Telegraph Plant (Codariocalyx motorius)

Telegraph Plant

Codariocalyx motorius

Its tiny lateral leaves dance like semaphore signals, a living botanical curiosity. Deciduous herbaceous perennial; common names: telegraph plant, semaphore plant.

Partial sun
2–3/week
Moderate
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Plant Needs

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Sunlight Bright indirect to full sun; leaf movement is most visible in consistent bright light; protect from harsh midday summer sun
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Watering Keep soil evenly moist, allowing the top 1cm of substrate to dry between waterings; avoid waterlogging
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Temperature Thrives in warm, humid conditions; avoid temperatures below 12°C to prevent leaf drop and stunted growth
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Characteristics

  • Leaf: Compound leaves with two small, rapidly moving lateral leaflets; larger terminal leaflet is oval, glossy medium green
  • Flower: Small pale purple to pink pea-like blooms in axillary racemes
  • Stem: Slender, green to brownish, slightly pubescent in young growth
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Care Guide

Watering

Maintain consistent soil moisture; mist foliage to boost ambient humidity

Fertilization

Diluted balanced liquid fertilizer every 2 weeks. Discontinue fertilizing in autumn and winter when growth slows

Banana peel compost tea:Use fully composted banana peels soaked in water for 3 days; dilute 1:20 for root drench to avoid pest infestations from raw organic matter
Pruning
  • Pinch back young stem tips to encourage bushier, compact growth
  • Remove yellowing or damaged leaves to improve airflow and plant appearance
  • Cut back leggy stems in early spring to stimulate new foliage growth
  • Trim spent flower spikes to redirect energy to leaf development
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: No listed toxicity to cats

Humans: No documented toxicity to humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental plant valued for its unique moving leaflets; used in educational botanical demonstrations