Acrostichum speciosum Willd.


Pteridaceae, subfamily Parkerioideae


Acrostichum speciosum Willd., Sp. Pl. 5: 117. 1810; Tardieu & C.Chr., Fl. Indo-Chine 7(2): 164, f. 19,1–2. 1940; Holttum, Rev. Fl. Malaya ed. 1, 2: 410, f. 240. 1955 [‘1954’]; Tagawa & K.Iwats., Acta Phytotax. Geobot. 24: 61 1969; Tagawa & K.Iwats., Fl. Thailand 3: 258. 1985; Boonkerd & Pollawatn, Pterid. Thailand: 126. 2000. – Chrysodium aureum var. schmidtii Christ, Bot. Tidsskr 24: 104. 1901. – Acrostichum aureum var. schmidtii (Christ) C.Chr., Bot. Tidsskr. 32: 349. 1916.


Terrestrial, including in flooded areas. Similar to Acrostichum aureum L., differing only in: rhizome scales larger; plants smaller, up to 1.5 m tall; sterile pinnae acuminate at apex, cuneate at base .

Distribution in Thailand

SOUTH-EASTERN: Trat; PENINSULAR: Ranong, Phangnga.

Wider Distribution

Tropical Asia to Australia.


In mangrove swamps, collected rarely but probably more common.

IUCN Conservation Assessment

Least Concern (LC) as listed on the IUCN Red List at

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