Paris nitida (Melanthiaceae): revisting morphological characteristics, biogeography and phylogenetic relationships

Phytotaxa ◽  
2019 ◽  
Vol 424 (3) ◽  
pp. 184-190
Author(s):  
WEN-XIA RAO ◽  
HONG-XIANG YIN ◽  
RU-YU YAO

Paris nitida is a newly published species, but little is known about its morphological characteristics, distribution and phylogenetic relationship. In this study, field investigation, literature study, morphological observation and molecular nrITS sequence analysis were used to improve knowledge of this species. Morphological traits of P. nitida were found to be more similar to those of Paris fargesii var. brevipetalata, rather than Paris caobangensis as reported before; moreover, a new distribution record in the centre of the Yunnan-Guizhou Plateau was found; additionally, P. nitida was clustered with Paris fargesii var. fargesii, P. fargesii var. brevipetalata, and P. caobangensi in a NJ tree based on the ITS sequences. Accordingly, P. nitida is more closely related to P. sect. Fargesianae rather than P. caobangensis; the habitat of P. nitida is located from south of the Yangtze River to the north of the Nanling Mountains, mainly including the central part of Yunnan-Guizhou Plateau and central Chinese mountains. It is geographically isolated from P. caobangensis, which occurs in northern Vietnam. The central part of Yunnan-Guizhou Plateau may be its area of origin.

2016 ◽  
Vol 48 (5) ◽  
pp. 387-421 ◽  
Author(s):  
Daphne F. STONE ◽  
James W. HINDS ◽  
Frances L. ANDERSON ◽  
James C. LENDEMER

AbstractA revision of the North American members of the Leptogium saturninum group (i.e. species with long lower-surface hairs, isidia, and usually smooth upper surface) is presented based on molecular phylogenetic analyses of mtSSU and nrITS sequence data, together with an extensive morphological study. Three species supported by both molecular and morphological characteristics are recognized: L. acadiense sp. nov. (distinguished by granular saturninum-type isidia, medulla composed of irregularly arranged or perpendicular hyphae), L. cookii sp. nov. (distinguished by cylindrical saturninum-type isidia) and L. hirsutum (distinguished by hirsutum-type isidia and medulla composed of loosely intertwined hyphae). One species supported by morphological characteristics, but for which no molecular data could be generated, is also recognized: L. compactum sp. nov. (distinguished by hirsutum-type isidia and medulla composed of tightly packed hyphae). Finally, L. saturninum (distinguished by granular saturninum-type isidia and medulla composed of perpendicular and parallel hyphae) is supported by morphological characteristics but molecular data from geographically diverse populations, including those near the type locality, indicate that the morphologically defined species is paraphyletic. Leptogium burnetiae is excluded from North American based on morphological study of the type. The species are described and illustrated in detail, and are distinguished morphologically by their isidium development, morphology of mature isidia, and pattern of hyphae in the medulla in transverse sections near lobe margins. A key to the members of the L. saturninum group and related species is also presented.


Zootaxa ◽  
2019 ◽  
Vol 4565 (2) ◽  
pp. 201 ◽  
Author(s):  
ZHIBIN GAN ◽  
XINZHENG LI

Four deep-water species of stalked barnacles were collected by the manned submersibles Jiaolong and Shenhaiyongshi during recent expeditions. Trianguloscalpellum regium (Wyville-Thomson, 1873), collected from the Mariana Trench at a depth of 5,462 m, represents a new distribution record. Glyptelasma gigas (Annandale, 1916), Poecilasma litum Pilsbry, 1907 and Poecilasma obliqua Hoek, 1907, collected from the South China Sea, are recorded for the first time from a mud volcano environment. Detailed photographs of these four species are presented and their partial sequences of 16S rRNA and mt COI genes are provided. 


Jurnal Wasian ◽  
2021 ◽  
Vol 8 (2) ◽  
pp. 103-113
Author(s):  
Ni Putu Asih ◽  
◽  
I Gusti Sudirga ◽  
I Gede Tirta

Medinilla is a tropical forest plant that has potential as an ornamental and medicinal plant. The diversity of Medinilla in Bali is poorly studied. This study aims to determine the diversity, distribution and conservation activities of Bali’s Medinilla at the Eka Karya Bali Botanical Garden. The research method used are literature study, search for data collection and exploration, amd herbarium observations. Based on this research, it is known that there are six species of Medinilla in Bali such as Medinilla crassifolia (Reinw.ex Blume) Blume, Medinilla alpestris Blume, Medinilla laurifolia (Blume) Blume, Medinilla radicans (Blume) Blume, Medinilla speciosa (Reinw.ex Blume) Blume and Medinilla quadrifolia (BI.) Bakh. F. M. quadrifolia is a new distribution record for Bali. All species were discovered in the districts of Buleleng, Bangli, Gianyar, Jembrana, Karangasem and Tabanan districts. Only four species have been conserved in the Bali Botanical Gardens, according to data from the Eka Karya Bali Botanical Gardens' collection, therefore exploration and collection activities are critical. Conservation activities carried out at Eka Karya Bali Botanical Garden are collecting and data collection, maintaining and propagating species of Medinilla.


2021 ◽  
Vol 62 (4) ◽  
pp. 29-37
Author(s):  
Bat Van Dang ◽  
Chi Kim Thi Ngo ◽  
Binh Van Phan ◽  
Hiep Huu Nguyen ◽  
Hau Vinh Bui ◽  
...  

Morphological characteristics of the southwestern deep-depression East Sea have been defined based on the subdivision into co-origin surfaces. The results show that, the study area has 16 morphological units, including: Horizontal surface, slightly inclined surface, continental shelf accumulation, 200÷300 m depth; The surface is slightly inclined and wavy accumulates the outer shelf, 300÷700 m deep; Horizontal surface, abrasive, 500÷700 m (Guyot); Abrasive horizontal surface (Guyot), depth 1,300÷1,600 m; Abrasive horizontal surface (Guyot), depth -2,000 m; The surface of the ancient volcanic crest is distributed at different depths; Young volcanic surface, 1,200÷3,000 m deep; Wavy, accumulative plain, continental rise, 1,100÷1,800 m deep; Plain transport - accumulation plain, depth 1,100÷2,300 m; The smooth plain transports accumulates, depth 2,300÷3,000 m; The plain is divided by underground hills and mountains in the north, 2,000÷2,600 m deep; The plain is strongly dissected of underground mountains, 1,700÷2,600 m deep; Deep depression surface splits; Tectonic slope surface, continental slope 800÷1,400 m depth; Slope surface of the Northwestern underground mountain range 1,800÷2,600 m; Slope surface of the Southeastern underground mountain range 2000÷2900 m. Based on the morphological characteristics of the study area, field investigation, and analytical results allowed us to capture the potential areas of the Fe - Mn nodule and crust, namely: morphological units such as Guyot, young volcanic surface are supposed to be the prospect of the Fe - Mn crust while the deepwater surfaces demonstrate favorable place for Fe - Mn nodule can produce accumulation.


2020 ◽  
Vol 5 (3) ◽  
pp. 172
Author(s):  
Ari Sunandar ◽  
Arif Didik Kurniawan

Borneo Island has a large number of wild banana species. As a part of Borneo Island, West Kalimantan has limited information about the diversity of wild bananas. This research aims to update the record distribution of wild bananas from Bonti District of Sanggau Regency and to determine their morphological characteristics. Exploration method and resident information were used in this study. Two species of wild bananas have been identified and considered as new distribution records in West Kalimantan Province, namely-Musa borneensis var. sarawakensis with morphological character pseudostem red-purple colour, sparse black-purple blotches at petiole base, leaf base shape rounded on both sides, male bud red-purple colour and Musa campestris var. sarawakensis with morphological character pseudostem yellow-green colour, inflorescence erect, leaf base one side rounded and one-pointed, the dorsally pink-purple and ventrally pink-purple colour of bract.


2021 ◽  
Vol 47 (2) ◽  
pp. 253-258
Author(s):  
Debaprasad Sengupta ◽  
Subhasish Arandhara ◽  
Puja Deb

Opportunistic sightings of Aglais caschmirensis aesis were recorded for the first time (on two different occasions) from Dibrugarh city in the state of Assam with new elevation records (109 and 113 m) from the north-eastern region of India.


Check List ◽  
2015 ◽  
Vol 11 (1) ◽  
pp. 1540
Author(s):  
William Trujillo Calderón ◽  
Edwin Trujillo Trujillo ◽  
Oscar Perdomo

The known range of Chelyocarpus ulei is extended 430 km to the north, in Caquetá, Colombia. The new locality represents the northwestern most limit of the species’ range, collected at the municipalities of Florencia, Caquetá, Colombia.


Author(s):  
Daryl A. Cornish ◽  
George L. Smit

Oreochromis mossambicus is currently receiving much attention as a candidater species for aquaculture programs within Southern Africa. This has stimulated interest in its breeding cycle as well as the morphological characteristics of the gonads. Limited information is available on SEM and TEM observations of the male gonads. It is known that the testis of O. mossambicus is a paired, intra-abdominal structure of the lobular type, although further details of its characteristics are not known. Current investigations have shown that spermatids reach full maturity some two months after the female becomes gravid. Throughout the year, the testes contain spermatids at various stages of development although spermiogenesis appears to be maximal during November when spawning occurs. This paper describes the morphological and ultrastructural characteristics of the testes and spermatids.Specimens of this fish were collected at Syferkuil Dam, 8 km north- west of the University of the North over a twelve month period, sacrificed and the testes excised.


Check List ◽  
2014 ◽  
Vol 10 (2) ◽  
pp. 450 ◽  
Author(s):  
Farahnaz Molavi ◽  
Tooba Mohammadian-kalat ◽  
Bahram Hasanzade Kiabi ◽  
Haji Gholi Kami ◽  
Morteza Yazdanpanahi

The Toad-headed agama, Phrynocephalus mystaceus Pallas 1776, was described in 1999 from eastern Khorasan by Anderson. Seven specimen of The Toad-headed agama were collected in Khar Turan National Park during fieldwork from June 2008 to June 2009. The new locality of the species is situated about 900 km west of the type locality. This record indicates a wider distribution of Phrynocephalus mystaceus on the Iranian plateau than previously thought. Information on morphological characters and habitat is presented.


Zootaxa ◽  
2018 ◽  
Vol 4394 (1) ◽  
pp. 144
Author(s):  
FELIPE A. NOGUERA ◽  
NAYELI GUTIÉRREZ ◽  
MIGUEL A. MONNÉ

A new species of the genus Sympleurotis Bates from Jalisco, Mexico is described and illustrated. Details of a new state record of Sympleurotis rudis Bates, 1881 from Chiapas, Mexico is also included. 


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