Volume 3 > Part 4 > Year 1989 > Page 539–540 > Polypodiaceae > Colysis

4. Colysis wui (C.Chr.) Chingwfo-0001125785

Bull. Fan Mem. Inst. Biol. 4: 322. 1933; Tardieu & C.Chr. in Fl. Indo-China 7(2): 494. 1941; Tagawa & K.Iwats., S.E. Asian Stud. 5: 55. 1967.— Polypodium wui C.Chr., Bull. Dept. Biol. Sun Yatsen Univ. 13: 17. 1933. Fig. 54. 3.

Accepted Name : Leptochilus pedunculatus (Hook. & Grev.) Fraser-Jenk.
Taxon. Revis. Indian Subcontinental Pteridophytes: 62. 2008.

Description : Very close to the preceding species, differs only in: fertile laminae not so contracted, acuminate at apex; sori narrower, up to 1 mm broad, more than 1 mm apart from each other.

Thailand : PENINSULAR: Nakhon Si Thammarat (Khao Luang).

Distribution : China (Kwangtung and Kwangsri – type).

Ecology : On muddy rocks in dense evergreen forests at medium altitudes.

Notes: This is close to the preceding species, and there are some variation in the fertile fronds even among the plants not so many in number. We can arrange various degree of the contraction of the fertile fronds in this and the prceding species.

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