Shiny Oysterwood (Gymnanthes lucida)

Shiny Oysterwood

Gymnanthes lucida

Its glossy leaves hold tropical quietude year-round. Evergreen shrub or small tree; common name: shiny oysterwood.

Full sun
1–2/week
Moderate
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Plant Needs

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Sunlight Full to partial sun; tolerates dappled shade in extreme heat to prevent leaf scorch
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Watering Water deeply when the top 5 cm of soil dries out; avoid standing water to prevent root rot
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Temperature Thrives in warm subtropical to tropical conditions; protect from frost below 10°C
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Characteristics

  • Leaf: Glossy elliptical to obovate leaves, 5–12 cm long, dark green above, pale green below
  • Flower: Inconspicuous greenish-yellow axillary flower clusters
  • Stem/Bark: Smooth light brown to gray bark; young stems have fine pubescence
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Care Guide

Watering

Keep soil consistently moist but not waterlogged; mulch to retain moisture

Fertilization

Apply balanced organic feed once monthly. Stop fertilizing in autumn to support dormancy preparation

Banana peel compost tea:Compost banana peels for 2–3 months, steep in water for 24 hours, dilute 1:20 for root drench to boost flowering and leaf health
Pruning
  • Remove dead, damaged, or crossing branches in early spring to improve airflow
  • Shape to maintain desired height and form in late winter before new growth emerges
  • Trim back overgrown stems to encourage dense, bushy growth
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: No ASPCA-listed toxicity for cats

Humans: No documented toxic effects for humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental landscaping; provides shelter for small coastal wildlife