Darwin's orchid (Angraecum sesquipedale)

Darwin's orchid

Also known as: Star of bethlehem orchid

Darwin's orchid is so-named for its association with Charles Darwin, who surmised that the uniquely shaped orchid would have to be pollinated by a certain, as-yet-undiscovered species of insect with an unprecedentedly long proboscis. Darwin was proved right two decades after his death: Angraecum sesquipedale is exclusively pollinated by Xanthopan morganii praedicta, the Morgan’s sphinx moth.

Scientific classification

Species

Darwin's orchid (Angraecum sesquipedale)

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Perennial

Lifespan

Herb

Plant Type

Spring, Summer

Bloom Time

17 cm to 22 cm

Flower Size

Cream

Fruit Color

White, Green, Cream

Flower Color

Green, White, Cream

Stem Color

Evergreen

Leaf type

20 - 38 ℃

Ideal Temperature

Images of Darwin's orchid

Distribution of Darwin's orchid

Distribution Map

Darwin's orchid is indigenous to the eastern African island region, thriving in its humid forest habitats. Beyond its native range, darwin's orchid has been successfully cultivated in various tropical and subtropical regions worldwide, attesting to its adaptive resilience and botanical interest.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Lowlands, near the east coast of the island, edge of forests

Hemisphere Trend Curve

Northern

Sorthern

Care Guide for Darwin's orchid

Every week

Water

Partial sun

Sunlight

20 - 38 ℃

Ideal Temperature

Orchid Potting Mix

Soil Type

Water: Originating from Madagascar's humid climate, darwin's orchid thrives in moist environments with moderate drought tolerance. Weekly watering is essential for maintaining soil moisture. As an epiphytic orchid ideal for indoor growth, darwin's orchid greatly benefits from increased ambient humidity for optimal growth and flowering.

Fertilize: For optimal growth, darwin's orchid needs regular fertilization with high phosphorus fertilizers, bi-weekly in spring/summer and monthly in fall, stopping in winter. Use a quarter-strength solution and water before fertilizing to enhance nutrient absorption and prevent root damage, adapting to its seasonal nutrient needs.

Pruning: Darwin's orchid features large, fragrant white flowers with long nectar spurs. Minimal pruning involves trimming dead leaves and spent stems from early spring to late winter. Ensuring good airflow prevents disease and boosts flower production. Use sterilized tools to avoid infections.

Propagation: Darwin's orchid is usually propagated via cuttings, requiring a healthy section with a growth node. Use sterile tools to avoid disease. Optimal conditions include a well-draining medium, consistent moisture, and indirect light. Gradually acclimatize rooted cuttings to match mature plant conditions.

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