Sains Malaysiana 44(1)(2015): 57–60

Cyathea arjae Latiff (Cyatheaceae), A New Species of Dwarf Tree-Fern from Sayap,

Mt. Kinabalu, Sabah, Malaysia

(Cyathea arjae Latiff (Cyatheaceae), Suatu Spesies Baharu Paku Pakis Pohon Kerdil

dari Sayap, Gunung Kinabalu, Sabah, Malaysia)

A.    LATIFF*

School of Environmental and Natural Resource Sciences, Faculty of Science and Technology

Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia

Received: 5 November 2013/Accepted: 4 July 2014

ABSTRACT

A dwarf tree‑fern, Cyathea arjae Latiff is described as a new species from Sayap, Mt. Kinabalu, Sabah, Malaysia. This new species belongs to Schizocaena group which has basiscopic veins that originate from the costa and not from the costule. It is closely related to C. capitata in having simply pinnate fronds of which the apex is a deltoid lamina. Holttum’s key was modified.

Keywords: Cyathea arjae; dwarf tree-fern; Malaysia; Mt. Kinabalu; Sabah

ABSTRAK

Paku pakis pohon kerdil, Cyathea arjae Latiff telah dihuraikan sebagai spesies baru dari Sayap, Gunung Kinabalu, Sabah, Malaysia. Spesies baru ini tergolong dalam kumpulan Schizocaena yang mempunyai urat daun basiskopik berasal dari kosta dan bukan dari kostul. Ia sangat rapat dengan C. capitata kerana mempunyai fron pinat ringkas di mana apeksnya berbentuk deltoid. Kekunci Holttum telah diubahsuai.

Kata kunci: Cyathea arjae; Gunung Kinabalu; Malaysia; paku pakis pohon kerdil; Sabah

REFERENCES

Holttum, R.E. 1963. Cyatheaceae. Flora Malesiana. Ser. II 1(2): 65-176.

Jaman, R. & Latiff, A. 1995. On some pteridophytes from Sayap-Kinabalu Park, Sabah. In A Scientific Journey Through Borneo: Sayap-Kinabalu Park Sabah, edited by Ismail, G. & Din, L.B. Subang Jaya: Pelanduk Publications. pp. 67-104.

Korall, P., Conant, D.S., Metzgar, J.S., Schneider, H. & Pryer, K.M. 2007. A molecular phylogeny of scaly tree ferns (Cyatheaceae). American Journal of Botany 94(5): 873-886.

Parris, B.S., Beaman, R.D. & Beaman, J.H. 1992. The Plants of Mount Kinabalu 1. Ferns and Fern-allies.Royal Botanic Gardens, Kew. p. 165.

Parris, B.S. & Latiff, A. 1997. Towards a pteridophyte Flora of Malaysia: A provisional checklist of taxa. Malaysian Nature Journal 50: 235-280.

Smith, A.R., Pryer, K.M., Schuettpelz, E., Korall, P., Schneider, H. & Wolf, P.G. 2006. A classification for extant ferns. Taxon 55(3): 705-731.

*Corresponding author; email: pakteh48@yahoo.com