Results 1 to 10 of about 1,897 (183)

Development and Evolution of Unisexual Flowers: A Review [PDF]

open access: yesPlants, 2022
The development of unisexual flowers has been described in a large number of taxa, sampling the diversity of floral phenotypes and sexual systems observed in extant angiosperms, in studies focusing on floral ontogeny, on the evo-devo of unisexuality, or ...
Florian Jabbour   +2 more
exaly   +10 more sources

Unraveling the development behind unisexual flowers in Cylindropuntia wolfii (Cactaceae) [PDF]

open access: yesBMC Plant Biology, 2022
Background In certain unisexual flowers, non-functional sexual organs remain vestigial and unisexuality can be overlooked leading to the ambiguous description of the sexual systems.
Niveditha Ramadoss   +5 more
doaj   +5 more sources

Floral morphology and phenology of Sassafras tzumu (Lauraceae) [PDF]

open access: yesBMC Plant Biology, 2022
Background Sassafras has been considered to belong to trib. Laureae of Lauraceae and has been assumed to have unisexual flowers. However, recent molecular phylogenetic studies have consistently suggested that Sassafras does not belong to the trib ...
Zhi Yang   +5 more
doaj   +2 more sources

Transcriptomic insights into unisexual flower development in Cannabis sativa: conserved MADS-box networks and divergent developmental programs [PDF]

open access: yesBMC Plant Biology
Background Cannabis sativa, a dioecious species characterized by striking sexual dimorphism and exceptional sexual plasticity, presents a powerful model for exploring floral development and the evolution of dioecy. The unique male and female flowers each
Orly Lavie   +8 more
doaj   +2 more sources

Morphological and genetic evidence for the Sarcaulus brasiliensis complex (Sapotaceae, Chyrsophylloideae) reveals a new species from the rainforests of the Middle Magdalena Valley, Colombia [PDF]

open access: yesPhytoKeys
Sarcaulus is a small genus of neotropical trees in the Sapotaceae. Most specimens in herbaria are identified as S. brasiliensis, a species recognized from Costa Rica to Bolivia.
M. Alejandra Jaramillo   +3 more
doaj   +4 more sources

<i>Koenigia bingchachaensis</i> (Polygonaceae), a Remarkable New Species from the Alpine Subnival of Bingchacha, Zayü, Xizang, China. [PDF]

open access: yesEcol Evol
Koenigia bingchachaensis Bo Xu & H. Sun (Polygonaceae), a remarkable new species from the alpine subnival of Zayü County, Xizang, China, is described and illustrated. The integrative evidence from morphology and phylogenetics confirms the status of K. bingchachaensis as a new species, which also highlights the ongoing discovery of unique biodiversity ...
Xu B, Sun H, Luo D.
europepmc   +2 more sources

Integrated analyses of transcriptome, metabolome and floral B-class genes reveal sexual dimorphism in Eucommia ulmoides [PDF]

open access: yesBMC Plant Biology
Eucommia ulmoides is a dioecious plant species that has been widely utilized as an important traditional Chinese medicine. To investigate sexual dimorphism and its underling molecular basis in E.
Xianzhi Zhang   +5 more
doaj   +2 more sources

Covariation in reproductive investment between sterile and fertile sex organs contributes to sterile stamens persistence in cryptically dioecious Actinidia [PDF]

open access: yesBMC Plant Biology
Background Cryptic dioecy is a sexual system in which individuals of at least one sex are morphologically hermaphroditic but functionally unisexual.
Hua He   +5 more
doaj   +2 more sources

The Dynamics of Flower Development in Castanea sativa Mill.

open access: yesPlants, 2021
The sweet chestnut tree (Castanea sativa Mill.) is one of the most significant Mediterranean tree species, being an important natural resource for the wood and fruit industries.
Ana Teresa Alhinho   +7 more
doaj   +1 more source

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