(of hermaphrodite or monoecious plants) maturing the anthers before the stigma
2.
(of hermaphrodite animals) producing male gametes before female gametes
Compare protogynous
Derived forms
protandry (proˈtandry)
noun
Examples of 'protandrous' in a sentence
protandrous
Flowering periods of evaluated cultivars were determined as homogamous, protandrous, partially protandrous and partially protogynous.
Senay Karabıyık, Sinan Eti 2018, 'Determination of Flowering Dates and Pollen Properties of Some Pecan Nut Cultivarsin Adana Ecological Conditions', Turkish Journal of Agriculture: Food Science and Technologyhttp://www.agrifoodscience.com/index.php/TURJAF/article/view/2112. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The anthesis was diurnal and the species presented protandrous flowers.
Luiz A. de Souza, Ismar S. Moscheta, Káthia S. M. Mourão, Sonia M. da Rosa 2004, 'Morphology and anatomy of the flower and anthesis of Metrodorea nigra St. Hill. (Rutaceae)',Brazilian Archives of Biology and Technologyhttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132004000100014. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Drought stimulates a protandrous pattern of development, increasing the anthesis-silking interval.
Luís Sangoi, Ricardo Jonathan Salvador 1998, 'Maize susceptibility to drought at flowering: a new approach to overcome the problemSuscetibilidade do milho à estiagem na floração: uma nova alternativa para superaro problema', Ciência Ruralhttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84781998000400027. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The anther dehisced one day before anthesis, which confirmed the protandrous condition of the flower.
A.K. Sreekala, A.G. Pandurangan, R. Ramasubbu, S.K. Kulloli 2011, 'Pollination biology of Impatiens cuspidate Wight and Arn. (Balsaminaceae),a rare and endemic balsam of the Western Ghats, India', Journal of Threatened Taxahttp://threatenedtaxa.org/index.php/JoTT/article/view/655. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Ocimum canum has inflorescences with white, protandrous and hermaphoditic flowers.
Cláudio Lúcio Fernandes Amaral, Anderson Brito da Silva, Obertal da Silva Almeida,Alisson Harley Brito da Silva, Marcela Fonseca Souza, Anderson Barbosa Silva 2008, 'Floral biology and reproductive mechanisms of the Ocimum canum Sims (Lamiaceae)',Biotemashttp://www.biotemas.ufsc.br/volumes/pdf/volume212/p33a40.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In highly protandrous disc florets, pollen viability decreases in time, whereas stigma receptivity increases.
Bożenna Czarnecka, Bożena Denisow 2014, 'Floral biology of Senecio macrophyllus M. BIEB. (Asteraceae), a rare Central Europeansteppe plant', Acta Societatis Botanicorum Poloniaehttps://pbsociety.org.pl/journals/index.php/asbp/article/view/2260. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Most small individuals were males and most large individuals females, indicating theprotandrous characteristic of this species.
César J. Lodeiros, John H. Himmelman 1999, 'Reproductive cycle of the bivalve Lima scabra (Pterioida: Limidae) and its associationwith environmental conditions', Revista de Biología Tropicalhttp://www.scielo.sa.cr/scielo.php?script=sci_arttext&pid=S0034-77441999000300014. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The ray florets are sterile while disc florets are fertile, dichogamous, protandrous, herkogamous, self-compatible, self-pollinating (vector-mediated)and facultative xenogamous.
Usharani Budmajji, Aluri Jacob Solomon Raju 2018, 'Pollination ecology of Bidens pilosa L. (Asteraceae)', Taiwaniahttp://tai2.ntu.edu.tw/taiwania/abstract.php?type=abstract&id=1546. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)