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| plants text index | photo index |
| mangroves | Acrostichum in general |
| Piai
lasu Acrostichum speciosum Family Pteridaceae updated Jan 2013 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 leaflets are thinner and shorter (1.5-2m long) than those of Piai raya (A. aureum) and young fronds are green or brownish-green. Rhizomes covered with scales up to 8mm long. The first few pairs near the tips are fertile leaflets, the underside covered below with dark brown spores (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 |
 Young fronds are green. Sungei Buloh Wetland Reserve, Mar 09 |
 Sterile fronds have tapering pointed tips. Sungei Buloh Wetland Reserve, Mar 09 |
 Fertile fronds. Admiralty Park, Mar 11 |
| Piai lasu on Singapore shores |
| Photos of Piai lasu for free download from wildsingapore flickr |
| Distribution in Singapore on this wildsingapore flickr map |
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