Cryptic dioecy

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August undefined, 2024

WebWe show that dioecy is associated with increased genetic diversity and a higher selection efficacy both against deleterious and for beneficial mutations while controlling for differences in population size. ... and in the Carpathians. Several contact zones were identified. Silene nutans consists of a cryptic assemblage of genetically distinct ... Webeither poor (which is called cryptic or leaky dioecy, Charlesworth, 1984) or zero and the species is dioe-cious. Only four animal genera and eight plant species have been …

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WebOct 1, 1999 · All eight species show cryptic dioecy. Five species show strict dioecy and three species show leaky dioecy due to the presence of male trees that set fruit. Species … WebJul 19, 2010 · Cryptic dioecy is widely reported in flowering plants. However, in most instances it is not associated with transitions from heterostyly to dioecy ( Bawa, 1980 ; … simultaneous localization and mapping怎么读

A one-locus model of androdioecy with two homomorphic …

WebJun 14, 2016 · Abstract. A new monomorphic species of Mussaenda from China is illustrated and described. The new species, Mussaenda campanulata, is similar to M. shikokiana, but differing by its smaller drying papery leaves, faint yellow, campanulate-funnelform corolla, and lack of calycophylls. Moreover, the pollen morphology of M. campanulata is also … WebFor these cases, cryptic dioecy is explained by pollinator foraging behavior and not sexual allocation theory. Pollen as a nutritional reward to foraging bees is largely … WebFind 45 ways to say CRYPTIC, along with antonyms, related words, and example sentences at Thesaurus.com, the world's most trusted free thesaurus. simultaneous localization and mapping是什么

Mussaenda campanulata (Rubiaceae), a new monomorphic …

Cryptic dioecy in flowering plants - PubMed

WebCRYPTIC DIOECY IN NYSSA YUNNANENSIS (NYSSACEAE), A CRITICALLY ENDANGERED SPECIES FROM TROPICAL EASTERN ASIA1 Bao-Ling Sun,2,3 Chang-Qin Zhang,2 Porter P. Lowry II,4,5 and Jun Wen6 ABSTRACT Nyssa yunnanensis W. Q. Yin ex H. N. Qin & Phengklai (Nyssaceae) is a critically endangered range-restricted tree … WebMar 4, 2015 · The higher occurrence of dioecy in young successional areas is likely due to a higher relative seed fitness of dioecious species in more stressful conditions or by an evolutionary-driven association between dioecy and colonization ability, as predicted by theoretical studies. Synthesis. simultaneous learning covidWebDec 30, 2009 · 30 December 2009 Cryptic Dioecy in Nyssa Yunnanensis (Nyssaceae), A Critically Endangered Species from Tropical Eastern Asia Bao-Ling Sun , Chang-Qin … simultaneous linear equations worksheet pdf

"WebSep 1, 2006 · The dioecy is cryptic in both, in the sense that the sexes are morphologically hermaphroditic, but functionally unisexual. The scent of both is weak or absent. Both are pollinated by bees, though Solanum flowers require “buzzing” to extract the pollen from poricidal anthers, whereas the pollen in Withania falls free of the longitudinally ... " - Cryptic dioecy

Cryptic dioecy

WebSep 1, 1999 · There is evidence from other island groups that cryptic dioecy may be a common feature of dioecy on oceanic islands (e.g. Humeau et al., 1999) and thus worth comparative study, particularly in... WebOct 1, 1999 · In this study, we quantified the presence and distribution of leaky dioecy in a group of congeneric endemic species of the genus Dombeya (Sterculiaceae) on La …

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WebMost commonly, cryptic dioecy occurs as a dimorphic population composed of plants with staminate ﬂowers (male morphs) and plants with morphologically her- maphroditic ﬂowers that produce both functional pistils and sterile stamens, which may be empty or ﬁlled with sterile pollen (female morphs; Mayer and Charlesworth 1991). WebJan 7, 2024 · 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 on the genetic and chromosomal bases of unisexuality. We review here such developmental ...

WebSeveral new cases of cryptic dioecy have recently been studied. They may give information about the minimal requirements for the evolution … In some dioecious plant … http://flora.huh.harvard.edu/china/novon/annalsmbg-96-04-672.pdf

WebCryptic Dioecy in Nyssa Yunnanensis (Nyssaceae), A Critically Endangered Species from Tropical Eastern Asia1. Annals of the Missouri Botanical Garden, 96(4), 672–684. doi:10.3417/2008015 . WebNov 26, 2008 · Abstract. Pollen morphology of ten Brazilian species within the South American clade (ca. 20 species) of Symplocos section Barberina (Symplocaceae) was …

WebJul 19, 2010 · Cryptic dioecy is widely reported in flowering plants. However, in most instances it is not associated with transitions from heterostyly to dioecy ( Bawa, 1980; Haber and Bawa, 1984; Kevan and Lack, 1985; Kawakubo, 1990; Mayer and Charlesworth, 1991; Kato and Nagamasu, 1995; Renner and Ricklefs, 1995; Aranha et al., 2009 ).

Web• Conclusions In M. pubescens , cryptic dioecy has evolved from stigma-height dimorphism as a result of morph-specific sterility mutations. Key words: Dioecy, distyly, female and … simultaneously affected by aurasWebSynonyms for CRYPTIC: mysterious, enigmatic, obscure, mystic, uncanny, ambiguous, inscrutable, enigmatical; Antonyms of CRYPTIC: intelligible, understandable, obvious ... simultaneously and at the same timeWebJul 19, 2010 · Cryptic dioecy is widely reported in flowering plants. However, in most instances it is not associated with transitions from heterostyly to dioecy (Bawa, 1980; Haber and Bawa, 1984; Kevan and Lack, 1985; Kawakubo, 1990; Mayer and Charlesworth, 1991; Kato and Nagamasu, 1995; Renner and Ricklefs, 1995; Aranha et al., 2009). rcw homes ltdWebSun B-L, Zhang Ch-Q, Lowry PP, Wen J (2009) Cryptic dioecy in Nyssa yunnanensis (Nyssaceae), a critically endangered species from tropical eastern Asia. Annals of the Missouri Botanical Garden 96, 672–684. Cryptic dioecy in Nyssa yunnanensis (Nyssaceae), a critically endangered species from tropical eastern Asia. rcw homeowners associationsWebApr 30, 2024 · In Apocynaceae, there exists a report of cryptic dioecy for Rauvolfia sellowii Müll. Arg. Some individuals have flowers with empty anthers (pistillate), and some have … simultaneous logarithmic equationsWebNov 1, 1999 · In this study, we quantified the presence and distribution of leaky dioecy in a group of congeneric endemic species of the genus Dombeya (Sterculiaceae) on La Réunion island (Indian Ocean). All... simultaneous localization and mapping 読み方WebLes fleurs femelles de certaines espèces dioïques développent des étamines avec du pollen stérile, un système sexuel connu comme dioïsme cryptique. Le fait que les étamines des fleurs femelles attirent les pollinisateurs pour assurer la production de graines, serait une hypothèse convaincante pour expliquer ce phénomène. simultaneous linear equation solver online