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
Diserahkan: 5 November 2013/Diterima: 4 Julai 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. capitatakerana 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
RUJUKAN
Holttum, R.E. 1963. Cyatheaceae. Flora Malesiana. Ser. II 1(2): 65-176.
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Journey Through Borneo: Sayap-Kinabalu Park Sabah, edited by Ismail, G. & Din, L.B. Subang Jaya: Pelanduk Publications. pp. 67-104.
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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
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Parris, B.S. & Latiff,
A. 1997. Towards a pteridophyte Flora of Malaysia: A
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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.
*Pengarang untuk surat-menyurat; email: pakteh48@yahoo.com
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