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Journal articles on the topic 'Conophytum'

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1

Hammer, Steven A. "Conophytum confessíonal:." Cactus and Succulent Journal 81, no. 4 (2009): 191–95. http://dx.doi.org/10.2985/015.081.0403.

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2

Powell, Robyn F., Laura Pulido Suarez, Anthony R. Magee, James S. Boatwright, Maxim V. Kapralov, and Andrew J. Young. "Genome size variation and endopolyploidy in the diverse succulent plant family Aizoaceae." Botanical Journal of the Linnean Society 194, no. 1 (2020): 47–68. http://dx.doi.org/10.1093/botlinnean/boaa034.

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Abstract Aizoaceae are one of the most diverse succulent plant families in the world, with c. 2 400 species, and they are a major component of the Greater Cape Floristic Region of South Africa. Despite this diversity, genome size (GS) has only been recorded in three of the c. 144 genera of Aizoaceae. This study provides the first comprehensive assessment of GS in the family with 109 genera measured (76% of genera). GS (2C) is conserved in Aizoaceae, varying from 0.54 to 6.34 pg (0.53–6.20 Gbp), with a mean of 2.6 pg. No significant differences between GS and the ecological and environmental tr
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3

Young, Andrew J., Chris Rodgerson, Steven A. Hammer, and Matthew R. Opel. "Conophytum bachelorum and its relatives: the introduction of a new conophytum from Namaqualand, C. confusum." Bradleya 33, no. 33 (2015): 41–49. http://dx.doi.org/10.25223/brad.n33.2015.a7.

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4

Hammer, Steven A. "Conophytum: an annotated checklist (A-C)." Bradleya 6, no. 6 (1988): 101–20. http://dx.doi.org/10.25223/brad.n6.1988.a6.

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5

Hammer, Steven A. "Conophytum: an annotated checklist (D-K)." Bradleya 7, no. 7 (1989): 41–62. http://dx.doi.org/10.25223/brad.n7.1989.a3.

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6

Hammer, Steven A. "Conophytum: an annotated checklist (L-R)." Bradleya 8, no. 8 (1990): 53–84. http://dx.doi.org/10.25223/brad.n8.1990.a6.

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7

Hammer, Steven A. "Conophytum: an annotated checklist (S-Z)." Bradleya 9, no. 9 (1991): 105–15. http://dx.doi.org/10.25223/brad.n9.1991.a5.

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8

Young, Andrew J., and Chris Rodgerson. "A new pubescent variety of Conophytum from the southern Richtersveld: Conophytum flavum subsp. novicium var. kosiesense." Bradleya 35, no. 35 (2017): 159–65. http://dx.doi.org/10.25223/brad.n35.2017.a15.

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9

Jacobs, Tom. "A key to the genus Conophytum N.E.Br." Bradleya 25, no. 25 (2007): 21–32. http://dx.doi.org/10.25223/brad.n25.2007.a5.

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10

Young, Andrew J., Chris Rodgerson, Adam D. Harrower, and Steven A. Hammer. "Conophytum crateriforme - a new dumpling from Namaqualand." Bradleya 33, no. 33 (2015): 52–57. http://dx.doi.org/10.25223/brad.n33.2015.a9.

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11

OPEL, MATTHEW R. "LEAF ANATOMY OF CONOPHYTUM N. E. BR. (AIZOACEAE)." Haseltonia 11 (December 2005): 27–52. http://dx.doi.org/10.2985/1070-0048(2005)11[27:laocne]2.0.co;2.

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12

Powell, R. F., A. R. Magee, F. Forest, R. Cowan, and J. S. Boatwright. "Speciation and population genetics of button plants ( Conophytum, Aizoaceae)." South African Journal of Botany 103 (March 2016): 344. http://dx.doi.org/10.1016/j.sajb.2016.02.154.

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13

Young, Andrew J., Chris Rodgerson, and Steven A. Hammer. "The rough and the smooth: a reassessment of Conophytum reconditum." Bradleya 29, no. 29 (2011): 93–102. http://dx.doi.org/10.25223/brad.n29.2011.a11.

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14

Liede, Sigrid, Steven Hammer, and Vin Whitehead. "Observations on pollination and hybridization in the genus Conophytum (Mesembryanthemaceae)." Bradleya 9, no. 9 (1991): 93–99. http://dx.doi.org/10.25223/brad.n9.1991.a3.

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15

Powell, R. F., C. Klak, J. S. Boatwright, and A. R. Magee. "Generic circumscriptions and relationships in the Conophytum -clade (Ruschieae; Aizoaceae)." South African Journal of Botany 98 (May 2015): 197–98. http://dx.doi.org/10.1016/j.sajb.2015.03.109.

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16

OPEL, MATTHEW R. "A MORPHOLOGICAL PHYLOGENY OF THE GENUS CONOPHYTUM N. E. BR. (AIZOACEAE)." Haseltonia 11 (December 2005): 53–77. http://dx.doi.org/10.2985/1070-0048(2005)11[53:ampotg]2.0.co;2.

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17

Thiede, Joachim, Matthew R. Opel, and Steven A. Hammer. "Flower Pigment Patterns and Systematics of Conophytum N. E. Br. (Aizoaceae)." Haseltonia 16 (January 2011): 9–15. http://dx.doi.org/10.2985/1070-0048-16.1.9.

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18

Powell, R. F., J. S. Boatwright, A. J. Young, J. F. Colville, C. Klak, and A. R. Magee. "Hotbeds of diversity in the stone plant genus Conophytum (Ruschioideae, Aizoaceae)." South African Journal of Botany 109 (March 2017): 364. http://dx.doi.org/10.1016/j.sajb.2017.01.160.

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19

Desmet, Philip G., Tom L. K. F. Jacobs, and Terry C. Smale. "Conophytum subterraneum, a distinctive new species from the north-eastern Richtersveld, South Africa." Bradleya 19, no. 19 (2001): 15–18. http://dx.doi.org/10.25223/brad.n19.2001.a4.

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20

Jürgens, A. "Nectar sugar composition and floral scent compounds of diurnal and nocturnal Conophytum species (Aizoaceae)." South African Journal of Botany 70, no. 2 (2004): 191–205. http://dx.doi.org/10.1016/s0254-6299(15)30235-0.

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21

Jürgens, Andreas, and Taina Witt. "Pollen-ovule ratios and flower visitors of day-flowering and night-flowering Conophytum (Aizoaceae) species in South Africa." Journal of Arid Environments 109 (October 2014): 44–53. http://dx.doi.org/10.1016/j.jaridenv.2014.05.004.

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22

Powell, Robyn F., Anthony R. Magee, Felix Forest, Robyn S. Cowan, and J. Stephen Boatwright. "A phylogeographic study of the stoneplant Conophytum (Aizoaceae; Ruschioideae; Ruschieae) in the Bushmanland Inselberg Region (South Africa) suggests anemochory." Systematics and Biodiversity 17, no. 2 (2019): 110–23. http://dx.doi.org/10.1080/14772000.2019.1571535.

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23

Powell, Robyn F., James S. Boatwright, Cornelia Klak, and Anthony R. Magee. "Inclusion of Ihlenfeldtia and Odontophorus in Cheiridopsis (Ruschioideae: Aizoaceae) and insights into generic and subgeneric circumscription in the Conophytum clade." Botanical Journal of the Linnean Society 184, no. 4 (2017): 457–84. http://dx.doi.org/10.1093/botlinnean/box037.

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24

Bertrand-Sarfati, J., and A. Moussine-Pouchkine. "Evolution and environmental conditions of Conophyton—jacutophyton associations in the atar dolomite (upper proterozoic, Mauritania)." Precambrian Research 29, no. 1-3 (1985): 207–34. http://dx.doi.org/10.1016/0301-9268(85)90069-5.

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25

Carvalho, Maria Gabriela De, and Carlos José Souza de Alvarenga. "Estratigrafia da transição entre os grupos Bambuí e Paranoá no Distrito Federal." Geologia USP. Série Científica 18, no. 4 (2018): 193–208. http://dx.doi.org/10.11606/issn.2316-9095.v18-147795.

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O norte do Distrito Federal (DF) inclui uma expressiva sucessão de rochas carbonáticas de posicionamento estratigráfico divergente, tendo sido incluídos tanto no Grupo Bambuí como no Grupo Paranoá. Neste trabalho, os carbonatos do Grupo Paranoá foram individualizados e separados daqueles da Formação Sete Lagoas do Grupo Bambuí. O primeiro é composto de uma unidade siliciclástica formada predominantemente por intercalações rítmicas de siltitos e arenitos sobreposta por rochas pelito-carbonáticas, com lentes de calcários dolomíticos, onde é possível observar o estromatólito Conophyton metulum Ki
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26

Marian, Melinda L., and Robert H. Osborne. "Petrology, petrochemistry, and stromatolites of the Middle to Late Proterozoic Beck Spring Dolomite, eastern Mojave Desert, California." Canadian Journal of Earth Sciences 29, no. 12 (1992): 2595–609. http://dx.doi.org/10.1139/e92-206.

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The Beck Spring Dolomite is the medial unit of the Middle to Late Proterozoic Pahrump Group, the oldest sequence of sedimentary rocks in eastern California. Stratigraphic sections of the Beck Spring Dolomite examined in the eastern Mojave Desert and Death Valley regions consist of four members. These are, in ascending order, a lower cherty member, a lower laminated member, an oolitic–pisolitic member, and an upper cherty member. More than 80% of the Beck Spring Dolomite is algal-laminated dolomite with a possible Middle to Late Riphean stromatolite assemblage characterized by cf. Conophyton, e
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27

Rizzo, Vincenzo. "Why should geological criteria used on Earth not be valid also for Mars? Evidence of possible microbialites and algae in extinct Martian lakes." International Journal of Astrobiology 19, no. 3 (2020): 283–94. http://dx.doi.org/10.1017/s1473550420000026.

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AbstractDuring the Noachian period, 4.1-3.7 Gys ago, the Martian environment was moderately similar to the one on present Earth. Liquid water was widespread in a neutral environment, volcanic activity and heat flow more vigorous, and atmospheric pressure and temperature were higher than today. These conditions may have favoured the spread of life on the surface of Mars. The recognition that different planets and moons share rocky material cast in space by meteoroid impact entails that life creation is not necessary for each single planetary body, but could travel through the Solar system on bo
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28

Young, Andrew J., and Philip G. Desmet. "The distribution of the dwarf succulent genus Conophytum N.E.Br. (Aizoaceae) in southern Africa." Bothalia 46, no. 1 (2016). http://dx.doi.org/10.4102/abc.v46i1.2019.

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Background: The dwarf succulent genus Conophytum N.E.Br. is one of the most species rich in the Aizoceae. The genus is most closely associated with a region of high floral endemism and biodiversity, the Succulent Karoo biome in south-western Africa.Objectives: To examine the distribution of Conophytum in south-western Namibia and in the Northern and Western Cape Provinces of South Africa.Method: A database comprising 2798 locality records representing all known species and subspecies of the genus Conophytum has been constructed.Results: The genus is primarily restricted to the arid winter-rain
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29

Fraga, Lucio Mauro Soares, Soraya de Carvalho Neves, Gabriela Luiza Pereira Pires, Adriano Luiz Tibães, and Alexandre Uhlein. "ESTROMATÓLITOS COLUNARES NA BASE DO GRUPO MACAÚBAS, NORDESTE DA SERRA DO ESPINHAÇO (MG): PALEONTOLOGIA E AMBIENTE DE SEDIMENTAÇÃO." Geonomos, July 31, 2013. http://dx.doi.org/10.18285/geonomos.v21i1.254.

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Na região nordeste da Serra do Espinhaço Meridional são encontrados metassedimentos da base do Grupo Macaúbas,constituídos por quartzitos, camadas de metapelitos e rochas metacarbonáticas, depositadas em diferentes ambientes de sedimentação:continental, transicional e marinho. Na Formação Domingas ocorrem camadas de metapelitos contendo lentes isoladas de dolomitos comum rico conteúdo paleontológico formado por estruturas estromatolíticas colunares. Em trabalhos de campo recentes foram encontradas edescritas duas lentes de dolomitos na região de Inhaí (região da Fazenda Boqueirão) e uma lente
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