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Copyright © 2026 Ocean Park Hong Kong. All rights reserved.

Ocean Park Corporation is a charitable institution registered with Inland Revenue Department, Hong Kong (File No: 91/2801).

Ocean Park Hong Kong, 180 Wong Chuk Hang Road, Aberdeen, Hong Kong | Tel: (852) 3923 2323 | Fax: (852) 2873 5584

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  • Bull Bay
Plants

Bull Bay

Scientific Name

Magnolia grandiflora

Other Common Name(s)

Southern Magnolia, Lotus-flowered Magnolia

Height

Up to 30 m

Flowering Season

May to July

Fruiting Season

September to October

Reproduction

Pollinated by beetles. Seeds dispersed by birds and mammals.

Fun Facts

  • Bull bay has large, fragrant flowers that look like lotus flowers. The white corolla can reach 20 to 30 cm wide. They can be used to make perfume.

  • The large, red seeds grow in a seed pod that looks like a pine cone. When they ripen, the pod opens and the seeds hang loosely by a thin, white thread.

Origins

Southeastern United States

Threats & Conservation

Threats & Conservation

Threats or Importance

  • Human Disturbance & Ecosystem Disruption

  • Climate Change

The leaves can be the food of the caterpillars of the common bluebottle and common jay, which are both butterflies found in Hong Kong. The seeds are eaten by squirrels and quails. The pollen is rich in protein and is the food of beetles.

Conservation

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Saving Species & Habitats

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Explore more animals & plants

Plants

Moth Orchids

Reptiles

European Legless Lizard

Mammals

Harbour Seal