North America Native Plant

Needleroot Bentspur Orchid

Botanical name: Campylocentrum filiforme

USDA symbol: CAFI10

Life cycle: perennial

Habit: forb

Native status: Native to Puerto Rico  

Synonyms: Campylocentrum monteverde (Rchb. f.) Rolfe (CAMO19)  âš˜  Harrisella filiformis (Sw.) Cogn. (HAFI)   

Needleroot Bentspur Orchid: A Rare Puerto Rican Treasure Worth Protecting Meet the needleroot bentspur orchid (Campylocentrum filiforme), one of Puerto Rico’s most elusive botanical gems. This tiny epiphytic orchid might not win any beauty contests with its microscopic flowers, but what it lacks in showiness, it more than makes up ...

Rare plant alert!

Region: Conservation status by state

Status: S1?: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘

Needleroot Bentspur Orchid: A Rare Puerto Rican Treasure Worth Protecting

Meet the needleroot bentspur orchid (Campylocentrum filiforme), one of Puerto Rico’s most elusive botanical gems. This tiny epiphytic orchid might not win any beauty contests with its microscopic flowers, but what it lacks in showiness, it more than makes up for in rarity and ecological significance.

What Makes This Orchid Special?

The needleroot bentspur orchid is a perennial herbaceous plant that lives life on the edge—literally. As an epiphyte, it makes its home perched on tree branches in Puerto Rico’s misty mountain forests. True to its name, this orchid produces thread-like roots that help it cling to its arboreal hosts while absorbing moisture and nutrients from the humid air.

Also known by its synonyms Campylocentrum monteverde and Harrisella filiformis, this little orchid represents the incredible diversity of Puerto Rico’s native flora.

Where Does It Call Home?

This orchid is endemic to Puerto Rico, where it inhabits the island’s precious cloud forests and montane regions. These misty, high-elevation ecosystems provide the perfect combination of consistent humidity, filtered light, and stable temperatures that the needleroot bentspur orchid needs to survive.

A Plant in Peril

Here’s where things get serious: the needleroot bentspur orchid carries a Global Conservation Status of S1?, meaning it’s critically imperiled. With typically five or fewer known occurrences and very few remaining individuals (less than 1,000), this species is dancing dangerously close to extinction.

This rarity status is a red flag for any gardener considering cultivation. While the allure of growing such a rare orchid might be tempting, it’s crucial to understand the conservation implications.

Should You Grow It?

The short answer is: probably not, unless you’re a serious orchid conservationist with proper credentials. Here’s why:

  • Extreme rarity: With so few plants left in the wild, any collection could further threaten the species
  • Specialized requirements: This orchid needs very specific growing conditions that are difficult to replicate
  • Conservation priority: Efforts should focus on protecting existing populations rather than cultivation

If you’re absolutely determined to work with this species, only consider plants from verified conservation programs or legitimate botanical institutions with proper permits and documentation.

Growing Conditions (For Conservation Purposes Only)

Should you find yourself involved in legitimate conservation efforts, here’s what the needleroot bentspur orchid needs:

  • Climate: USDA hardiness zones 10-11, requiring year-round warmth and humidity
  • Light: Bright, filtered light that mimics the dappled canopy of cloud forests
  • Humidity: Consistently high humidity levels (70-90%)
  • Air circulation: Gentle air movement to prevent fungal issues
  • Growing medium: Mounted on bark or cork, or grown in specialized orchid bark mixes with excellent drainage

Better Alternatives for Your Garden

Instead of pursuing this rare species, consider supporting Puerto Rican conservation by:

  • Donating to organizations working to protect Puerto Rico’s cloud forests
  • Growing other Puerto Rican native plants that are less threatened
  • Supporting orchid conservation programs through botanical gardens and research institutions
  • Learning about and raising awareness of Puerto Rico’s unique ecosystems

The Bottom Line

The needleroot bentspur orchid serves as a powerful reminder of how fragile our natural world can be. While most of us will never see this tiny orchid in person, we can still play a role in its conservation by supporting habitat protection efforts and making responsible choices in our own gardens.

Sometimes the best way to love a plant is to let it be—protected, respected, and preserved for future generations to marvel at in its natural cloud forest home.

Needleroot 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 filiforme (Sw.) Cogn. ex Kuntze - needleroot 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