Leather Fern

(Rumohra adiantiformis)

Leather Fern (Rumohra adiantiformis)

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Estimated Native Range
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Summary

Rumohra adiantiformis, commonly known as Leather Fern, is an evergreen fern native to a wide range of habitats including subtropical and tropical forests, as well as the understorey of coastal forests, and moist, shaded areas in the Subantarctic Islands, Zimbabwe to South Africa, Western Indian Ocean, New Guinea, Eastern and Southeastern Australia, and New Zealand. It typically grows to 90 cm (35 in) tall and broad, forming a lush, tufted clump with glossy dark green fronds. The fronds are notable for their round sori (reproductive clusters) on the underside of the pinnae (leaflets), which are covered by peltate indusia (umbrella-like films) and have prominent scales on the stipes (the stalk that supports the frond).

Leather Fern is valued for its hardiness and attractive foliage, making it a popular choice for groundcover in tropical-themed gardens and as a long-lasting greenery in floral arrangements. It has earned the Royal Horticultural Society’s Award of Garden Merit in the UK. While it can tolerate a range of light conditions, from full sun to part shade, it thrives best in moist, well-drained soils. In temperate regions, it is often grown as a houseplant due to its limited frost tolerance. This fern is relatively low-maintenance but should be protected from cold and kept in humid conditions to mimic its native environment.CC BY-SA 4.0

Plant Description

  • Plant Type: Fern
  • Height: 2-3 feet
  • Width: 2-3 feet
  • Growth Rate: Moderate
  • Flower Color: N/A
  • Flowering Season: Non-Flowering
  • Leaf Retention: Evergreen

Growth Requirements

  • Sun: Part Shade, Full Shade
  • Water: Medium, High
  • Drainage: Medium

Common Uses

Border Plant, Deer Resistant, Groundcover, Low Maintenance, Potted Plant, Street Planting

Natural Habitat

Subtropical and tropical forests, understorey of coastal forests, and moist, shaded areas

Other Names

Common Names: Leatherleaf Fern , Iron Fern , Calaguala , Samambaia-Preta

Scientific Names: Rumohra adiantiformis , Aspidium capense , Polystichum adiantiforme , Tectaria ferruginea , Polystichum coriaceum , Aspidium coriaceum , Tectaria coriacea , Aspidium discolor , Dryopteris capensis , Nephrodium duriusculum

GBIF Accepted Name: Rumohra adiantiformis (G.Forst.) Ching