The Genera of Araceae Project

Mayo, Simon Joseph; Bogner, Josef; Boyce, Peter C.

doi:10.1111/j.1467-8748.1995.tb00500.x

Cited by 83 publications

(175 citation statements)

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“…The high abundance of Araceae recorded in the present survey is also similar to results found in studies in the Venezuelan Amazon, where this family contributed 47% of specimens sampled (Nieder et al 2000), which represented 43.3% of total abundance and in the Colombian Amazon, where Araceae contributed 58.8% of specimens and 76% of the epiphytic biomass of the sampled site (Benavides et al 2006). Araceae is reported as one of the most important families of neotropical epiphytic flora, considering that its wealth is concentrated in the tropics (Gentry & Dodson 1987b;Mayo et al 1997). For Brazil, approximately 460 Araceae species are recognized in 35 genera (Coelho et al 2010).…”

Section: Resultssupporting

confidence: 78%

Floristic composition and community structure of epiphytic angiosperms in a terra firme forest in central Amazonia

et al. 2013

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10 cm) were sampled. We recorded 3.528 individuals in 13 families, 48 genera and 164 species. Araceae was the most prevalent family with regard to the importance value and stood out in all related parameters, followed by Bromeliaceae, Cyclanthaceae and Orchidaceae. The species with the highest epiphytic importance values were Guzmania lingulata (L.) Mez. and Philodendron linnaei Kunth. The predominant life form was hemiepiphytic. Estimated floristic diversity was 3.2 (H'). The studied epiphytic community was distributed among 727 host plants belonging to 40 families, 123 genera and 324 species. One individual of Guarea convergens T.D. Penn. was the host with the highest richness and abundance of epiphytes. Stems/trunks of host plants were the most colonized segments, and the most favorable habitat for epiphytism was the lowlands, where 84.1% of species and 48.2% of epiphytic specimens were observed.]]>

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Section: Resultssupporting

confidence: 78%

Floristic composition and community structure of epiphytic angiosperms in a terra firme forest in central Amazonia

et al. 2013

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“…The chromosome number of most Dieffenbachia species is 2n = 34 (Jones, 1957). Mayo et al (1997) reported the ploidy state of Dieffenbachia with chromosome number 2n = 34, 68.…”

Section: Resultsmentioning

confidence: 99%

“…Cell inclusions in the petioles of the studied species and cultivar include raphides, druses and starch grains. Raphides and druses of calcium oxalate crystals are common occurrences in Araceae species (Middendorf, 1982 andMayo, et al, 1997). Keating (2004) worked extensively on raphide crystals in Araceae.…”

Section: Petiole Anatomymentioning

confidence: 99%

Comparative Foliar and Petiole Anatomy of Some Members of the Genus Dieffenbachia Schott in the Family Araceae

Arogundade

Adedeji

2017

Not Sci Biol

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This study provides detailed information of the anatomical attributes of the epidermis and the three regions of the petiole of four members of the genus Dieffenbachia Schott. Fresh samples of the leaves of Dieffenbachia picta Schott, Dieffenbachia oerstedii Schott, Dieffenbachia senguine (Jacq) Schott and Dieffenbachia senguine cultivar 'Candida' Schott were used. Epidermal peels and transverse sections were made following standard procedures. Generic characters revealed uniform epidermal cell shape on the abaxial surface, wavy to undulating and straight to wavy anticlinal wall patterns on the adaxial and abaxial surfaces respectively, brachyparacytic stomata types, round abaxial petiole outline, the presence of raphides and druses in the petioles of all the taxa.

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“…Although various Araceae have highly reduced unisexual flowers and exine similarities, these features do not occur in the same living clades, and in the context of current phylogenies (Cabrera et al 2008;Cusimano et al 2011) it is unparsimonious to assume that they occurred together in the past. The stamens of Araceae (illustrated in Mayo et al 1997) are also very different from those of the Pennipollis plant. Friis et al (2010bFriis et al ( , 2011 rejected a relationship of the Pennipollis plant to Chloranthaceae, but their main argument was the fact that the combination of reticulate tectum and granular infratectum is not known outside monocots.…”

mentioning

confidence: 99%

Integrating Early Cretaceous Fossils into the Phylogeny of Living Angiosperms: ANITA Lines and Relatives of Chloranthaceae

Doyle

Endress

2014

International Journal of Plant Sciences

111

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Editor: Patrick S. HerendeenPremise of research. Discoveries of fossil flowers in Cretaceous rocks offer improved evidence for relationships with living clades, but for more secure inferences formal phylogenetic analyses are desirable. We extend previous analyses of magnoliids, monocots, and basal eudicots to Aptian, Albian, and Cenomanian fossils related to the basal "ANITA" lines and Chloranthaceae.Methodology. We performed parsimony analyses of a morphological data set of Recent angiosperms and published fossils, with the arrangement of Recent taxa constrained to backbone trees based primarily on molecular data.Pivotal results. Not only Monetianthus (as previously inferred) but also Carpestella is nested within Nymphaeaceae, while Pluricarpellatia may be a stem relative of Cabombaceae or Nymphaeaceae. Anacostia (with Similipollis pollen) is nested within Austrobaileyales. The position of Couperites (with Clavatipollenites pollen) is ambiguous: it may be on the stem lineage of Chloranthaceae (and Ceratophyllum, if this extant aquatic is related to Chloranthaceae), nested in Chloranthaceae, or more basal. Plants with Asteropollis pollen and reduced tepals are related to the chloranthaceous genus Hedyosmum. Zlatkocarpus, which also has a reduced perianth, may be either a stem relative or a crown group member of Chloranthaceae. Plants that produced loosely reticulate Pennipollis pollen are more likely related to Chloranthaceae and/or Ceratophyllum than to monocots. We confirm that Canrightia, with bisexual flowers and a reduced perianth, is a stem relative of Chloranthaceae. Despite similarities to Piperales, Appomattoxia (with Tucanopollis pollen) is more likely near the base of the ANITA grade or related to Chloranthaceae and/or Ceratophyllum.Conclusions. The Cretaceous rise of angiosperms involved the radiation not only of magnoliids, eudicots, and monocots but also of basal ANITA lines, including both aquatic Nymphaeales and woody groups. Our results reaffirm the early diversity of Chloranthaceae and clarify their floral evolution, in which a shift to unisexual flowers preceded loss of the perianth.

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The Genera of Araceae Project

Cited by 83 publications

References 0 publications

Floristic composition and community structure of epiphytic angiosperms in a terra firme forest in central Amazonia

Floristic composition and community structure of epiphytic angiosperms in a terra firme forest in central Amazonia

Comparative Foliar and Petiole Anatomy of Some Members of the Genus Dieffenbachia Schott in the Family Araceae

Integrating Early Cretaceous Fossils into the Phylogeny of Living Angiosperms: ANITA Lines and Relatives of Chloranthaceae

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