scholarly journals Miconia bahiana (Melastomataceae, Miconieae), a new species from semideciduous forest in Bahia, Brazil

2020 ◽  
Vol 153 (1) ◽  
pp. 152-159
Author(s):  
Renato Goldenberg ◽  
Jôane Coelho De Jesus ◽  
André M. Amorim

Background – Recent collection efforts in semideciduous forests from Bahia, Brazil, provided material that belongs to a species of Miconia (Melastomataceae) not yet described scientifically. Here, we describe this new species and compare it to four species in the “Miconia discolor group” that share morphological similarities. We also provide illustrations, photographs, a distribution map and conservation assessment for the new species.Methods – This study was based on specimens from several herbaria and field collections, which resulted in photographs and ethanol-preserved material, as well as information about the environment where the plants were found. The conservation assessment is based on field observations and spatial analyses (i.e., extent of occurrence, area of occupancy), following IUCN guidelines and criteria.Results – Miconia bahiana has been collected ten times in four localities since 2001, ranging from 800 to 1041 m elevation. The species resembles a group of species endemic to the Brazilian Atlantic Forest (M. capixaba R.Goldenb., M. cubatanensis Hoehne and M. setosociliata Cogn.), all of them with abaxial leaf surfaces densely (seldom moderately) covered with branched trichomes, inflorescences with paraclades with a first dichasial branching, then uniparous (scorpioid) branchings, and white, glabrous stamens lacking appendages or with dorsal ones, the anthers with a moderate to large pore. It differs from the above cited species by the rounded to subcordate leaf bases, and the persistent calyx with a truncate inner membrane, lacking well-defined lobes. This new species is described, illustrated, and compared with the species mentioned above. According to IUCN guidelines and criteria, we recommend to assess M. bahiana as Endangered (EN).

Phytotaxa ◽  
2020 ◽  
Vol 450 (3) ◽  
pp. 285-292
Author(s):  
THIAGO FERNANDES ◽  
MATHEUS FORTES SANTOS ◽  
JOÃO MARCELO ALVARENGA BRAGA

Myrcia amplifolia, a new species from the coastal forest of southern Bahia, eastern Brazil, is here described and compared with morphologically similar species. Additionally, a morphological plate, distribution map and conservation assessment of the species are presented. We assign the new species to Myrcia sect. Calyptranthes with a reasonable reliability due to the combination: presence of cataphylls, inflorescences sympodially branching at the base and calyptrate flowers. Myrcia amplifolia seems to be closely related to M. carioca, from which it can be distinguished through the leaf blades strongly coriaceous (vs. chartaceous in M. carioca), leaf venation very slightly raised and barely conspicuous abaxially (vs. venation strongly raised and conspicuous abaxially), inflorescences with a shorter main axis (75–110 mm long vs. 130–270 mm long), and shorter first lateral branch (3.3–19 mm long vs. 48–95 mm long), and the calyptra acuminate (vs. rounded or shortly apiculate). It is also similar to M. boanova, differing by the leaf blades significantly larger (31–60 × 10–20 cm vs. 7–13 × 4.1–5 cm in M. boanova) and strongly coriaceous (vs. chartaceous), and the calyptra acuminate (vs. rounded) and smaller (2.3–2.6 × ca. 1.8 mm vs. 3.5–3.7 × 3.5–4 mm).


Phytotaxa ◽  
2016 ◽  
Vol 265 (1) ◽  
pp. 79 ◽  
Author(s):  
MARCO OCTÁVIO DE OLIVEIRA PELLEGRINI

A new species of Tradescantia sect. Austrotradescantia endemic to rocky cliffs in Southern Brazil, is here described as Tradescantia seubertiana. This new species is characterized as being completely glabrous, with a leaf base obtuse to cordate to slightly amplexicaulous, ellipsoid flower buds, by its light-pink to pink petals, and for growing in wet rocky cliffs. The new species is morphologically most similar to T. crassula due to its erect habit, conduplicate to canaliculate, succulent leaves, with inconspicuous secondary veins, non-saccate cincinni bracts, pistil longer than the stamens and hilum longer than ½ the length of the seed. I present a description, an illustration, a distribution map, habitat description, and a conservation assessment for the new species. I also present a comparison and identification key for the species related to T. seubertiana.


PhytoKeys ◽  
2021 ◽  
Vol 187 ◽  
pp. 71-76
Author(s):  
Zhi-Yong Xiao ◽  
Xiao-Chun Li ◽  
Ying Luo ◽  
Chuan-Sheng Zeng ◽  
Bang-Gui Qiu ◽  
...  

Vicia mingyueshanensis, a new species from the Mingyue Mountain Region of western Jiangxi, China, is described and illustrated. It is a perennial climbing liana that always links to riparian woods. A morphological comparison indicated that the new species is closely similar to Vicia taipaica K. T. Fu and Vicia dichroantha Diels; however, it differs from the other two species by several salient characters, such as plant indumentum, stipule shape, corolla colour, bractlet shape and calyx shape. Photographs, a preliminary conservation assessment, table of morphological characters and distribution map comparing this new species to two morphologically-similar species are also provided.


PhytoKeys ◽  
2021 ◽  
Vol 180 ◽  
pp. 73-80
Author(s):  
Romer Narindra Rabarijaona ◽  
Valisoa Louisicaël Rafaralahy ◽  
Charles Rakotovao ◽  
Rindra Manasoa Ranaivoson ◽  
Bing Liu ◽  
...  

Cyphostemma calcarium Rabarij & L.M.Lu, sp. nov., is herein described as a new species found on limestone outcrops in northern Madagascar. Its diagnostic morphological characteristics were compared to the species occurring in the Ankarana Special Reserve. We present detailed descriptions, illustrations, distribution map, and a preliminary conservation assessment of the species. An identification key to all known species of Cyphostemma from the Ankarana Special Reserve is also provided.


Phytotaxa ◽  
2014 ◽  
Vol 162 (4) ◽  
pp. 211 ◽  
Author(s):  
Gustavo Heiden ◽  
Lúcio De Souza Leoni ◽  
Jimi Naoki Nakajima

Baccharis magnifica, a new species endemic to the summits of the Serra do Caparaó along the border between Espírito Santo and Minas Gerais, southeastern Brazil, is described. The new species is easily recognized by its shrubby habit, showy green and slightly wine-tinged, long-petiolate leaves with ciliate margins and corymbiform capitulescences. It is morphologically most similar to the allopatric B. macrophylla, which inhabits the mountain summits of the southerly Serra da Mantiqueira range. Illustrations, a distribution map, habitat information, and a conservation assessment are also provided for the new species.


Phytotaxa ◽  
2020 ◽  
Vol 435 (1) ◽  
pp. 50-56
Author(s):  
JOSÉ FLORENCIO CERQUEIRA OLIVEIRA ◽  
LUCIANO PAGANUCCI DE QUEIROZ

We describe and illustrate here a new species of Rinorea from the Brazilian states of Bahia and Espírito Santo, under the name Rinorea gemmulata. The new species occurs in the understory of seasonally dry riparian and semi-deciduous forests. The new species could be diagnosed by the combination of opposite leaves, free stamens, velutinous connective and for the unique presence of perulate buds. We provide a distribution map, a preliminary IUCN conservation assessment, and illustrations, as well as morphological comparison with the sympatric R. ramiziana and the putatively related R. vaupesana and R. villosiflora.


Phytotaxa ◽  
2019 ◽  
Vol 395 (3) ◽  
pp. 241 ◽  
Author(s):  
LI-XIA ZHANG ◽  
HONG-BO DING ◽  
HAI-TAO LI ◽  
ZHONG-LIAN ZHANG ◽  
YUN-HONG TAN

Curcuma tongii, a new species of Curcuma subg. Ecomatae (Zingiberaceae) from southern Yunnan, China, is described and illustrated here. The similarities and differences from its closest allied species in the subg. Ecomatae, C. singularis and C. flaviflora, C. newmanii, are discussed. The conservation assessment and distribution map are also provided.


Phytotaxa ◽  
2018 ◽  
Vol 381 (1) ◽  
pp. 100
Author(s):  
WEN-HONG CHEN ◽  
DAI-KE TIAN ◽  
SIRILAK RADBOUCHOOM ◽  
YAN XIAO ◽  
YI-YAN CONG ◽  
...  

During the review progress of a manuscript describing a new species from Xizang (Tibet), we found that, close to acceptance of our manuscript, the same species had just been published as Begonia medogensis. For better understanding this species, we supplemented the description of this species with further illustrations, additional specimens, updated distribution map, further comparison with similar species and a conservation assessment (NT).


Phytotaxa ◽  
2019 ◽  
Vol 420 (3) ◽  
pp. 249-254
Author(s):  
PEDRO HENRIQUE CARDOSO ◽  
LUIZ MENINI NETO ◽  
FÁTIMA REGINA GONÇALVES SALIMENA

Lippia mantiqueirae, a new Verbenaceae species endemic to the campos de altitude of Serra da Mantiqueira in Minas Gerais state, Brazil, is described and illustrated. It is morphologically most similar to Lippia triplinervis, but can be distinguished by presenting petiolate leaves, ovate, oval-elliptic or obovate blades with cuneate base, 3-6 pairs of suprabasal secondary veins and unequal bracts, the external oblong-elliptical and the internal lanceolate. Additionally, distribution map, habitat information, field photographs and conservation assessment are provided for the new species.


Phytotaxa ◽  
2018 ◽  
Vol 379 (1) ◽  
pp. 49
Author(s):  
NGỌC-ÐÀI ÐỖ ◽  
NGỌC-SÂM LÝ ◽  
THỊ-HƯƠNG LÊ ◽  
TRƯƠNG BÁ VƯƠNG

A new species of Dasymaschalon (Annonaceae), D. bachmaensis, from Bạch Mã NP, Thừa Thiên-Huế Province from North Central Coast region, Vietnam, is described and illustrated here. It shares several characteristics with D. glaucum, D. sootepense and D. wallichii (the leaves are glaucous, the petals are somewhat ovate and spirally twisted when mature, the stamen connectives are truncate and glabrous, the ovaries are hairy, and the stigmas are glabrous) but differs from them in having an obtuse leaf base, larger triangular-ovate sepals that are hairy on both surfaces, pale greenish-yellow petals, fewer stamens, smaller fruits that are not constricted between seeds, and smaller subglobose seeds. Details on distribution, ecology, phenology preliminary conservation assessment of D. bachmaensis, a key to Dasymaschalon species in Vietnam and a distribution map are provided.


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