North America Native Plant

Sloane’s Tribisee

Botanical name: Lasiacis sloanei

USDA symbol: LASL

Life cycle: perennial

Habit: vine

Native status: Native to Puerto Rico  

Synonyms: Panicum sloanei Griseb. (PASL)   

Sloane’s Tribisee: A Native Puerto Rican Grass Worth Knowing Meet Sloane’s tribisee (Lasiacis sloanei), a native Puerto Rican grass that’s flying under the radar in most gardening circles. While this perennial graminoid might not be the star of your typical plant catalogs, it represents an important piece of Puerto Rico’s ...

Sloane’s Tribisee: A Native Puerto Rican Grass Worth Knowing

Meet Sloane’s tribisee (Lasiacis sloanei), a native Puerto Rican grass that’s flying under the radar in most gardening circles. While this perennial graminoid might not be the star of your typical plant catalogs, it represents an important piece of Puerto Rico’s natural heritage that deserves a closer look.

What is Sloane’s Tribisee?

Sloane’s tribisee belongs to the grass family and falls into the category of graminoids – that diverse group of grass-like plants that includes not just true grasses, but also sedges, rushes, and their relatives. As a perennial, this plant comes back year after year, making it a potentially valuable long-term addition to native plant gardens.

You might also encounter this plant referenced by its scientific synonym, Panicum sloanei, in older botanical literature. But don’t let the scientific names intimidate you – this is simply a native grass that has adapted to thrive in Puerto Rico’s unique climate and conditions.

Where Does It Grow?

Sloane’s tribisee is endemic to Puerto Rico, meaning it calls this beautiful Caribbean island home and nowhere else. This makes it a true native treasure for Puerto Rican gardeners looking to support their local ecosystem and preserve indigenous plant communities.

Why Consider Sloane’s Tribisee for Your Garden?

While detailed cultivation information for this species remains elusive, there are compelling reasons to consider native grasses like Sloane’s tribisee:

  • Authentic native landscaping: Using truly native plants helps preserve Puerto Rico’s natural plant heritage
  • Adapted to local conditions: Native plants are naturally suited to local climate, soil, and rainfall patterns
  • Low maintenance potential: Once established, native plants typically require less water, fertilizer, and pest control
  • Ecosystem support: Native grasses often provide habitat and food sources for local wildlife

The Challenge of Growing Sloane’s Tribisee

Here’s where things get interesting – and a bit challenging. Sloane’s tribisee appears to be one of those native plants that hasn’t yet made the leap from wild spaces into cultivation. Information about its specific growing requirements, ideal garden applications, and care instructions is notably scarce.

This isn’t necessarily a bad thing; it just means that growing this plant successfully might require some detective work and experimentation. If you’re the type of gardener who enjoys pioneering new plants and contributing to horticultural knowledge, Sloane’s tribisee could be an exciting project.

What We Don’t Know (Yet)

Unfortunately, many details about this native grass remain mysteries waiting to be solved:

  • Specific soil and water requirements
  • Mature size and growth rate
  • Flowering characteristics and seasonal appearance
  • Preferred sun exposure
  • Propagation methods
  • Specific wildlife benefits

A Plant for the Future

Sloane’s tribisee represents an opportunity for adventurous native plant enthusiasts in Puerto Rico. As interest in native landscaping grows and botanical knowledge expands, plants like this one may eventually become better understood and more widely cultivated.

If you’re interested in experimenting with this native grass, your best bet might be to observe it in its natural habitat first. Take note of the conditions where you find it thriving – soil type, moisture levels, sun exposure, and companion plants. This detective work could provide valuable clues for successful cultivation.

While we wait for more cultivation information to emerge, remember that every native plant plays a role in its ecosystem. By supporting and preserving species like Sloane’s tribisee, we’re helping maintain the rich biodiversity that makes Puerto Rico’s landscapes so special.

Have you encountered Sloane’s tribisee in the wild? We’d love to hear about your observations and any cultivation experiments you might try with this intriguing native grass!

Sloane’s Tribisee

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Commelinidae

Order

Cyperales

Family

Poaceae Barnhart - Grass family

Genus

Lasiacis (Griseb.) Hitchc. - smallcane

Species

Lasiacis sloanei (Griseb.) Hitchc. - Sloane's tribisee

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