Volume 3 > Part 1 > Year 1979 > Page 9–10 > Lycopodiaceae > Lycopodium

4. Lycopodium squarrosum G.Forst.wfo-0001108795

Fl. Ins. Austr.: 479. 1786; Alston in Fl. Indo-Chine. 7(2): 550. 1951; Tagawa & K.Iwats., S.E. Asian Stud. 5: 27. 1967.

Accepted Name : Huperzia squarrosa (G.Forst.) Trevis.
Atti Soc. Ital. Sci. Nat. 17: 247. 1875.

Description : Stems to 70 cm or more in length, dichotomously branching a few times, usually up to 5 mm in diameter near base. Leaves dense, usually patent and squarrose, linear lanceolate, acuminate at apex, hardly narrowing towards the sessile base, to 1.3 cm long, 1–2 mm broad at the broadest portion, entire, the basal leaves smaller, more sparse, upper ones usually narrower; veins visible on both surfaces; texture coriaceous, green. Sporophylls more or less smaller, or sometimes not different from the trophophylls, forming no distinct cones but slender apical fertile portions.

Thailand : NORTHERN: Phitsanulok (Phu Miang); NORTH-EASTERN: Loei (Phu Luang, Phu Kradueng); EASTERN: Nakhon Ratchasima (Khao Laem); CENTRAL: Nakhon Nayok (Khao Yai); SOUTH-EASTERN: Chanthaburi (Phlio), Trat (Dan Chumphon); SOUTH-WESTERN: Kanchanaburi (Klang Dong, Song Tho); PENINSULAR: Surat Thani (Ban Kop Kaep), Phangnga (Bang To), Nakhon Si Thammarat (Khiriwong).

Distribution : Madagascar, Seychelles, Mascarene Islands, tropics of Asia and Oceania (type from Tahiti), north to E Himalaya.

Ecology : On tree-trunks or on muddy rocks in dense evergreen forests usually near streams at lower or middle altitudes.

Vernacular : Chong nang khli (ช้องนางคลี่)(Northern); hang khang (หางค่าง)(Peninsular).

Notes: The specific delimitation of this gigantic species is rather difficult and some of the Thai specimens may belong to a form known as Lycopodium ulicifolium Vent ex Sw., Syn. Fil: 177. 1806.