The Study of the Species from Genus Selaginella (Selaginellaceae) in Forest of Peninsular Malaysia (Kajian Spesies dari Genus Selaginella (Selaginellaceae) di Hutan Semenanjung Malaysia)

NURFARAHAIN ZAINAL, HAJA MAIDEEN KADER MAIDEEN, SHAHARUDDIN MOHAMAD ISMAIL

Abstract


ABSTRACT: An anatomical study was carry out on 14 taxa belonging to Selaginellaceae in an attempt to study their stipe anatomical characteristics and to provide anatomical data for the selected taxa in Selaginellaceae. Out of 29 taxa of Selaginellaceae recorded in Peninsular Malaysia, 14 taxa have been selected namely Selaginella alutacia, S. argentea, S. frondosa, S. intermedia var. intermedia, S. intermedia var. dolichocentrus, S. mayeri, S. morganii, S. ornata, S. plana, S. polita, S. roxburghii var. roxburghii, S. stipulata, S. wallichii and S. willdenowii. Method used in this study is sectioning using sliding microtome. Findings in this study have shown that Selaginellaceae species studied can be cluster into two groups, based on the stipe stellar systems, which are monostelic and tristelic groups. There are some variations exist in the cross sections of the stipes of the same species due to the presence and absence of the leaf trace. Each species is prove to have distinct stipe anatomical characteristics that can be used to differentiate species in Selaginellaceae.

Keywords: Stipe anatomy; Genus Selaginella; Peninsular Malaysia

 

ABSTRAK: Satu kajian anatomi telah dijalankan ke atas 14 sampel milik Selaginellaceae dalam usaha untuk mengkaji ciri-ciri anatomi daun mereka dan untuk menyediakan data anatomi untuk sampel yang dipilih dalam Selaginellaceae. Daripada 29 sampel Selaginellaceae dicatatkan di Semenanjung Malaysia, 14 sampel telah dipilih iaitu Selaginella Alicia, S. argentea, S. frondosa, S. intermedia var. intermedia, S. intermedia var. dolichocentrus, S. mayeri, S. morganii, S. ornata, S. plana, S. polita, S. roxburghii var. roxburghii, S. stipulata, S. Wallichii dan S. willdenowii. Kaedah yang digunakan dalam kajian ini adalah pembahagian menggunakan mikrotome gelongsor. Penemuan dalam kajian ini telah menunjukkan bahawa spesies Selaginellaceae dikaji dapat dikelompokkan ke dalam dua kumpulan, berdasarkan sistem bintang daun, yang kumpulan monostelik dan tristelik. Terdapat beberapa variasi wujud di dalam keratan rentas daripada stipes daripada spesies yang sama disebabkan oleh kehadiran dan ketiadaan kesan daun. Setiap spesies dibuktikan dengan mempunyai ciri-ciri anatomi daun yang berbeza yang boleh digunakan untuk membezakan spesies dalam Selaginellaceae.

Kata kunci: Stipe anatomi; Genus Selaginella; Semenanjung Malaysia


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References


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