Cryptic dioecy

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August undefined, 2024

WebNov 18, 2024 · Unlike the ‘cryptic dioecy’ in asparagus and kiwifruit, whose flowers bear apparently normal organs of the opposite sex, sex organ abortion in poplars and willows (family Salicacese) occurs ... WebOct 7, 2004 · Aranha Filho J, Fritsch P, Almeda F and Martins A (2008) Cryptic dioecy is widespread in South American species of Symplocos section Barberina (Symplocaceae), Plant Systematics and Evolution, 10.1007/s00606-008-0109-9, 277:1-2, (99-104), Online publication date: 1-Jan-2009.

CSIRO PUBLISHING Australian Journal of Botany

WebJul 29, 2024 · Androdioecy is a rare reproductive system. Fraxinus platypoda, a woody canopy species in Japan’s mountainous riparian zones, is described as a morphologically androdioecious species. In this study, we tried to detect whether F. platypoda is also functionally androdioecious. WebHow to use cryptic in a sentence. The Mysterious Origins of Cryptic Synonym Discussion of Cryptic. secret, occult; having or seeming to have a hidden or ambiguous meaning : … how did spotted lantern flies get into pa

Reproductive role of sterile pollen in cryptically …

http://flora.huh.harvard.edu/china/novon/annalsmbg-96-04-672.pdf WebJan 7, 2024 · Cryptic dioecy: Flowers appear morphologically bisexual; however, only one of the two sexes is functional . Dichogamy: Temporal difference in sexual organs maturation, thus promoting cross-pollination rather than self-pollination. Differences in the timing of pollen dispersal from anthers and stigma receptivity of flowers. 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 … how did stacy keach get the scar on upper lip

Cryptic Dioecy and Leaky Dioecy in Endemic Species of …

Evolution and Speciation of Island Plants Heredity

WebJan 12, 2024 · The dioecious species have flowers that are morphologically perfect and functionally unisexual. Flowers in successive stages of development were collected, photographed, and fixed in formalin-acetic acid-alcohol. The material was examined using light microscopy and scanning electron microscopy. 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 ... how did springtrap survived the fireWebBackground and aims: Evolutionary transitions from heterostyly to dioecy have been proposed in several angiosperm families, particularly in Rubiaceae. These … how did srivijaya become wealthy and powerful

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Cryptic dioecy

WebFeb 2, 2011 · Given the evident role of stamens in female flowers in A. polygama reproduction, we discuss why cryptic dioecy is a rare phenomenon.Key words: … 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 …

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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... 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 …

WebSun 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. WebSynonyms for CRYPTIC: mysterious, enigmatic, obscure, mystic, uncanny, ambiguous, inscrutable, enigmatical; Antonyms of CRYPTIC: intelligible, understandable, obvious ...

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. Webcryptic meaning: 1. mysterious and difficult to understand: 2. mysterious and difficult to understand: 3…. Learn more.

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 …

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 ... how did sprite become the black sodaWebFind 45 ways to say CRYPTIC, along with antonyms, related words, and example sentences at Thesaurus.com, the world's most trusted free thesaurus. how did sri chinmoy dieWebOct 31, 2024 · Cryptic dioecy (Mayer and Charlesworth 1991) characterized the population of G. brasiliensis in the Maricá restinga, due to the occurrence of male plants as well as plants with morphologically … how did stal gain powerWebThese cryptically dioecious systems have the potential to provide significant insights into the selective factors and constraints involved in the evolution to and from dioecy. Thalictrum macrostylum is a morphologically androdioecious species in which the apparently hermaphroditic morph is functionally female. Methodology . how did stalin\u0027s 5 year plans change the ussrWebOct 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 … how did stabler leave svuWebDec 30, 2009 · 30 December 2009 Cryptic Dioecy in Nyssa Yunnanensis (Nyssaceae), A Critically Endangered Species from Tropical Eastern Asia Bao-Ling Sun , Chang-Qin … how did sri lanka economy collapseWebLes 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. how did sri lanka separate from india