North America Native Plant

Pandanus-leaf Sawsedge

Botanical name: Mapania sumatrana pandanophylla

USDA symbol: MASUP

Life cycle: perennial

Habit: grass

Native status: Native to Pacific Basin excluding Hawaii  

Synonyms: Mapania pandanophylla (F. Muell.) K. Schum. (MAPA20)   

Pandanus-Leaf Sawsedge: A Unique Native Sedge for Tropical Gardens If you’re looking to add an authentic tropical touch to your Pacific island garden, meet the pandanus-leaf sawsedge – a fascinating native sedge that brings both beauty and ecological value to the landscape. This distinctive plant, scientifically known as Mapania sumatrana ...

Pandanus-Leaf Sawsedge: A Unique Native Sedge for Tropical Gardens

If you’re looking to add an authentic tropical touch to your Pacific island garden, meet the pandanus-leaf sawsedge – a fascinating native sedge that brings both beauty and ecological value to the landscape. This distinctive plant, scientifically known as Mapania sumatrana pandanophylla, offers gardeners in tropical zones a wonderful opportunity to grow something truly special and locally native.

What Makes This Plant Special?

The pandanus-leaf sawsedge gets its common name from its striking resemblance to pandanus foliage, featuring long, narrow leaves that create an elegant, tropical appearance. As a member of the sedge family (Cyperaceae), this perennial plant brings a grass-like texture to the garden while maintaining its own unique character. You might also encounter it listed under its botanical synonym, Mapania pandanophylla.

Where It Calls Home

This remarkable sedge is native to the Pacific Basin, with documented populations thriving in Guam and Palau. For gardeners in these regions, choosing pandanus-leaf sawsedge means supporting local biodiversity and maintaining the natural heritage of Pacific island ecosystems.

Why Consider Growing Pandanus-Leaf Sawsedge?

There are several compelling reasons to include this native sedge in your tropical garden:

  • Authentic tropical appeal: The pandanus-like foliage creates an instant tropical atmosphere
  • Native plant benefits: Supports local ecosystems and requires less intervention once established
  • Unique texture: Adds grass-like movement and texture to mixed plantings
  • Low maintenance: As a native species, it’s naturally adapted to local conditions

Perfect Garden Settings

Pandanus-leaf sawsedge shines in several landscape applications. It works beautifully in naturalistic tropical gardens where you want to recreate native Pacific island plant communities. Consider using it as an accent plant in mixed borders, or incorporate it into rain gardens where its sedge nature can help with water management. It’s also excellent for creating authentic tropical themes in resort or commercial landscapes.

Growing Conditions and Care

Success with pandanus-leaf sawsedge comes from understanding its tropical origins and sedge family characteristics. This plant thrives in USDA hardiness zones 10-12, making it suitable only for consistently warm, tropical climates.

Light requirements: Provide partial shade to filtered light – think of the dappled sunlight found under tropical canopies.

Soil and moisture: Like most sedges, this plant appreciates consistently moist soil. While specific wetland status isn’t documented, providing regular irrigation will keep it happy. Well-draining soil that doesn’t dry out completely works best.

Temperature: Being tropical by nature, this sedge needs warm temperatures year-round and won’t tolerate frost or extended cool periods.

Planting and Establishment Tips

When planting pandanus-leaf sawsedge, choose a location that offers some protection from the strongest midday sun. Prepare the planting area by incorporating organic matter to help retain moisture while still allowing drainage.

Space plants appropriately to allow for their mature spread, though specific size information varies. Like most sedges, expect steady but not aggressive growth once established.

Water regularly during establishment, then maintain consistent soil moisture. In tropical climates with distinct wet and dry seasons, supplement rainfall during drier periods.

A Note on Availability

As a native plant with limited distribution, pandanus-leaf sawsedge may not be widely available in standard nurseries. If you’re gardening in Guam, Palau, or other suitable tropical locations, check with native plant societies, botanical gardens, or specialty nurseries that focus on indigenous species. When sourcing this plant, always ensure it comes from responsible propagation rather than wild collection to protect natural populations.

The Bottom Line

Pandanus-leaf sawsedge offers tropical gardeners a unique opportunity to grow something both beautiful and ecologically meaningful. Its distinctive foliage, native heritage, and relatively straightforward care requirements make it an excellent choice for gardeners wanting to create authentic tropical landscapes while supporting local plant communities. Just remember – this is definitely a warm-climate-only plant, so save it for those lucky enough to garden in true tropical paradise!

Pandanus-leaf Sawsedge

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

Cyperaceae Juss. - Sedge family

Genus

Mapania Aubl.

Species

Mapania sumatrana (Miq.) Benth. - Sumatran sawsedge

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