hekmat_osman

Hekmat Osman Abdel Aziz

Professor - Professor of Histology - Sohag faculty of Medicine-Egypt

Faculty of medicine

Address: Histology Department, Sohag Faculty of Medicine, Egypt

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Publications Which contain the keyword: Platygalium

Fruit morphology in Galium section Platygalium (Rubiaceae) and its potential taxonomic significance

2018-09-02 22:38:18 Keywords key., mericarp surface, morphology, fruit, Platygalium, Galium, Rubiaceae,
Fruit morphology in Galium section Platygalium (Rubiaceae) and its potential taxonomic significance
Fruit (mericarp) morphology of nine species from section Platygalium of the genus Galium from Russia were examined with light microscope and scanning electron microscope (SEM). Macro- and micromorphological characters, including fruit shape, size, and types of mericarp surface and indumentum are presented. Three types of mericarp surface were observed, glabrous, hairy with either hooked or straight hairs and tuberculate. The ... Read more

ON THE CORRELATION OF POLLEN GRAIN SIZE AND PLOIDY LEVELS OF GENUS GALIUM SECT. PLATYGALIUM

2018-09-02 23:05:11 Keywords ploidy level., correlation, pollen grain, Platygalium, Galium, Rubiaceae,
ON THE CORRELATION OF POLLEN GRAIN SIZE AND PLOIDY LEVELS OF GENUS GALIUM SECT. PLATYGALIUM
Pollen grain size of some species of Galium section Platygalium (Rubiaceae) have been studied in diploids (2n = 2× = 22, in G. boreale, G. valantioides, G. broterianum), tetraploids (2n = 4× = 44, in G. boreale), hexaploids (2n = 6× = 66, in G. boreale) and in dodecaploid (2n = 12× = 132, in G. rubioides), and many other ... Read more

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