Acrostichum speciosum Willd.

Family

Pteridaceae, subfamily Parkerioideae

Nomenclature

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.

Description

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.

Ecology

In mangrove swamps, collected rarely but probably more common.

IUCN Conservation Assessment

Least Concern (LC) as listed on the IUCN Red List at http://www.iucnredlist.org/apps/redlist/details/178813/0.

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