Ferns of Thailand, Laos and Cambodia

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Family

Polypodiaceae

Nomenclature

Selliguea laciniata (C.Presl) Parris, Malayan Nat. J. 50: 267. 1997; Hovenkamp, Blumea 43: 47. 1998; Hovenkamp, Fl. Males., Ser. II, Ferns and Fern Allies 3: 210. 1998. – Phymatodes laciniata C.Presl, Tent. Pterid.: 197. 1836, based on Polypodium laciniatum Blume non Omel. – Pleopeltis laciniata (C.Presl) Bedd., Suppl. Ferns Brit. India: 97. 1892. – Crypsinus laciniatus (C.Presl) Holttum, Rev. Fl. Malaya ed. 1, 2: 198, f. 98. 1955 [‘1954’]; Holttum, Dansk Bot. Ark. 20: 21. 1961; Tagawa & K.Iwats., SouthE. Asian Stud. 5: 60. 1967; Tagawa & K.Iwats., Fl. Thailand 3: 562. 1989; Boonkerd & Pollawatn, Pterid. Thailand: 267. 2000. – Type: van Hasselt s.n. (L), Java.

Description

Rhizome long creeping, about 5–13 mm diam., densely covered with scales throughout, glaucous beneath scales; scales pseudopeltate to peltate, gradually narrowing from rounded base to long-tailed apex, 5–7(–9) by 1.2–2 mm, irregularly toothed at margin, evenly brown or slightly paler at margin, thin. Stipes jointed to rhizome on scaly phyllopodia, pale castaneous, a little polished, glabrous, 15–28(–40) cm long. Laminae oval or oblong, 23–30(–48) long by 25–55 cm broad, deeply pinnatifid, the wings of rachis 3–7 mm in breadth in the narrowest portion; lateral lobes 4–7 pairs, the basal pair deflexed, the others ascending, straight, lanceolate, more or less narrowing towards base, caudately acuminate at apex, shallowly serrate at margin, 13–27 by 1.5–2.5 cm; main veins distinct, 5–7 mm from each other, other veins obscure, reticulate, forming irregular anastomosis with included free veinlets; papyraceous to chartaceous, green. Sori one between adjacent main veins, in a single row at each side of costa, not so close to costa, round , up to 3 mm diam., raised on upper surface.

Distribution in Thailand

PENINSULAR: Krabi, Nakhon Si Thammarat.

Wider Distribution

W Malesia.

Ecology

On mossy trunks of fallen trees in clearing at ridge at about 1500 m alt.

Proposed IUCN Conservation Assessment

Least Concern (LC). This species is widespread and not under any known threat.

Voucher specimens - Thailand

Williams et al. 1987, Krabi (E).

	Ferns of Thailand, Laos and Cambodia
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Selliguea laciniata (C.Presl) Parris Warning: count(): Parameter must be an array or an object that implements Countable in C:\Data\serverroots\htdocs\ThaiFerns\factsheets\functions.php on line 17 Family Polypodiaceae Nomenclature Selliguea laciniata (C.Presl) Parris, Malayan Nat. J. 50: 267. 1997; Hovenkamp, Blumea 43: 47. 1998; Hovenkamp, Fl. Males., Ser. II, Ferns and Fern Allies 3: 210. 1998. – Phymatodes laciniata C.Presl, Tent. Pterid.: 197. 1836, based on Polypodium laciniatum Blume non Omel. – Pleopeltis laciniata (C.Presl) Bedd., Suppl. Ferns Brit. India: 97. 1892. – Crypsinus laciniatus (C.Presl) Holttum, Rev. Fl. Malaya ed. 1, 2: 198, f. 98. 1955 [‘1954’]; Holttum, Dansk Bot. Ark. 20: 21. 1961; Tagawa & K.Iwats., SouthE. Asian Stud. 5: 60. 1967; Tagawa & K.Iwats., Fl. Thailand 3: 562. 1989; Boonkerd & Pollawatn, Pterid. Thailand: 267. 2000. – Type: van Hasselt s.n. (L), Java. Description Rhizome long creeping, about 5–13 mm diam., densely covered with scales throughout, glaucous beneath scales; scales pseudopeltate to peltate, gradually narrowing from rounded base to long-tailed apex, 5–7(–9) by 1.2–2 mm, irregularly toothed at margin, evenly brown or slightly paler at margin, thin. Stipes jointed to rhizome on scaly phyllopodia, pale castaneous, a little polished, glabrous, 15–28(–40) cm long. Laminae oval or oblong, 23–30(–48) long by 25–55 cm broad, deeply pinnatifid, the wings of rachis 3–7 mm in breadth in the narrowest portion; lateral lobes 4–7 pairs, the basal pair deflexed, the others ascending, straight, lanceolate, more or less narrowing towards base, caudately acuminate at apex, shallowly serrate at margin, 13–27 by 1.5–2.5 cm; main veins distinct, 5–7 mm from each other, other veins obscure, reticulate, forming irregular anastomosis with included free veinlets; papyraceous to chartaceous, green. Sori one between adjacent main veins, in a single row at each side of costa, not so close to costa, round , up to 3 mm diam., raised on upper surface. Distribution in Thailand PENINSULAR: Krabi, Nakhon Si Thammarat. Wider Distribution W Malesia. Ecology On mossy trunks of fallen trees in clearing at ridge at about 1500 m alt. Proposed IUCN Conservation Assessment Least Concern (LC). This species is widespread and not under any known threat. Voucher specimens - Thailand Williams et al. 1987, Krabi (E). Warning: count(): Parameter must be an array or an object that implements Countable in C:\Data\serverroots\htdocs\ThaiFerns\factsheets\functions.php on line 17
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Selliguea laciniata (C.Presl) Parris