Abstract
The genus Rubus has highly morphological diversity. We had examined the seed variation of Rubus spp. collected in Cibodas Botanical Garden. The observation was conducted on 12 different species of Cibodas Botanical Garden’s collections. The variation of seed’s size was observed based on length, width, and sculpture of seed’s surface area. The results showed that R. pyrifolius seed was larger among others species, and the smaller one was R. fraxinifolius. Moreover, based on seed morphology, three morphological types of seed coats were identified, which are seeds with prominent reticulate sculpture and sharp back ridge (R. accuminatissimus, R. alpestris, R. ellipticus, R. lineatus, R. niveus, R. pyrifolius, R. rosifolius); seeds with prominent reticulate sculpture and broad back ridge (R. alceifolius, R. moluccanus, R. glomeratus); seeds with least prominent sculpture and blunt back ridge (R. chrysophyllus and R. fraxinifolius).
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