its energy into one spectacular (albeit brief) show before setting seed for the next generation.

As a forb, wingcup lacks the woody tissue that makes shrubs and trees so sturdy. Instead, it keeps its growing points right at or below ground level – a clever survival strategy that helps it weather whatever challenges come its way.

Where Does Wingcup Call Home?

Wingcup is proudly Puerto Rican through and through. This native species has evolved specifically to thrive in Puerto Rico’s unique climate and conditions, making it a true local treasure. Its entire natural range is limited to this Caribbean island, which makes it quite special in the plant world.

Should You Grow Wingcup in Your Garden?

Here’s where things get a bit tricky – and honestly, quite fascinating. While we know wingcup is a legitimate native species, the horticultural world hasn’t caught up with detailed growing information yet. This isn’t uncommon for lesser-known native plants, especially those from specialized ecosystems like Puerto Rico.

If you’re gardening in Puerto Rico, wingcup could be an exciting addition to a native plant collection. Since it’s an annual, you’d be supporting local biodiversity while potentially discovering something new about this mysterious plant’s growing habits.

The Challenge of Growing the Unknown

Unfortunately, specific details about wingcup’s preferred growing conditions, care requirements, and even its appearance remain largely undocumented in readily available horticultural sources. This presents both a challenge and an opportunity for adventurous gardeners.

What we can reasonably assume based on its Puerto Rican origins:

  • It likely prefers warm, tropical conditions (USDA zones 10-11)
  • As an annual, it probably has a relatively fast growth cycle
  • Being a native forb, it’s adapted to local rainfall patterns and soil conditions

A Plant Worth Researching

Sometimes the most rewarding gardening experiences come from working with plants that aren’t in every gardening handbook. Wingcup represents one of those opportunities – a chance to contribute to our collective understanding of native Puerto Rican flora while potentially adding something unique to your landscape.

If you’re interested in growing wingcup, your best bet would be connecting with local botanical organizations, native plant societies, or agricultural extensions in Puerto Rico. They might have insights or seeds that aren’t widely available through commercial channels.

The Bottom Line

Wingcup might not be the easiest plant to find information about, but that’s exactly what makes it intriguing. For gardeners in Puerto Rico looking to support native biodiversity, this annual forb offers a chance to work with truly local flora. Just be prepared for some detective work along the way – sometimes the best gardening adventures come from plants that keep a few secrets.

Whether wingcup becomes a regular in your garden or remains an interesting footnote in your native plant journey, it serves as a reminder that there’s always more to discover in the world of native gardening. Who knows? You might be one of the gardeners who helps fill in the gaps in our knowledge about this mysterious Puerto Rican native.

Wingcup

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Gentianales

Family

Gentianaceae Juss. - Gentian family

Genus

Schultesia Mart. - wingcup

Species

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