Results 11 to 20 of about 128 (100)
The developmental basis of floral nectary diversity and evolution. [PDF]
New PhytolSummary Nectar is a central bridge between angiosperms and animal mutualists. It is produced by specialized structures termed nectaries, which can be found on different plant organs. Consumption of floral nectar by pollinators and the subsequent transfer of pollen contribute to the reproductive success of both angiosperms and their pollinators.
Liao IT, Gong Y, Kramer EM, Nikolov LA.
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Dimorphic enantiostyly and its function for pollination by carpenter bees in a pollen-rewarding Caribbean bloodwort. [PDF]
Am J BotAbstract Premise Flowers that present their anthers and stigma in close proximity can achieve precise animal‐mediated pollen transfer, but risk self‐pollination. One evolutionary solution is reciprocal herkogamy. Reciprocity of anther and style positions among different plants (i.e., a genetic dimorphism) is common in distylous plants, but very rare in
Johnson SD +5 more
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From flower to fruit: The origin of the trilocular ovary and fruit development in Phragmipedium longifolium (Warsz. & Rchb.f.) Rolfe (Orchidaceae: Cypripedioideae). [PDF]
Plant Biol (Stuttg)Phragmipedium longifolium has a trilocular ovary with a post‐genital septum, and during fruit development, lignification plays a crucial role in facilitating dehiscence and seed dispersal. Abstract While carpels in Orchidaceae are predominantly unilocular, trilocular carpels can also occur, mainly in branches separated during the early diversification ...
Bento JPSP, Pinheiro F, Mayer JLS.
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1083. Liatris aspera Michx.: Compositae
Curtis's Botanical Magazine, Volume 40, Issue 4, Page 503-515, December 2023., 2023 Summary The North American Prairie plant Liatris aspera Michx. (Compositae: Eupatorieae: Liatrinae) is illustrated and described. The tribe Eupatorieae, subtribe Liatrinae and the genus Liatris Gaertn. ex Schreb. are discussed, along with comments on cultivated members of the tribe, and the position of Liatris aspera in the genus indicated, as well as ...
Nicholas Hind, Deborah Lambkin
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American Journal of Botany, Volume 110, Issue 10, October 2023., 2023 Abstract Premise Alismataceae, a sub‐cosmopolitan family with ca. 17 genera and 113 species, is a large group of aquatic plants. Compression/impressions and bioinclusions of reproductive parts in amber support the documentation of the lineage in low‐latitude North America. In Mexico, fossil aquatic plants have been infrequently documented.
Luis Hernández‐Sandoval +2 more
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Ecology and Evolution, Volume 11, Issue 15, Page 10468-10482, August 2021., 2021 Pollinators beneath the rainforest canopy occupy a unique microclimate that is markedly different from the canopy environment that receives more light energy. We studied the floral attractants and floral visitors of a dioecious, subcanopy rainforest tree, Fontainea picrosperma (Euphorbiaceae), in northern Australia.
Elektra L. Grant +5 more
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TAXON, Volume 70, Issue 4, Page 842-853, August 2021., 2021 Abstract The establishment of species boundaries has been a difficult task for biologists since the beginning of classifications. Within South American Allioideae (= Alliaceae), the delimitation of genera and species has long been a major challenge. Consequently, species‐level nomenclature in these groups has been difficult to elucidate.
Agostina B. Sassone +4 more
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Acta Agrobotanica, 2012 The location and structure of the septal nectaries in the flowers of Allium aflatunense B. Fedtsch. were studied. Light and scanning electron microscopy were used for examination.
Beata Żuraw +3 more
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Reconstructing Dipsacales phylogeny using Angiosperms353: issues and insights
American Journal of Botany, Volume 108, Issue 7, Page 1122-1142, July 2021., 2021 Premise Phylogenetic relationships within major angiosperm clades are increasingly well resolved, but largely informed by plastid data. Areas of poor resolution persist within the Dipsacales, including placement of Heptacodium and Zabelia, and relationships within the Caprifolieae and Linnaeeae, hindering our interpretation of morphological evolution ...
Aaron K. Lee +5 more
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Fruit evolution in Hydrophyllaceae
American Journal of Botany, Volume 108, Issue 6, Page 925-945, June 2021., 2021 Premise Fruit type and morphology are tightly connected with angiosperm diversification. In Boraginales, the first‐branching families, including Hydrophyllaceae, have one‐ to many‐seeded capsules, whereas most of the remaining families have four‐seeded indehiscent fruits. This fact argues for many‐seeded capsules as the ancestral condition.
Maria‐Anna Vasile +3 more
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