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Zealandia pustulata subsp. pustulata

Lecanopteris pustulata – Epiphytic Fern with Glossy Fronds and Creeping Rhizomes


Lecanopteris pustulata (G.Forst.) Perrie and Brownsey, published in Blumea 66: 246 (2021), is a compact epiphytic fern native to southeast Queensland, New South Wales, Lord Howe Island, Norfolk Island, and New Zealand. It thrives in the canopy of tropical and subtropical forests, where its leathery fronds and creeping rhizomes cling to tree bark or rocks. Perfect for terrariums, vertical displays, or shaded shelves, this slow-growing species offers refined texture, humidity resilience, and safe compatibility with pets.



Key Features of Lecanopteris pustulata


  • Compact Epiphyte: Forms neat, slow-spreading clumps on bark, cork, or loose, airy substrates
  • Glossy Foliage: Fronds are firm, deep green, and either entire or shallowly lobed
  • Rhizome Structure: Creeping rhizomes may swell slightly with age but do not form ant chambers
  • Safe for Pets: Non-toxic to cats, dogs, and humans — ideal for mixed indoor households
  • Mount-Ready: Naturally adapted for cork slabs, terrarium walls, or orchid-style potting


Origin and Growth Habit

This fern is native to high-moisture forests in eastern Australia and across island ecosystems of the southwest Pacific. It grows epiphytically in shaded, humid conditions, often alongside mosses and orchids. Unlike its ant-associated relatives in the genus Lecanopteris, L. pustulata does not form hollow rhizomes. Its spreading form and tolerance for stable indoor conditions make it particularly suitable for contained environments like terrariums and ripariums.



Indoor Care for Lecanopteris pustulata


  • Light: Indirect light to deep shade. Avoid exposure to direct sun or hot windows
  • Watering: Water when substrate is nearly dry. Keep evenly moist but never soggy
  • Humidity: Prefers 60–80%. Ideal for terrariums or closed cases, but tolerates ambient room humidity with care
  • Substrate: Use sphagnum moss, fine orchid bark, and perlite for a breathable mix. Avoid peat-heavy soils
  • Temperature: Maintain 16–26 °C. Avoid rapid fluctuations or dry heat
  • Feeding: Apply diluted balanced fertiliser once a month during spring and summer
  • Repotting or Remounting: Every 2–3 years or when rhizomes fully cover their mount. Refresh moss as needed


Common Problems and Solutions


  • Rhizome Rot: Overwatering or dense substrate. Improve aeration and dry the base thoroughly
  • Brown Leaf Edges: Usually from low humidity or inconsistent watering. Adjust airflow and mist roots, not fronds
  • Yellowing Fronds: May indicate nutrient deficiency or old age — remove spent fronds at base
  • Pest Pressure: Rare, but monitor for scale or mealybugs. Spot treat with insecticidal soap


Long-Term Cultivation Tips

Lecanopteris pustulata thrives when left undisturbed in consistent conditions. It is best mounted or grown in shallow open containers with high drainage. Ensure the rhizome is not buried — exposure to airflow prevents rot. In enclosed systems, use distilled or rainwater to avoid mineral buildup. This species pairs well with other epiphytes like miniature orchids, Davallia, or Marcgravia in complex terrarium layouts.



Etymology and Classification

The genus Lecanopteris combines Greek lekanē (basin) and pteris (fern), referencing the often swollen rhizomes of some species. The specific epithet pustulata refers to its blister-like sori on the frond underside. This species was originally described by G. Forster and reassigned by Perrie and Brownsey in 2021 based on phylogenetic research within Polypodiaceae.



Frequently Asked Questions


  • Can I grow Lecanopteris pustulata in a pot? Yes — use a well-draining, bark-based substrate and keep the rhizome above the soil line
  • Is this fern ant-associated? No — unlike some Lecanopteris species, it does not form ant-housing structures
  • Is it safe for pets? Yes — it's non-toxic and safe for indoor environments with cats, dogs, or reptiles


Add Lecanopteris pustulata to Your Collection

Lecanopteris pustulata is a subtle, slow-growing fern that rewards stable care with graceful fronds and unusual texture. Order now for a compact, mountable epiphyte perfect for shaded rooms, glass displays, or rainforest-themed terrariums.

Lecanopteris pustulata

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  • Zealandia pustulata subsp. pustulata comes in following sizes:


    M – is approximately 30 cm tall and comes in a ⌀ 17 cm pot

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