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Padina .sp
Lee Kong Chian Natural History Museum

Padina sp. Adanson, 1763

Common Names:Mermaid's Fan


The plant has a flattened thallus, 4-10 x 1-7 cm, erect, fan-shaped, simple or segmented into smaller parts. Along the 2-cells thick thallus (sometimes more) are concentric rings of hairs. A rhizoidal holdfast anchors it to the substratum, usually a rock.

Read more about the Dictyotales order.
Read more about the Dictyotaceae family.


All tropical and warm temperate sea coasts.


On rocky shores on the main and offshore islands.

Locality Map

General Biology

Padina grows on rocks in the intidal zone. Three species have been documented for Singapore: P. australis Hauck, P. antillarum (Kutz.) Picc. and P. boryana Thivy (Teo & Wee, 1983; Trono, 2002).

Life Cycle

 Asexual reproduction is by tetraspores while sexual reproduction is oogamous.

Human Uses

Padina can be used as fertiliser or a source of phycocolloid alginate. A few species are sometimes eaten.


Bold, H. C., C. J. Alexopoulos & T. Delevoryas, 1987. Morphology of plants and fungi. Harper & Row, New York. (5th ed.). 912pp.

Trono, G. C. Jr., 2002. Padina Adans. In: Prud’homme van Reine, W. F. & G. C. Trona Jr. (eds.), Plant resources of South-East Asia No. 15(1). Cryptogams: Algae. Prosea Foundation, Borgor, Indonesia. Pp. 233-235.

Teo, L. W. & Y. C. Wee, 1983. Seaweeds of Singapore. Singapore University Press. 123 pp.

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