North America Native Plant

Leafless Bentspur Orchid

Botanical name: Campylocentrum pachyrrhizum

USDA symbol: CAPA32

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states âš˜ Native to Puerto Rico  

Leafless Bentspur Orchid: A Tiny Native Treasure for Orchid Enthusiasts Meet one of North America’s most unusual native orchids – the leafless bentspur orchid (Campylocentrum pachyrrhizum). This tiny epiphytic wonder might not win any beauty contests at first glance, but for orchid lovers and native plant enthusiasts, it’s a fascinating ...

Leafless Bentspur Orchid: A Tiny Native Treasure for Orchid Enthusiasts

Meet one of North America’s most unusual native orchids – the leafless bentspur orchid (Campylocentrum pachyrrhizum). This tiny epiphytic wonder might not win any beauty contests at first glance, but for orchid lovers and native plant enthusiasts, it’s a fascinating addition to specialized collections.

What Makes This Orchid Special?

True to its common name, the leafless bentspur orchid has ditched traditional leaves entirely. Instead, it relies on its green roots to perform photosynthesis – pretty clever for a plant! This perennial orchid belongs to the forb category, meaning it’s a non-woody plant that comes back year after year.

The flowers are admittedly tiny and greenish-white, so don’t expect a showy display. But there’s something charming about this orchid’s minimalist approach to life.

Where Does It Call Home?

This little orchid is native to a very limited range – you’ll only find it naturally occurring in Florida and Puerto Rico. It’s truly a regional treasure of the southeastern United States and Caribbean.

Should You Grow It?

Here’s the honest truth: the leafless bentspur orchid isn’t for everyone. This is definitely a plant for serious orchid collectors or native plant enthusiasts who love a challenge. Here’s why you might (or might not) want to give it a try:

Reasons to Consider It:

  • Unique native orchid species
  • Conversation starter for orchid collections
  • Supports local biodiversity if you’re in its native range
  • Fascinating example of plant adaptation

Reasons to Think Twice:

  • Extremely specialized growing requirements
  • Not visually striking for most gardeners
  • Requires greenhouse or controlled environment in most areas
  • May be difficult to source responsibly

Growing Conditions and Care

If you’re still intrigued and ready for a challenge, here’s what this orchid needs to thrive:

Climate Requirements

The leafless bentspur orchid is only hardy in USDA zones 10-11, which means it needs tropical to subtropical conditions year-round. Most growers outside of southern Florida will need to provide greenhouse conditions.

Growing Environment

As an epiphyte, this orchid doesn’t grow in soil. Instead, it needs to be mounted on bark, cork, or tree branches. In nature, it grows attached to trees and other plants, drawing moisture and nutrients from the air.

Essential Care Tips

  • Provide filtered, bright light (avoid direct sunlight)
  • Maintain high humidity levels (60-80%)
  • Ensure excellent air circulation
  • Mist regularly but avoid keeping constantly wet
  • Use rainwater or distilled water when possible
  • Mount securely but allow room for growth

A Word About Sourcing

Given its limited native range, always source this orchid from reputable dealers who grow their plants responsibly rather than collecting from wild populations. Wild orchid populations are often fragile and should be protected.

The Bottom Line

The leafless bentspur orchid is a fascinating native species that offers orchid enthusiasts something truly unique. While it’s not suitable for typical landscaping and requires specialized care, it can be a rewarding addition for dedicated collectors in the right climate. If you’re looking for easier native plants for general gardening, consider exploring other native Florida or Puerto Rican species that are more forgiving and garden-friendly.

This little orchid proves that sometimes the most interesting plants are the ones that march to their own drum – or in this case, photosynthesize with their own roots!

Leafless Bentspur 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

Campylocentrum Benth. - bentspur orchid

Species

Campylocentrum pachyrrhizum (Rchb. f.) Rolfe - leafless bentspur orchid

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