North America Native Plant

Rufous Tiger Orchid

Botanical name: Maxillaria acutifolia

USDA symbol: MAAC5

Life cycle: perennial

Habit: forb

Native status: Native to Puerto Rico  

Synonyms: Maxillaria rufescens auct. non Lindl. (MARU2)   

Rufous Tiger Orchid: A Puerto Rican Native Gem for Orchid Enthusiasts If you’re looking to add a touch of Caribbean flair to your orchid collection, the rufous tiger orchid (Maxillaria acutifolia) might just be the perfect addition. This charming native of Puerto Rico brings both exotic beauty and ecological authenticity ...

Rufous Tiger Orchid: A Puerto Rican Native Gem for Orchid Enthusiasts

If you’re looking to add a touch of Caribbean flair to your orchid collection, the rufous tiger orchid (Maxillaria acutifolia) might just be the perfect addition. This charming native of Puerto Rico brings both exotic beauty and ecological authenticity to specialty gardens and indoor collections.

What Makes the Rufous Tiger Orchid Special?

The rufous tiger orchid gets its captivating name from its distinctive flowers, which display rusty-red stripes reminiscent of a tiger’s markings. These small but striking blooms feature sepals and petals with rich reddish-brown coloration that makes them stand out in any orchid collection. As a perennial forb without woody tissue, this orchid maintains its herbaceous nature while providing year-round interest.

Where Does It Call Home?

This beautiful orchid is endemic to Puerto Rico, where it naturally thrives in the island’s montane cloud forests and humid tropical environments. You’ll find it exclusively in Puerto Rico, making it a true regional specialty that connects your garden to the unique biodiversity of the Caribbean.

Is the Rufous Tiger Orchid Right for Your Garden?

The rufous tiger orchid is definitely a plant for the dedicated gardener! Here’s what you should consider:

  • Perfect for orchid enthusiasts: If you love collecting unique orchids, this Puerto Rican native offers both beauty and conservation value
  • Specialty growing requirements: This isn’t a beginner’s orchid – it needs specific conditions to thrive
  • Limited climate range: Only suitable for USDA zones 10-12, making it primarily a greenhouse or indoor plant for most gardeners
  • Ecological value: Growing native species helps preserve genetic diversity and supports conservation efforts

Creating the Perfect Environment

Success with rufous tiger orchids is all about mimicking their natural cloud forest habitat:

  • Humidity is key: Maintain 60-80% humidity around your plant
  • Light requirements: Bright, indirect light works best – think dappled forest canopy
  • Temperature needs: Keep temperatures between 65-85°F consistently
  • Air circulation: Good airflow prevents fungal issues common in humid conditions

Growing and Care Tips

Here’s how to keep your rufous tiger orchid happy and healthy:

  • Growing medium: Use a well-draining orchid bark mix or mount on cork bark or tree fern
  • Watering: Keep consistently moist but never waterlogged – think rainforest, not swamp
  • Fertilizing: Feed with diluted orchid fertilizer every 2-3 weeks during growing season
  • Repotting: Only when absolutely necessary, as orchids prefer to be slightly pot-bound

Garden Design Ideas

The rufous tiger orchid shines in these settings:

  • Orchid gardens: Perfect centerpiece for tropical orchid collections
  • Greenhouse displays: Adds authentic Caribbean character to conservatory settings
  • Indoor gardens: Excellent conversation starter as a specialty houseplant
  • Educational gardens: Great for demonstrating Puerto Rican native flora

Supporting Pollinators and Wildlife

Like many orchids, the rufous tiger orchid likely provides nectar for specialized pollinators in its native habitat. While specific pollinator relationships aren’t well-documented, growing this species helps maintain genetic diversity and supports conservation of Puerto Rico’s unique orchid flora.

The Bottom Line

The rufous tiger orchid is a rewarding choice for experienced orchid growers who appreciate native plants and enjoy a gardening challenge. While it requires specific conditions and careful attention, the reward is a piece of authentic Puerto Rican biodiversity right in your collection. Just remember – this is definitely a plant for the dedicated orchid enthusiast rather than the casual gardener!

Whether you’re building a collection of Caribbean natives or simply love unique orchids with interesting stories, Maxillaria acutifolia offers both beauty and conservation value that makes the extra effort worthwhile.

Rufous Tiger 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

Maxillaria Ruiz & Pav. - tiger orchid

Species

Maxillaria acutifolia Lindl. - rufous tiger orchid

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