Sexual Structure of Origanum Vulgare Populations in Moscow Region

Годин, В.Н.; Evdokimova, T A

doi:10.21685/2307-9150-2017-4-3

Cited by 4 publications

(3 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…gracile and in O. vulgare ssp. vulgare (Ietswaart et al 1984, Trosenko 1994, Demyanova 2012, Godin and Evdokimova 2017b, Gordeeva and Komarevceva 2019. The proportion of hermaphrodites varies widely, but they always predominate.…”

Section: Discussionmentioning

confidence: 99%

Gynodioecy of Origanum vulgare ssp. gracile (Lamiaceae) in Tajikistan

Godin,

Astashenkov,

Cheryomushkina

et al. 2024

Preprint

View full text Add to dashboard Cite

Gynodioecy has been identified to occur in the herbaceous polycarpic Origanum vulgare ssp. gracile growing in Tajikistan and is here described in detail for the first time. The investigated populations of O. vulgare ssp. gracile form two types of flowers, perfect and pistillate, on different individuals. In pistillate flowers, stamens are represented by staminodes. The size of many parts of the corolla and androecium of perfect flowers is significantly larger than in pistillate flowers. Four criteria have been identified that make it possible to reliably distinguish flowers of different sexual forms: the size of the corolla and its parts, the difference between calyx tube length versus corolla tube length, the position of the anthers, and the rate of development of stamens. Perfect flowers are characterized by strictly pronounced protandry. According to the pollen/ovule ratio (from 825 to 953), O. vulgare ssp. gracile is facultatively xenogamous. Hermaphrodites predominated (from 58.9% to 76.2%) in five of the investigated populations. The frequency of females in O. vulgare ssp. gracile was shown to be most dependent on annual precipitation (Bio12). Finally, we discuss the presence and distribution of gynodioecy within the genus Origanum and its adaptive significance for the existence of populations of O. vulgare ssp. gracile.

show abstract

Section: Discussionmentioning

confidence: 99%

Gynodioecy of Origanum vulgare ssp. gracile (Lamiaceae) in Tajikistan

Godin,

Astashenkov,

Cheryomushkina

et al. 2024

Preprint

View full text Add to dashboard Cite

show abstract

“…gracile and in O. vulgare ssp. vulgare (Ietswaart et al 1984, Trosenko 1994, Demyanova 2012, Godin and Evdokimova 2017b, Gordeeva and Komarevceva 2019). The proportion of hermaphrodites varies widely, but they always predominate.…”

Section: Discussionmentioning

confidence: 99%

“…vulgare) has been known for a long time, first described by Darwin (1877). Subsequently, many traits of gynodioecy in this taxon have been studied, such as sex inheritance (Lewis and Crowe 1956, Jain 1968, Kheyr-Pour 1969, perianth size of perfect and pistillate flowers (Vereshchagina and Malanina 1974, Anisimova and Demyanova 2007, Godin and Evdokimova 2017a, and sex ratios in populations (Ietswaart et al 1984, Trosenko 1994, Demyanova 2012, Godin and Evdokimova 2017b, Gordeeva and Komarevceva 2019. However, for the other five subspecies of O. vulgare, as well as for previously independent species, there are no data on gynodioecy.…”

Section: Introductionmentioning

confidence: 99%

Gynodioecy of Origanum vulgare ssp. gracile (Lamiaceae) in Tajikistan

Godin,

Yu. Astashenkov,

Cheryomushkina

et al. 2023

Nordic Journal of Botany

View full text Add to dashboard Cite

Gynodioecy has been identified to occur in the herbaceous polycarpic Origanum vulgare ssp. gracile growing in Tajikistan and is here described in detail for the first time. The investigated populations of O. vulgare ssp. gracile form two types of flowers, perfect and pistillate, on different individuals. In pistillate flowers, stamens are represented by staminodes. The size of many parts of the corolla and androecium of perfect flowers is significantly larger than in pistillate flowers. Four criteria have been identified that make it possible to reliably distinguish flowers of different sexual forms: the size of the corolla and its parts, the difference between calyx tube length versus corolla tube length, the position of the anthers, and the rate of development of stamens. Perfect flowers are characterized by strictly pronounced protandry. According to the pollen/ovule ratio (from 825 to 953), O. vulgare ssp. gracile is facultatively xenogamous. Hermaphrodites predominated (from 58.9 to 76.2%) in five of the investigated populations. The frequency of females in O. vulgare ssp. gracile was shown to be most dependent on annual precipitation. Finally, we discuss the presence and distribution of gynodioecy within the genus Origanum and its adaptive significance for the existence of populations of O. vulgare ssp. gracile.

show abstract

Variability of the Gender Spectrum in Origanum vulgare L. (Lamiaceae, Magnoliopsida)

Гордеева

2020

Biol Bull Russ Acad Sci

View full text Add to dashboard Cite

Sexual Structure of Origanum Vulgare Populations in Moscow Region

Cited by 4 publications

References 0 publications

Gynodioecy of Origanum vulgare ssp. gracile (Lamiaceae) in Tajikistan

Gynodioecy of Origanum vulgare ssp. gracile (Lamiaceae) in Tajikistan

Gynodioecy of Origanum vulgare ssp. gracile (Lamiaceae) in Tajikistan

Variability of the Gender Spectrum in Origanum vulgare L. (Lamiaceae, Magnoliopsida)

Contact Info

Product

Resources

About