mangroves | Acrostichum in general
Piai lasu
Acrostichum speciosum

Family Pteridaceae

updated Aug 09
Where seen? The more delicate and elegant of our mangrove ferns, it is often seen in back mangroves, flourishing on mud lobster mounds and other higher ground, usually in the shade. Compared to Piai raya (A. aureum), it is found in areas more frequently inundated by tides.

Features: The fronds are thinner and shorter (to about 1.5m long) than those of Piai raya (A. aureum) and young fronds are green or brownish-green. Rhizomes covered with scales up to 8mm long. Lower surface of fertile leaflets completely covered with dark brown sporangia, sterile leaflets gradually tapering to a narrow tip.

See the main page on mangrove ferns for their human uses.

Sungei Buloh Wetland Reserve, Mar 09

Sungei Buloh Wetland Reserve, Aug 09

Pulau Semakau, Jan 09

Sungei Buloh Wetland Reserve, Mar 09
Young fronds are green.


Admiralty Park, Mar 11

Admiralty Park, Mar 11

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