Cryptic dioecy

Author: itlb

August undefined, 2024

WebKey words: androdioecy, cryptic dioecy, diallelic self-incompatibility system, naturalized populations, plant mating systems, transgeneric conservation of SI functionality. Summary A rare homomorphic diallelic self-incompatibility (DSI) system discovered in Phillyrea angustifolia (family Oleaceae, subtribe Oleinae) can promote the transition from 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.

Sterile stamens do not enhance seed set in females of the

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. 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 … cypress swamp trail florida

Evolution of cryptic dioecy in Callicarpa (Verbenaceae) on the …

WebDec 30, 2009 · 30 December 2009 Cryptic Dioecy in Nyssa Yunnanensis (Nyssaceae), A Critically Endangered Species from Tropical Eastern Asia Bao-Ling Sun , Chang-Qin … 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. 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... binary_log_types.h

Cryptic dioecy in flowering plants - PubMed

Cryptic dioecy in Mussaenda pubescens (Rubiaceae): a species …

WebAll 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 with strict dioecy and large populations tend to occur in mid- to high-altitude moist tropical cloud forest, whereas species in smaller populations at lower altitude and in semidry ... Web为了定量分析气候变化和土地利用情况对流域水循环演变特征的影响,以灾害多发地带的沙颍河流域为研究区,选取流域及周边12个站点的逐日气象数据,以m-k检验方法为主,分析流域的趋势性、突变性和周期性;同时,选取沙颍河流域3期的土地利用数据,分析不同土地利用类型的演 … cypress swings robertsdale alabamaWebNov 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... binary longevity llc

"WebThese 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 . " - Cryptic dioecy

Cryptic dioecy

WebApr 1, 2024 · Proto-X and proto-Y = nascent sex chromosomes. (b) An alternative model involves nucleo-cytoplasmic mutations, with gynodioecy being determined by a cytoplasmic-male-sterility factor (CMS) and a nuclear restorer of male fertility gene (Rf) system, in which case dioecy is determined by cryptic CMS, fixed in the population. If the Rf gene and a ... 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 …

Did you know?

WebAug 1, 2016 · Cryptic dioecy appears morphologically androdioecious, but the male organs in the hermaphrodite are sterile (Anderson and Symon, 1989, Cane, 1993 and references therein). However, functional androdioecy characterized by the coexistence of hermaphrodites that have both male and female function, and males (with higher male … 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 ; …

WebFind 45 ways to say CRYPTIC, along with antonyms, related words, and example sentences at Thesaurus.com, the world's most trusted free thesaurus. 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.

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 … WebBackground and aims: Evolutionary transitions from heterostyly to dioecy have been proposed in several angiosperm families, particularly in Rubiaceae. These …

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 …

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 … cypress tan shingleWebcryptic meaning: 1. mysterious and difficult to understand: 2. mysterious and difficult to understand: 3…. Learn more. binary logistic regression when to useWebWe 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 ... cypress tattoo shopWebFeb 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: … binary logistic regression write up apaWeb• 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 … cypress tankWebHow 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 : … cypress tahoe homesWebCryptic 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 . cypress teachers facebook