e-Flora of Thailand

Volume 3 > Part 3 > Year 1988 > Page 300 > Blechnaceae > Blechnum

3. Blechnum indicum Burm.f.wfo-0001121797

Fl. Ind.: 231. 1768; Holttum, Rev. Fl. Malaya 2: 466. 1955; Tagawa & K.Iwats., Acta Phytotax. Geobot. 25: 18. 1971.


Accepted Name : Telmatoblechnum indicum (Burm.f.) Perrie, D.J.Ohlsen & Brownsey
Taxon 63: 755. 2014.



Synonyms & Citations :

Blechnum serrulatum auct. non Bedd.: Bedd., Handb. Ferns Brit. India: 132. 1883; Bonap., Notes Pteridol. 14: 58. 1923; Tardieu & C.Chr. in Fl. Indo-Chine 7(2): 208. 1940. Fig. 24. 3–4.


Description : Rhizome erect, up to a few decimetres tall, densely scaly; scales gradually narrowing toward acuminate apex, up to 5 by 0.7 mm, bright brown in central portion, brown and thin in margin. Stipe up to 30 cm long, stramineous, scaly at base, glabrous upwards, not bearing any auricles. Frond up to 50 by 18 cm, elliptic with acute apex; pinnae ascending, up to 30 pairs, subopposite, linear, truncate to cordate at sessile base, gradually narrowing towards acuminate but not pointed apex, minutely but sharply serrate at margin, up to 15 by 1.5 cm; soriferous pinnae usually narrower, about 7 mm wide; veins spreading nearly at right angles, about 1.5 mm apart near costa and usually twice forked, visible on both surfaces; subcoriaceous, glabrous thoughout. Sori linear, along costa, usually from near rachis to less than 1 cm from apex; indusia thin but firm, often hidden under sori at maturity.


Thailand : NORTH-EASTERN: Loei (Phu Kradueng); PENINSULAR: Surat Thani (Ban Son).


Distribution : Mishmee, Indochina, Malesia throughout (type from Java) to Polynesia and Australia.


Ecology : On plains in lower mountain forests or near sea coast.


E-version notes : For more details see Ferns of Thailand, Laos and Cambodia.


Main