e-Flora of Thailand

Volume 3 > Part 1 > Year 1979 > Page 23–24 > Selaginellaceae > Selaginella

15. Selaginella tamariscina (P.Beauv.) Springwfo-0000748162

Bull. Acad. Roy. Sci. Bruxelles 10: 136. 1843; Alston in Fl. Indo-Chine 7(2): 559. 1951; Tagawa & K.Iwats., S.E. Asian Stud. 5: 28. 1967.— Stachygynandrum tamariscinumP.Beauv., Mag. Encycl. 9. 5: 483. 1804.


Accepted Name : This is currently accepted.


Description : Pseudo-trunks to more than 10 cm long, 2 cm in diameter, consisting of intermingled roots, rhizophores and stems, bearing stems in tuft near apex; lateral branches bi- to tri-pinnate, strongly involute in dried condition to 20 cm tall; ultimate branches 2–3 mm wide. Ventral leaves asymmetrically elliptic, long acuminate at apex, round at base, 1.5–2 mm long; edges minutely dentate, texture papyraceous to subcoriaceous, deep green on upper surface, paler underneath, veins distinct beneath; dorsal leaves asymmetrically ovoid, long-acuminate with long tailed at apex, dentate at margin. Spikes about 2 mm in diameter; sporophylls ovate-subtriangular, long-tailed at apex, dentate at margin.


Thailand : NORTHERN: Chiang Mai (Doi Chiang Dao).


Distribution : E Asia north to E Siberia, Manchuria and Hokkaido in N Japan, south to the Philippines and Lombok (type from ‘India orientalis’). This is one of the rare representatives of the temperate species in Thailand, but is known in Indochina rather commonly at low altitudes.


Ecology : In crevices of dry exposed limestone cliffs at about 2,000 m alt., known only in one locality.


Vernacular : Dok hin (ดอกหิน)(Northern).


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