Sains Malaysiana 48(3)(2019): 487–496

http://dx.doi.org/10.17576/jsm-2019-4803-01

 

Morfologi Debunga Lima Genus Terpilih Sapindaceae di Semenanjung Malaysia

(Pollen Morphology of Five Selected Genera of Sapindaceae in Peninsular Malaysia)

 

MOHD. NORFAIZAL GHAZALLI^1,2*, NORAINI TALIP², A. LATIFF², MOHD. SHUKRI MAT ALI¹, AHMAD ZAKI ZAINI³ & NURSHAHIDAH MOHD RUSLI¹

 

¹Program Pengurusan dan Pemuliharaan Sumber Genetik Tumbuhan, Pusat Bank Gen dan Biji Benih, Ibu Pejabat MARDI, Persiaran MARDI-UPM, 43400 Serdang, Selangor Darul Ehsan, Malaysia

 

²Pusat Pengajian Sains Sekitaran dan Sumber Alam, Fakulti Sains dan Teknologi, 43600 UKM Bangi, Selangor Darul Ehsan, Malaysia

 

³Unit Mikroskopi Elektron, Fakulti Sains dan Teknologi, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor Darul Ehsan, Malaysia

 

Diserahkan: 16 Mei 2018/Diterima: 2 Januari 2019

 

ABSTRAK

Kajian morfologi debunga untuk enam spesies dan lima genus dalam empat tribus di dalam famili Sapindaceae telah dijalankan menerusi pemerhatian mikroskop elekron imbasan. Sebanyak tujuh ciri morfologi debunga telah dikenal pasti boleh digunakan untuk membezakan spesies kajian iaitu jenis debunga, saiz debunga, bentuk debunga, ciri ambitus, variasi nisbah C/P, variasi indeks kawasan kutub d/D dan ciri hiasan eksin. Dua kelas debunga yang direkodkan hadir ialah trikolporat dan triporat dengan dua bentuk debunga juga telah dikenal pasti hadir pada spesies yang dikaji iaitu bentuk segitiga dan prolat. Kajian ini menunjukkan terdapat dua ciri diagnosis dicerap iaitu jenis debunga triporat pada Guioa pleuropteris dan julat d/D butir debunga (Lepisanthes tetraphylla) yang kecil iaitu kurang daripada 0.25 boleh digunakan untuk membezakan spesies-spesies Sapindaceae kajian secara langsung.

 

Kata kunci: Debunga; morfologi; Sapindaceae; Semenanjung Malaysia

 

ABSTRACT

Pollen morphological study of six species and five genera in four tribes of Sapindaceae family was undertaken using scanning electron microscope. Seven pollen characteristics were identified to be useful in differentiating these species such as pollen type, pollen size, pollen shape, ambitus characters, variation in C/P ratio, variation in d/D pollen polar index and exine ornamentations. Two pollen classes were recorded in this study, i.e. tricolporate and triporate, while two pollen shapes were also identified namely triangle and prolate. Two diagnostic characters found useful in species identification were obtained from this study, i.e. triporate pollen type (Guioa pleuropteris) and small d/D ratio of less than 0.25 (Lepisanthes tetraphylla).

 

Keywords: Morphology; pollen; Peninsular Malaysia; Sapindaceae

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*Pengarang untuk surat-menyurat; email: mnfaizal@mardi.gov.my