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D. P. Ritigahapola

2 papers indexed here

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Open access Sep 2026

Morphological Characterization of Sri Lankan Tabernaemontana divaricata L. Accessions Using Floral and Leaf Traits

Tabernaemontana divaricata L. (Wathusudda) is an evergreen ornamental shrub of high cultural and medicinal value. Cultivars show considerable variation in floral traits, while vegetative traits are more limited, and detailed morphological studies remain lacking. This study aimed to evaluate the morphological diversity...

D. P. Ritigahapola, I. Bandara, S. Amarasinghe et al. · 0 citations
Open access Aug 2026

Morphological Variations among Indigenous Chinese Potato (Plectranthus rotundifolius L.) Accessions in Sri Lanka

Plectranthus rotundifolius is an herbaceous tuber crop belonging to the family Lamiaceae. The purpose of this study was to evaluate the morphological diversity of indigenous P. rotundifolius accessions in Sri Lanka and to identify the crop's yield capacity and yield determinants. Sixteen indigenous accessions of P. rot...

T. Kheminda, D. P. Ritigahapola, S. A. S. C. Samarasinghe et al. · 0 citations

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