Results 11 to 20 of about 23,420 (258)
Effect of climate, anther morphology and pollination syndrome on pollen availability in Penstemon
Journal of Pollination Ecology, 2023 Traditionally, pollen presentation is thought to be a function of pollinator type and visitation frequency. However, despite the repeated observation that pollen presentation is influenced by flower morphology and abiotic factors, these aspects have been
Rosa A Rodríguez-Peña, Andrea D. Wolfe
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Pollen morphology of certain species of the family Lamiaceae in Saudi Arabia [PDF]
Saudi Journal of Biological Sciences, 2018 Mohamed El-Zaidy
exaly +2 more sources
Botanical Sciences, 2020 Background: Although pollen morphology has always been an important tool in plant systematics, the possibility of distinguishing between related taxa is still debated. A difficult case is the cycads, where their morphology and small size is very similar.
Andrew P. Vovides +4 more
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Pollen morphology and anatomy of Rubus L. (Rosaceae) in Thailand
Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 2023 Pollen morphology and anatomy were investigated in 19 species of the genus Rubus L. from Thailand by observation and analysis under a light microscope and a scanning electron microscope.
Kasan HANCHANA +2 more
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PLoS ONE, 2023 Modern agricultural biotechnologies, such as those derived from genetic modification, are solutions that can enable an increase in food production, lead to more efficient use of natural resources, and promote environmental impact reduction.
Daniel Soares +6 more
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Pollen morphology of the Polish species of the genus Sorbus L.
Acta Societatis Botanicorum Poloniae, 2011 This paper presents the results of the study on pollen morphology of five Polish species of the genus Sorbus L. (S. aria (L.) Crantz, S. aucuparia L. Emend. Hedl., S. chamaemespilus (L.) Crantz, S. intermedia (Ehrh.) Pers. and S. torminalis (L.) Crantz).
Leszek Bednorz +3 more
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Pollen Morphology and Taxonomy in the Loganiaceae [PDF]
Grana Palynologica, 1967 The Loganiaceae is a heterogeneous, eurypalynous family with colpate, colporate or porate pollen grains (Erdtman 1952). Some years ago Dr. Leeuwenberg, specialist in the taxonomy of African Loganiaceae, asked the senior author to undertake an investigation of the pollen grains of that family.
Punt, W., Leenhouts, P.W.
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Acta Societatis Botanicorum Poloniae, 2012 For the first time, pollen morphology of 9 (4 spp. and 5 subspp.) taxa representing lobed leaved oaks of Iran in the family of Fagaceae has been examined and illustrated using light microscopy and scanning electron microscopy of acetolysed material ...
Parisa Panahi +3 more
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Pollen morphology of the alangiaceae [PDF]
Review of Palaeobotany and Palynology, 1970 This paper presents a pollen-morphological study of Alangium, a genus mainly restricted to the tropics of the Old World, of which 18 of the 19 known species were studied. The pollen grains, studied with the use of a light microscope, a transmission electron microscope and a scanning electron microscope, were classified into 15 pollen types, to which a ...
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Pollen Atlas of the Flora of Egypt 3. Taxa of Pteridophyta and Gymnospermae [PDF]
Taeckholmia, 2002 The spore and pollen morphology of 15 species of Pteridophyta and Gymnospermae represented in the flora of Egyptis reported and described. These belong to four types: inaperturate (alete) with elaters (one species) and aperturatewithout elaters (14 ...
Salah El Naggar, M. El Hadidi
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