Comparative pollen morphology in Luxemburgieae …
3 天之前 · This study examined the pollen grains of 16 species of Luxemburgia and two of Philacra using light and scanning electron microscopy. Examination revealed that pollen grains are shed in monads and isopolar, ranging from …
Sagebrush, Wormwood - Pollen.com
5 天之前 · One species, sagebrush, flowers from July to late September with allergenic pollen that can cause pollinosis in western US. Another species, wormwood, is common in central states …
Pollen analysis as a tool to advance avian research and inform ...
1 天前 · We also explore the potential for analysing pollen on birds (or within avian deposits such as guano) to answer wider questions, especially in relation to pollination and environmental …
Alder (Alnus) Genus Level details and Allergy Info
4 天之前 · Pollen Description. Pollen grains of Alnus are oblate to oblate-spheroidal and usually 4-5 porate. Their exinous thickened bands that extend in pairs from aperture to aperture distinguish the grains. Pollen grains vary in …
The atypical proteome of mitochondria from mature pollen grains
4 天之前 · Pollen grains are produced after meiosis from haploid microspores following a precise and complex developmental program. 2, 3, 4 The first part of this program starts just after …
Chenopods (Chenopods) Genus Level details and …
4 天之前 · The term chenopods is used to represent members of the Chenopodiaceae and Amaranthaceae families. The pollen grains of these two families are so similar that they are impossible to differentiate between …
hydrilla (Hydrilla verticillata) - Species Profile
4 天之前 · Pollination occurs when pollen from free-floating male flowers disperses on the water surface (epihydrophily) to female flowers (Tanaka 2000; Tanaka 2003). It has a low salinity …
Glossary of botanical terms - Wikipedia
1 天前 · 1. (of a flower) The period during which pollen is presented and/or the stigma is receptive. 2. (of a flowering plant) The period during which flowers in anthesis are present. Not defined …
Flower - Wikipedia
1 天前 · Flowers are also specialized in shape and have an arrangement of the stamens that ensures that pollen grains are transferred to the bodies of the pollinator when it lands in search …
