Results 31 to 40 of about 628 (166)

Size-dependent sex allocation in Solanum lycocarpum St. Hil. (Solanaceae)

open access: yesBrazilian Journal of Biology, 2021
Resource allocation to reproduction can change depending on size, as predicted by the size-dependent sex allocation. This theory is based on the fact that small individuals will invest in the allocation of sex with lower cost of production, usually male ...
F. F. Coelho   +4 more
doaj   +1 more source

Size-dependent sex allocation and the expression of andromonoecy in a protogynous perennial herb: both size and timing matter

open access: yesbioRxiv, 2023
The optimal life history and sex allocation of perennial hermaphrodites should depend on both their size and the relative costs and benefits of reproducing through male versus female functions.
Kai‐Hsiu Chen, J. Pannell
semanticscholar   +1 more source

Reproductive biology of the andromonoecious Cucumis melo subsp. agrestis (Cucurbitaceae) [PDF]

open access: yesAnnals of Botany, 2009
Cucumis melo subsp. agrestis (Cucurbitaceae) is cultivated in many African regions for its edible kernels used as a soup thickener. The plant, an annual, andromonoecious, trailing-vine species, is of high social, cultural and economic value for local communities.
Kouonon, Leonie C.   +5 more
openaire   +4 more sources

Sexual systems in the New Zealand angiosperm flora

open access: yesNew Zealand Journal of Botany, Volume 61, Issue 4, Page 201-231, December 2023., 2023
ABSTRACT We present data on sexual systems and associated traits in the New Zealand angiosperm flora and discuss reasons for the anomalously high levels of gender dimorphism in the flora, and the low levels of monoecy in woody species. Along with Hawai'i and New Caledonia, New Zealand has exceptionally high levels of gender dimorphism (19.5% of ...
Matt S. McGlone, Sarah J. Richardson
wiley   +1 more source

Adaptive function of duodichogamy: Why do chestnut trees have two pollen emission phases?

open access: yesAmerican Journal of Botany, Volume 110, Issue 8, August 2023., 2023
Abstract Premise Intersexual mating facilitation in flowering plants has been largely underexplored. Duodichogamy is a rare flowering system in which individual plants flower in the sequence male‐female‐male. We studied the adaptive advantages of this flowering system using chestnuts (Castanea spp., Fagaceae) as models.
Grégoire Pauly   +2 more
wiley   +1 more source

Reproductive biology of the andromonoecious shrubTrevoa quinquenervia(Rhamnaceae) [PDF]

open access: yesBotanical Journal of the Linnean Society, 1998
Abstract Various aspects of the reproductive biology of the andromonoecious shrub Trevoa quinquenervia Gill. & Hook. were studied in a population located in central Chile. Flowering extends from mid August to the end of December. The small, white, entomophilous flowers are incompletely protandrous and last c . 5 days.
DIEGO MEDAN, ANA C. D'AMBROGIO
openaire   +2 more sources

Morphological trait evolution in Solanum (Solanaceae): Evolutionary lability of key taxonomic characters

open access: yesTAXON, Volume 72, Issue 4, Page 811-847, August 2023., 2023
Abstract Solanum is one of the world's largest and economically most important plant genera, including 1245 currently accepted species and several major and minor crops (e.g., tomato, potato, brinjal eggplant, scarlet eggplant, Gboma eggplant, lulo, and pepino).
Rebecca Hilgenhof   +12 more
wiley   +1 more source

Differential reward in “male” versus “female” pollen of functionally dioecious Solanum

open access: yesAmerican Journal of Botany, Volume 108, Issue 11, Page 2282-2293, November 2021., 2021
Abstract Premise Five to six percent of angiosperm species exhibit a dioecious sexual system, with unisexual “male” or “female” flowers borne on separate plants. The consequent need for inter‐individual pollen exchange is a special challenge for taxa where pollen is the sole pollinator reward.
Jackie R. Ndem‐Galbert   +3 more
wiley   +1 more source

Dichogamy and Sexual Dimorphism in Floral Traits in the Andromonoecious Euphorbia boetica [PDF]

open access: yesAnnals of Botany, 2005
Euphorbia boetica (Euphorbiaceae) is a functional andromonoecious species that shows both intra- and interfloral dichogamy, hermaphrodite cyathia being protogynous. Sexual dimorphism of the cyathia of E. boetica is examined according to their gender and arrangement on the inflorescence.Data were obtained from two natural populations, where the ...
Eduardo, Narbona   +2 more
openaire   +2 more sources

Phylogenomics of the tropical plant family Ochnaceae using targeted enrichment of nuclear genes and 250+ taxa

open access: yesTAXON, Volume 70, Issue 1, Page 48-71, February 2021., 2021
Abstract Targeted capture of nuclear genes increasingly contributes to unravelling phylogenetic relationships that hitherto remained unresolved because of limitations of traditional Sanger sequencing. In particular, the study of tropical plant families has been compromised because they often rely on highly degraded DNA obtained from herbarium specimens.
Julio V. Schneider   +8 more
wiley   +1 more source

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