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G.G. Hambali

Bio: G.G. Hambali is an academic researcher. The author has contributed to research in topics: Syzygium. The author has an hindex of 1, co-authored 1 publications receiving 3 citations.
Topics: Syzygium

Papers
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TL;DR: A new species from Western New Guinea, Indonesia, which is closely related to Syzygium recurvovenosum (Lauterb.) Diels but differs in a range of vegetative and reproductive morphological characteristics.
Abstract: Syzygium jiewhoei Hambali, Sunarti & Y.W.Low, a new species from western New Guinea, Indonesia, is described and illustrated. It is closely related to Syzygium recurvovenosum (Lauterb.) Diels but diff

4 citations


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29 Dec 2020-Telopea
TL;DR: The species is similar to Syzygium longipes (Diels) Merr.
Abstract: Syzygium oransbariense Mustaqim, Y.W.Low & Heatubun (Myrtaceae) is here formally described. This species is found in the lowlands on the eastern flank of the Arfak Mountains, Bird’s Head Peninsula, western New Guinea. The species is similar to Syzygium longipes (Diels) Merr. & L.M.Perry, but differs based on a set of diagnostic morphological characters. Species description, distribution, a preliminary conservation status assessment, and notes on the new species are presented here.

1 citations

Journal ArticleDOI
TL;DR: In this paper , macromorphological characters and lamina vein architecture were examined by the aid of stero microscope and molecular study using SCoT markers were made on 26 species belonging to 15 genera of family Myrtaceae (nine genera belonging to subfamily Leptospermoideae and six genera consisting of subfamily Myrtoideae).
Abstract: The macromorphological characters and lamina vein architecture were examined by the aid of stero microscope. In addition, molecular study using SCoT markers were made on 26 species belonging to 15 genera of family Myrtaceae (nine genera belonging to subfamily Leptospermoideae and six genera belonging to subfamily Myrtoideae) to evaluate such characters in taxa delimitation. The taxa were collected from Mazhar Botanical Garden, Al-Baragil, Giza, Egypt. The obtained results revealed that, all studied taxa of Myrtaceae are distinguished by a combination of the following features: simple leaves with entire margin and glandular -punctate or pellucid leaves, while the leaf arrangement, lamina shape, apex and base showed great variation among them. Pinnate simple brochidodromous leaf venation is the most common, although other patterns were also recorded viz . cladodromous, eucamptodromous and craspedodromous. The irregular reticulate tertiary and quaternary vein fabric, presence or absence of an intramarginal vein were frequently observed. Eight SCoT primers were established to assess the genetic diversity between the studied taxa. The total number of amplified fragments was 125 from which 119 were polymorphic, and six were monomorphic. The total number of specific markers produced were 19 one of them scored for the absence of the band while the other 18 markers recorded for the presence of unique band. Only ten taxa revealed specific markers. Seven primers produced specific markers with largest number generated by primer SCoT 5 (six markers) and the lowest number generated by SCoT 2 and SCoT 5 (one marker for each), while primer SCoT 4 didn’t reveal any specific markers. The obtained results were analyzed numerically (by PAST4 software) to construct three dendrograms; the leaf morphological based characters, the molecular based analysis and combined one. The combined data resulted dendrogram grouped all the 13-studied berry fruited Myrtoideae with seven capsular fruited Leptospermoideae, while the remaining five capsular fruited taxa grouped together. The combined and the morphological-based dendrograms recommend the maintenance of two subfamilies based on fruit type, despite both dendrograms showed deviation from the original system based on morphology.