Flavonoid chemistry of Calyceraceae

1995 ◽  
Vol 73 (12) ◽  
pp. 1962-1965 ◽  
Author(s):  
Bruce A. Bohm ◽  
Alan Reid ◽  
Melanie DeVore ◽  
Tod F. Stuessy

Flavonoid profiles were determined for 11 species representing five genera of Calyceraceae: Acicarpha, Boöpis, Calycera, Gamocarpha, and Nastanthus. Kaempferol, quercetin, 6-methoxykaempferol, and 6-methoxyquercetin (patuletin) were unequivocally identified. Kaempferol and quercetin occurred as 3-O-mono- and 3-O-diglycosides, whereas the latter two flavonols were observed only as aglycones. Several unidentified phenolic compounds were also noted. The simplest profile in the family consisted solely of the kaempferol and quercetin glycosides in Acicarpha, Gamocarpha, and one specimen of Calycera leucanthema. Morphological evidence suggests that Acicarpha represents prototypical Calyceraceae and that a close relationship exists between primitive Calyceraceae and some basal members of Asteraceae (subfamily Barnadesioideae). This last possibility is reinforced by the similarity of flavonoid profiles of Acicarpha and members of Barnadesioideae. Key words: Calyceraceae, Asteraceae, Compositae, Barnadesioideae, flavonoids.

1970 ◽  
Vol 37 (2) ◽  
pp. 199-201 ◽  
Author(s):  
MM Hoque ◽  
MK Huda
Keyword(s):  

Brachycorythis (Lindl.) Summerh. of the family Orchidaceae is reported here as a new angiospermic record for Bangladesh flora. Key words: Brachycorythis obcordata, Orchidaceae, New record, Bangladesh doi:10.3329/bjb.v37i2.1732 Bangladesh J. Bot. 37(2): 199-201, 2008 (December)


1992 ◽  
Vol 70 (8) ◽  
pp. 1617-1658 ◽  
Author(s):  
R. A. Shoemaker ◽  
C. E. Babcock
Keyword(s):  

Six genera of the order Pleosporales are revised taxonomically. Although five genera have unusual applanate ascospores, they are members of three different families. Clathrospora (10 species, 2 new), Comoclathris (21 species, 7 new), and Macrospora (3 species) are placed in a new family Diademaceae in which the ascoma opening is a characteristic flat circular lid. Diademosa, a new genus with one species with terete ascospores is placed in Diademaceae. Graphyllium (3 species) is placed in the family Hysteriaceae characterized by hysterothecia with a slit-like opening. Platysporoides n.gen. (11 species, 1 new) is maintained in the Pleosporaceae because of the terete pored beak of the ascomata. Key words: Pleosporales, applanate ascospores, Clathrospora, Comoclathris, Macrospora, Diademosa, Graphyllium, Platysporoides.


Zootaxa ◽  
2021 ◽  
Vol 5051 (1) ◽  
pp. 346-386
Author(s):  
SÜPHAN KARAYTUĞ ◽  
SERDAR SAK ◽  
ALP ALPER ◽  
SERDAR SÖNMEZ

An attempt was made to test if Lourinia armata (Claus, 1866)—as it is currently diagnosed—represents a species complex. Detailed examination and comparisons of several specimens collected from different localities suggest that L. armata indeed represents a complex of four closely related morphospecies that can be differentiated from one another by only detailed observations. One of the four species is identified as Lourinia aff. armata and the other three species are described as new to science and named as Lourinia wellsi sp. nov., L. gocmeni sp. nov., and L. aldabraensis sp. nov. Detailed review of previous species records indicates that the genus Lourinia Wilson, 1924 is distributed worldwide. Ceyloniella nicobarica Sewell, 1940, originally described from Nicobar Island and previously considered a junior subjective synonym of L. armata is reinstated as Lourinia nicobarica (Sewell, 1940) comb. nov. on the basis of the unique paddle-shaped caudal ramus seta V. It is postulated that almost all of these records are unreliable in terms of representing true Lourinia aff. armata described herein. On the other hand, the comparative evaluation of the illustrations and descriptions in the published literature indicates the presence of several new species waiting to be discovered in the genus Lourinia.                 It has been determined that, according to updated modern keys, the recent inclusion of the monotypic genus Archeolourinia Corgosinho & Schizas, 2013 in the Louriniidae is not justified since Archeolourinia shermani Corgosinho & Schizas, 2013 does not belong to this family but should be assigned to the Canthocamptidae. On the other hand, it has been argued that the exact phylogenetic position of the Louriniidae still remains problematic since none of the diagnostic characters supports the monophyly of the family within the Oligoarthra. It has also been argued that the close relationship between Louriniidae and Canthocamptidae is supported since both families share the homologous sexual dimorphism (apophysis) on P3 endopod. The most important characteristic that can possibly be used to define Louriniidae is the reduction of maxilliped.  


Zootaxa ◽  
2018 ◽  
Vol 4521 (4) ◽  
pp. 499
Author(s):  
SHINPEI OHASHI

Osteological and myological characters of the ophidiid Hypopleuron caninum are described here in detail. In addition to well-known characters of Ophidiidae (e.g., anal-fin origin well posterior to dorsal-fin origin; barbel-like pelvic fin; many scales), many unique or rare conditions were also recognized, including predorsal bone and maxilla condition, and canine teeth on the premaxilla, which were suggestive of a relationship with Carapidae. Furthermore, the predorsal bone appear to be homologous with the vexillar support, a carapid synapomorphy. Although several characters differ from carapid counterparts (e.g., more anterior anal-fin origin and scales absent in Carapidae), some intermediate conditions between Ophidiidae and Carapidae are apparent in Hypopleuron caninum, which may therefore occupy an intermediate phylogenetic position between the two families. A unique morphology of small second infraorbital bone is recognized in all ophidiiform species observed in this study, and it may be a synapomorphic character of the order Ophidiiformes. 


2017 ◽  
Vol 78 (1) ◽  
pp. 98-107 ◽  
Author(s):  
J. A. Ávila-Reyes ◽  
N. Almaraz-Abarca ◽  
A. I. Chaidez-Ayala ◽  
D. Ramírez-Noya ◽  
E. A. Delgado-Alvarado ◽  
...  

Abstract The family Verbenaceae hosts important species used in traditional medicine of many countries. The taxonomic controversies concerning the specific delimitation of several of its species make it difficult to guarantee the botanical origin of herbal preparations based on species of this family. To contribute to the development of both specific chemomarkers and a quality control tool to authenticate the botanical origin of herbal preparations of Verbenacea species, we determined the foliar HPLC-DAD phenolic profiles and the antioxidant properties of 10 wild species of this family occurring in Mexico. The contents of phenols and flavonoids varied significantly among species. Priva mexicana showed the highest levels of total phenolics (53.4 mg g-1 dry tissue) and Verbena carolina had the highest levels of flavonoids (17.89 mg g-1 dry tissue). Relevant antioxidant properties revealed by antiradical and reducing power were found for the analyzed species. These properties varied significantly in a species-dependent manner. The phenolic compounds accumulated were flavones and phenolic acids. Flavones were the only type of flavonoids found. The results of a cluster analysis showed that the compounds were accumulated in species-specific profiles. The phenolic profiles are proposed as valuable chemomarkers that can become a useful tool for the quality control concerning the botanical origin of herbal medicinal preparations based on the species analyzed. In addition, phenolic profiles could contribute importantly to solve the taxonomic controversies concerning species delimitation in the family Verbenaceae.


Zootaxa ◽  
2017 ◽  
Vol 4254 (5) ◽  
pp. 537 ◽  
Author(s):  
CHIA-HSUAN WEI ◽  
SHEN-HORN YEN

The Epicopeiidae is a small geometroid family distributed in the East Palaearctic and Oriental regions. It exhibits high morphological diversity in body size and wing shape, while their wing patterns involve in various complex mimicry rings. In the present study, we attempted to describe a new genus, and a new species from Vietnam, with comments on two assumed congeneric novel species from China and India. To address its phylogenetic affinity, we reconstructed the phylogeny of the family by using sequence data of COI, EF-1α, and 28S gene regions obtained from seven genera of Epicopeiidae with Pseudobiston pinratanai as the outgroup. We also compared the morphology of the new taxon to other epicopeiid genera to affirm its taxonomic status. The results suggest that the undescribed taxon deserve a new genus, namely Mimaporia gen. n. The species from Vietnam, Mimaporia hmong sp. n., is described as new to science. Under different tree building strategies, the new genus is the sister group of either Chatamla Moore, 1881 or Parabraxas Leech, 1897. The morphological evidence, which was not included in phylogenetic analyses, however, suggests its potential affinity with Burmeia Minet, 2003. This study also provides the first, although preliminary, molecular phylogeny of the family on which the revised systematics and interpretation of character evolution can be based. 


1970 ◽  
Vol 2 (3) ◽  
pp. 48-50
Author(s):  
Ramesh S Dani ◽  
Krishna K Shrestha

Viola mandshurica W. Becker and Viola odorata L. belonging to the family Violaceae are reported for the first time from Nepal. The plants were collected along the trail between the suburbs Chovar and Jalbinayak, Kathmandu. Key words: Herbarium, Nepal, Viola Himalayan Journal of Sciences 2(3): 48-50, 2004


2011 ◽  
Vol 58 (4) ◽  
pp. 355-361 ◽  
Author(s):  
Ivona Milačić Vidojević ◽  
Dragana Ðurić Jočić ◽  
Oliver Tošković

Aim: The presented study is part of the International Study of Discrimination and Stigma Outcomes (INDIGO) conducted in 28 countries. The aim of this study was to compare the degree of experienced and anticipated stigma of patients with schizophrenia in Serbia with world results. Method: The Discrimination and Stigma Scale (DISC) was applied in individual interviews. The sample comprised 732 subjects of the main study and 50 subjects from Serbia. Results: The amount of negative experienced discrimination in Serbia is the same as in other participating countries. The Serbian sample shows more negative discrimination in intimate relationships, personal safety and general harm due to the diagnosis, but more positive discrimination within the family, privileges during treatment of somatic illnesses, and benefits enjoyed in social and retirement insurance. The Serbian sample shows less anticipated discrimination in looking for a close relationship and in stopping self from applying for work. The results show that socio-demographic variables could not predict negative experienced and anticipated discrimination, while those same variables enable the prediction of 34% of positive discrimination. Conclusion: Compared to other investigated countries, stigmatization processes for persons with schizophrenia do not differ considerably in Serbia, which justifies the implementation of unique anti-stigma programmes and joint upgrading of legal regulations.


2009 ◽  
pp. 206-214
Author(s):  
Osvaldo Pieroni

- While a re-evaluation of the peasant role is emerging at the scientific level, public and institutional opinion is still influenced by the classical image of antimodern peasants. In the last years, rural sociologists and some agrarian economists have emphasized the persistence of the "peasant model of farming". Considering the present food and environmental crises, the new functions developed in the family farm represent a structural change, both in social and economic terms. By proposing the definition of strategic fertility as a specific relationship with the soil in view of a durable reproduction, the author is outlining the new relevant aspects of the peasant culture. Key words: peasant culture; peasant agriculture; family farm; land; biological fertility; co-evolution.


2021 ◽  
Vol 46 (4) ◽  
pp. 891-915
Author(s):  
Susan Fawcett ◽  
Alan R. Smith ◽  
Michael Sundue ◽  
J. Gordon Burleigh ◽  
Emily B. Sessa ◽  
...  

Abstract— The generic classification of the Thelypteridaceae has been the subject of much controversy. Proposed taxonomic systems have varied from recognizing the approximately 1200 species in the family within the single genus Thelypteris, to systems favoring upwards of 30 genera. Insights on intrafamilial relationships, especially for neotropical taxa, have been gained from recent phylogenetic studies; however, in the most recent classification, 10 of 30 recognized genera are either non-monophyletic or untested. We sequenced 407 nuclear loci for 621 samples, representing all recognized genera and approximately half the known species diversity. These were analyzed using both maximum likelihood analysis of a concatenated matrix and multi-species coalescent methods. Our phylogenomic results, informed by recently published morphological evidence, provide the foundation for a generic classification which recircumscribed 14 genera and recognized seven new genera. The 37 monophyletic genera sampled demonstrate greater geographic coherence than previous taxonomic concepts suggested. Additionally, our results demonstrate that certain morphological characters, such as frond division, are evolutionarily labile and are thus inadequate for defining genera.


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