Results 31 to 40 of about 488 (157)
Reproductive biology of Piper species (Piperaceae): a review to link the past to the future [PDF]
Rodriguésia, 2023 Piper species are important components of the understory in tropical and subtropical forests, and some species are of economic and medicinal importance. This genus has been studied in different areas of science.
Adriano Valentin-Silva
doaj +1 more source
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
europepmc +2 more sources
Pomological and Phenological Description of the New ‘Bahri Koz’ Cultivar of Walnut (Juglans regia L.) and Its Nutritional Value [PDF]
Journal of Nuts, 2022 ‘Bahri Koz’ is a walnut cultivar that reaches a mid-early harvest maturity and has some superior fruit traits. In 2019, the cultivar was registered and patented by the Variety Registration and Seed Certification Center of the Republic of Türkiye Ministry
Mehmet Sütyemez +2 more
doaj +1 more source
Advances in Horticultural Science, 2013 Walnut (Juglans regia L.) is one of the most important temperate nuts grown worldwide. In India, however, most of the produce comes from age-old trees of unknown origin.
A. Kumar, N. Sharma
doaj +1 more source
Ecosphere, 2020 Cimicifuga simplex has three genetically and ecologically distinct pollination morphs with different flowering phenology, flower sex expressions, and selfing rates. A previous study showed that strong protandry in hermaphroditic flowers of C.
Tsubasa Toji +2 more
doaj +1 more source
THE EFFECT OF SEASON ON DICHOGAMY PATTERNS IN PECAN. [PDF]
HortScience, 1993 Thirteen cultivars of pecan [Carya illinoinensis (Wangenh.) K. Koch] were monitored for bud break, pollen shed and stigma receptivity for 4 years at LSU Pecan Station, Robson, LA. Cultivars were generally consistent in displaying clear patterns of protogyny or protandry, although patterns ...
L. J. Grauke, Tommy E. Thompson
openaire +1 more source
The effect of drought stress on the limits and costs of plasticity in floral longevity in response to pollinator decline. [PDF]
Am J BotAbstract Premise Declines in pollinator populations can reduce pollination services to plants, resulting in lower seed production. In response to these reductions, plants could increase the probability of pollinator visitation by plastically extending floral longevity.
McCabe C, Caruso CM.
europepmc +2 more sources
NECTAR PRODUCTION IN SEVERAL Campanula SPECIES (CAMPANULACEAE)
Acta Scientiarum Polonorum: Hortorum Cultus, 2018 The flowering, nectar production and sugar content were examined in 2012–2013 seasons for three Campanula species (C. persicifolia L., C. glomerata L., C. trachelium L.). The flowers of all studied Campanula spp. are distinctly protandrous; most of them
Monika Strzałkowska-Abramek +5 more
doaj +1 more source
Hybridity of mainly asexually propagating duckweeds in genus Lemna - dead end or breakthrough? [PDF]
New PhytolSummary The cosmopolitan, mainly vegetatively propagating, organ‐reduced monocotyledonous aquatic duckweeds are the smallest and fastest growing angiosperms, distributed world‐wide and flower rarely in nature. Recently, we reported intra‐ and interspecific hybrids and ploidy variants in the genus Lemna.
Lee Y +10 more
europepmc +2 more sources
Acta Botânica Brasílica, 2000 Nectandra megapotamica (Spreng.) Mez é espécie freqüente nas matas secundárias da região de Maringá, Estado do Paraná, Brasil. A morfologia e estrutura de suas flores, bem como observações da antese, deiscência das anteras, receptividade do estigma e do ...
Luiz Antonio de Souza +1 more
doaj +1 more source