Typification of<i>Salvia</i>×<i>auriculata</i>(Labiatae)

Rivera, Diego; Obón, Concepción; Alcaraz, Francisco; Reales, Antonio; Barreña, José Antonio

doi:10.1002/tax.12068

Cited by 2 publications

(1 citation statement)

References 7 publications

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“…Although different flower structures in different Salvia species can lead to a large RI ( Walker and Sytsma, 2007 ), there are still many reports of natural hybridization in different clades. These cases are mostly described based on morphology ( Epling, 1938 ; Epling, 1947 ; Anderson and Anderson, 1954 ; Grant and Grant, 1964 ; Webb and Carlquist, 1964 ; Meyn, 1987 ; Hihara et al., 2001 ; Wood, 2014 ; Rivera et al., 2019 ), and only a few studies have relied on molecular evidence ( Walker et al., 2015 ; Radosavljević et al., 2019 ; Celep et al., 2020 ). In addition, in the East Asian Salvia clade (i.e., Subgenus Glutinaria ; Hu et al., 2018 ), which is a monophyletic lineage, studies on natural hybridization are extremely scarce ( Hihara et al., 2001 ).…”

Section: Introductionmentioning

confidence: 99%

Unusual patterns of hybridization involving two alpine Salvia species: Absence of both F1 and backcrossed hybrids

Chang

Zhao²,

Xiao³

et al. 2022

Front. Plant Sci.

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Natural hybridization plays an important role in speciation; however, we still know little about the mechanisms underlying the early stages of hybrid speciation. Hybrid zones are commonly dominated by F1s, or backcrosses, which impedes further speciation. In the present study, morphological traits and double digest restriction‐site associated DNA sequencing (ddRAD-seq) data have been used to confirm natural hybridization between Salvia flava and S. castanea, the first case of identification of natural hybridization using combined phenotypic and molecular evidence in the East Asian clade of Salvia. We further examined several reproductive barriers in both pre-zygotic and post-zygotic reproductive stages to clarify the causes and consequences of the hybridization pattern. Our results revealed that reproductive isolation between the two species was strong despite the occurrence of hybridization. Interestingly, we found that most of the hybrids were likely to be F2s. This is a very unusual pattern of hybridization, and has rarely been reported before. The prevalence of geitonogamy within these self-compatible hybrids due to short distance foraging by pollinators might explain the origin of this unusual pattern. F2s can self-breed and develop further, therefore, we might be witnessing the early stages of hybrid speciation. Our study provides a new case for understanding the diversification of plants on the Qinghai-Tibet Plateau.

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Section: Introductionmentioning

confidence: 99%

Unusual patterns of hybridization involving two alpine Salvia species: Absence of both F1 and backcrossed hybrids

Chang

Zhao²,

Xiao³

et al. 2022

Front. Plant Sci.

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Essential oil profile of six spontaneous hybrids from male sterile Salvia officinalis L.

Bahadirli¹

2021

Food Health

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Herbal medicines and beverages have started to take an essential place in our daily lives. S. officinalis is one of the most used herbal tea species in the sage family. Secondary metabolites, especially essential oils, plays an important role in its biological properties. S. officinalis essential oil is mostly rich in camphor and thujone, which of these compounds could be toxicological. In the present study, six spontaneous hybrid plants and their parents were analyzed for their essential oil contents. Male sterile S. officinalis were used as maternal plant, S. fruticosa and S. aramiensis were probable paternals where they were cultivated nearby. Grown plants were analyzed by gas chromatography-mass spectrometry. Essential oil compounds were used to identify their relation to each other. The main components of S. officinalis were thujone (40.97%), 1,8-cineole (24.65%) and camphor (19.37%). 1,8-cineole content of hybrid genotypes were varied between 35.13-64.92%. Camphor level of hybrids were varied in lower levels as between 2.92-26.35% while thujone content were very low compared to the maternal S. officinalis as 0.95-6.83%.

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Typification ofSalvia×auriculata(Labiatae)

Abstract: The group of intermediate sage cultivars of hybrid origin, alternatively ascribed to Salvia fruticosa or S. officinalis, is currently interpreted as an interspecific hybrid S. ×auriculata (S. fruticosa × S. officinalis). Neotypification of the name S. ×auriculata is proposed here.

Cited by 2 publications

References 7 publications

Unusual patterns of hybridization involving two alpine Salvia species: Absence of both F1 and backcrossed hybrids

Unusual patterns of hybridization involving two alpine Salvia species: Absence of both F1 and backcrossed hybrids

Essential oil profile of six spontaneous hybrids from male sterile Salvia officinalis L.

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