Bolbitis appendiculata (Willd.) Iwatsuki
The rhizone is creeping and covered with light brown scales. The fronds are pinnate compound and dimorphous. The sterile frond has a stipe of 5-13 cm long and lamina of 10-30 x 3.5-10 cm, often with a bulbil near the apex that develops into a plantlet. There are 15–25 pairs of pinnae, the middle ones the largest, more or less auricled at the acroscopic side. The margin of the pinnae is shallowly lobed, 1.5–5 x 0.5–1.2 cm, the apical pinna variable in shape and size. The fertile fronds are taller, with a stipe of up to 25 cm long and lamina 15–25 x 2–5 cm. The fertile pinnae are linear or narrowly oblong, 0.7–2.5 x 0.3–0.55 cm with the lower surface covered with sporangia.
South China, India to Southeast Asia, throughout Malesia and northwards to Taiwan and the Ryukyus. The sterile fronds have a stipe 5-13 cm long and a
Fern Valley, Bukit Timah Nature Reserve.
This is a fern of the primary forest that grows on rock surfaces, especially along streams and under deep shade.
For an account of the life history of a fern, see Pyrrosia piloselloides.
de Winter, W. P. & V. B. Amoroso (eds.), 2003. Plant resources of South-East Asia No. 15(2). Cryptogams: Ferns and fern allies. Prosea Foundation, Borgor, Indonesia. 268 pp.
Holttum, R. E., 1966. A revised flora of Malaya. II Ferns of Malaya. Govt. Printing Office, Singapore (2nd ed.). 653 pp.
Parris, B. S., R. Khew, R. C. K. Chung, L. G. Saw & E. Soepadmo (eds.), 2010. Flora of Peninsular Malaysia. Series I: Ferns and Lycophytes. Vol. 1. Malayan Forest records No. 48. Forest Research Institute of Malaysia, Kepong. 249 pp.
Wee, Y. C., 2005. Ferns of the tropics. Times Editions-Marshall Cavendish, Singapore. 2nd ed. 190 pp.