Results 101 to 110 of about 38,685 (294)
The embryology of Ailanthus altissima (Simaroubaceae): an invasive species from Iran
یافتههای نوین در علوم زیستی, 2019 Simaroubaceae is a monophyletic family in the order Sapindales with 22 genera and 109 species. Ailanthus altissima (Mill) Swingle, also known as the tree of heaven, is a highly invasive species, which systematically belongs to Simaroubaceae. Reproductive
Fateme Mousavi, Ahmad Majd
doaj
Taxonomic novelties in subgenus Euphorbia (Euphorbiaceae) from South India
Nordic Journal of Botany, EarlyView.Extensive floristic explorations throughout southern India have uncovered some noteworthy taxonomic additions within the subgenus Euphorbia (Euphorbiaceae). Three distinct taxa of Euphorbia are described and illustrated herein as E. sankarensis, E. bahalita and E. tortilis var. mysorensis.
Sarojini Devi Naidu +1 more
wiley +1 more source
Variations and abnormalities of stamen morphologies in cornelian cherry (Cornus mas L.) cultivars
Horticultural Science, 2009 : Stamen morphologies of six cornelian cherry cultivars (Degirmendere, Erkenci Degirmendere, İri Bardak, Yuvarlak Bardak, Uzun Memeli, and Bugur) (Cornus mas L.) were evaluated using scanning electron, light and stereo microscopes.
C. Mert, A. Soylu
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Nordic Journal of Botany, EarlyView.Vitex L. is a pantropical genus of Lamiaceae comprising 209 taxa. Brazil harbors 35 species, representing nearly 50% of the genus richness in the Neotropics, with the Amazon showing the highest richness, followed by the Atlantic Forest and Cerrado domains. Nevertheless, most taxonomic studies of the genus have been conducted in Africa and Asia.
Thaís Teixeira Conegiro +2 more
wiley +1 more source
Biologia Plantarum, 1977 The presence of synthetic auxins (2,4-D at a concentration as low as of 0.5 to 5.0 mg I-1, NAA at least at 5 mg I-1) in the cultivation medium was essential for the induction of callogenesis in anther cultures ofZea mays L. The application of IAA was ineffective.
Z. Opatrný, J. Dostál, V. Martinek
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Nordic Journal of Botany, EarlyView.Meyna grisea and M. peltata, two new records from Imphal Valley, Manipur, India, characterised by a capitate stigma with 4–5 divergent, spreading lobes on a globose base, and a prominent peltate stigma, respectively, are described and illustrated here. Photographs, key to the species, along with their coordinates and diagnostic characters in comparison
Pallavi B. Dhal +3 more
wiley +1 more source
OsGPAT3 Plays a Critical Role in Anther Wall Programmed Cell Death and Pollen Development in Rice
International Journal of Molecular Sciences, 2018 In flowering plants, ideal male reproductive development requires the systematic coordination of various processes, in which timely differentiation and degradation of the anther wall, especially the tapetum, is essential for both pollen formation and ...
Lianping Sun +10 more
semanticscholar +1 more source
Nordic Journal of Botany, EarlyView.The new species Barleria kulalensis I.Darbysh. & Q.Luke and Dicliptera huriensis I.Darbysh. & Q.Luke are described and illustrated and their extinction risk is assessed provisionally. The former is based on Barleria sp. G of the Flora of Tropical East Africa (FTEA), with recent field observation and collection of this species from the foothills of ...
Iain Darbyshire, Quentin Luke
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Development of the male generative sphere in Jasminum nudiflorum Lindl. (Oleaceae)
Учёные записки Казанского университета: Серия Естественные науки, 2018 To reveal the causes for absence of fruits and seeds in Jasminum nudiflorum Lindl. (Oleaceae) in the Southern Coast of the Crimea, the male generative sphere genesis has been studied and the male gametophyte state during the period of mass blossoming has
T.N. Kuzmina
doaj
Reestablishment and a new name for Actinostemon grandifolius (Müll.Arg.) Pax
Nordic Journal of Botany, EarlyView.The genus Actinostemon has undergone several changes in its circumscription due to persistent difficulties in its taxonomic placement. The taxonomic history of the genus is controversial and marked by nomenclatural issues, particularly involving its type species, Actinostemon grandifolius Klotzsch, including incorrect synonymizations and the ...
Amanda O. Souza +4 more
wiley +1 more source