Volume 3 > Part 1 > Year 1979 > Page 24 > Selaginellaceae > Selaginella

16. Selaginella involvens (Sw.) Springwfo-0000748166

Bull. Acad. Roy. Sci. Bruxelles. 10: 136. 1843; emend. Hieron., Hedwigia 50: 2. 1911; Alston in Fl. Indo-Chine 7(2): 573. 1951; Tagawa & K.Iwats., S.E. Asian Stud. 5: 30. 1967.— Lycopodium involvensSw. Syn. Fil.: 182. 1806.

Accepted Name : This is currently accepted.

Synonyms & Citations :

Description : Stems in two portions, rhizomes and erect stems, rhizomes creeping under moss or in earth, sparsely bearing brown leaves, 1.5–2 mm in diameter, main erect stems 15–40 cm long, bearing more or less adpressed uniform leaves in lower portion; lateral branches tripinnate, glabrous; ultimate branches 1.5–2 mm in breadth. Ventral leaves elliptic or ovate-oblong with falcate upper portion, acute at apex, round to cordate at base, about 1.5 mm long, 0.7 mm broad; edges entire or minutely dentate near acroscopic base, texture papyraceous, yellowish green, sometimes reddish; dorsal leaves elliptic, aciculate at apex, minutely dentate at margin. Spikes about 1 mm in diameter; sporophylls ovate-subtriangular with long apex about 1 mm in length, with minute teeth at edges.

Thailand : NORTHERN: Chiang Mai (Doi Phahom Pok, Doi Chiang Dao, Doi Suthep, Doi Pha Mon, Mae Klang, Doi Inthanon), Phitsanulok (Phu Miang), Tak (Khao Phra Wo); EASTERN: Chaiyaphum; CENTRAL: Nakhon Nayok (Khao Yai); SOUTH-EASTERN: Chanthaburi (Khao Soi Dao), Trat (Ko Chang, Ko Kut); PENINSULAR: Trang (Khao Chong).

Distribution : Ceylon, India, Burma, China, Indochina, S Korea, Japan (type) to Taiwan, Borneo, Celebes and Flores.

Ecology : On dry mountain slopes or on rocks in light to dense forests.

Vernacular : Foen phaeng (เฟินเเผง)(Northeastern).