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Marsilea crenata, commonly known as dwarf waterclover or tapak itik in Malay, is an aquatic fern resemblance a four-leaf clover growing in deep water. It has tiny leaves that rarely wider than 0.5 cm. The fronds are erect with a long stipe that can grow up to 30 cm long where the roots develop at the base of each frond. Sporangia develop in sporocaps near the base of the stipe. Its spores are of consist of two types; megaspores and microspores (Lee Kong Chian Natural History Museum, 2020). During the growing season, this fern has produced long and slender rhizomes to adapt in flooded rice fields. Its rhizomes then become short-creeping and produce much smaller leaves closer together once the fields dry up. The length of the petioles depends on water depth. In low water level, the leaves protrude above the water surface and will float with increasing water level. M. crenata grows on muddy soils in stagnant water, ditches, shallow pools and rice fields, from lowland up to 900 m altitudes. It also tolerates polluted freshwater (Afriastini, 2016).
Year Published | Assessment | Red List Category | Version |
---|---|---|---|
2011 | IUCN Red List of Threatened Species |
Least Concern (LC)
|
3.1 |
2010 | Malaysia Plant Red List |
Not Evaluated (NE)
|
3.1 |
Acknowledgements :- Ms. Aida Salihah Binti Abu Bakar, Mrs. Aziemah Binti Kinan, Ms. Mira Farzana Binti Mohamad Mokhtar, Ms. Norazah Binti Norddin, Mrs. Nur Hazwanie Binti Abd Halim, Mrs. Nurfarhana Hizan Binti Hijas, Ms. Siti Zubaidah Binti Abdul Latif & Mr. Tan Kok Kiat
Species Citation :- Marsilea crenata. Malaysia Biodiversity Information System (MyBIS). Accessed via https://www.mybis.gov.my/sp/4235. [Retrieved 28 March 2024].
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