e-Flora of Thailand

Volume 3 > Part 2 > Year 1989 > Page 205–206 > Parkeriaceae > Cheilanthes

7. Cheilanthes delicatula Tagawa & K.Iwats.wfo-0000141787

Acta Phytotax. Geobot. 25: 19. 1971.


Accepted Name : Hemionitis delicatessa Christenh.
Global Fl. 4: 12. 2018.


Description : Rhizome short-creeping, bearing close fronds, densely scaly; scales linear, up to 3 by 0.1 mm, bright brown. Stipe slender, about 0.2 mm in diameter, bright castaneous, polished, glabrous or rarely scaly with small hair-like scales 1.5–2.5 mm long. Frond oblong-subdeltoid, widest at base, acute at apex, about 2.5 by 1.5 cm, bipinnatifid; rachis castaneous, grooved on upper surface, raised below, glabrous, narrowly winged nearly to the base; pinnae patent or upper ascending, opposite, adnate or decurrent at base, oblong to oblong-subdeltoid, round at apex, up to 10 by 5 mm, pinnatifid to pinnatisect; segments with one to four veinlets, lobes one-nerved, thin and glabrous; veins distinct on both surfaces with darker colour. Sori at apex of veinlets, with one to four sporangia; indusial flaps moderately acute to acuminate at apex, up to 0.7 by 0.5 mm, pale.


Thailand : NORTHERN: Chiang Mai (Doi Inthanon – type).


Distribution : Endemic.


Ecology : Without record of habitat, probably in crevices of rocks, known only by the type collection: Put 3437 -BK BM K. Without record of habitat, probably in crevices of rocks, known only by the type collection: Put 3437 -BK BM K.


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


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