scholarly journals A new species and a new range extension in Hieracium sect. Cernua (Asteraceae) from Romania

Phytotaxa ◽  
2017 ◽  
Vol 309 (2) ◽  
pp. 173 ◽  
Author(s):  
ZBIGNIEW SZELĄG

Hieracium joannei, a new, apomictic species in H. sect. Cernua is described from the Şureanu Mountains, Southern Carpathians, Romania, and illustrated with photos of the holotype and living plants in the locus classicus. Hieracium zanogae (= H. tubulare), previously considered to be endemic to the Retezat Mountains, has been found in the Parâng Mountains. This is the easternmost occurrence of the species, disjoined ca 50 km from the nearest localities in the Retezat Mountains. A key for the species of H. sect. Cernua in Romania is provided.

Phytotaxa ◽  
2021 ◽  
Vol 490 (1) ◽  
pp. 60-70
Author(s):  
LUÍS A. FUNEZ ◽  
GUSTAVO HASSEMER

A new species of Persicaria, P. humboldtiana, endemic to a narrow area of waterfalls in Corupá, southern Brazil, is described in the present paper. The locus classicus of the new species is well-known for plant endemisms. A complete morphological description, original pictures, a distribution map, and a morphological comparison with the similar Eurasian species P. minor (≡ Polygonum minus) are given. The name Polygonum minus is lecto- and epitypified on, respectively, a Morison’s illustration and a specimen preserved at BM.


Phytotaxa ◽  
2022 ◽  
Vol 531 (1) ◽  
pp. 41-53
Author(s):  
YOU-LIANG XIANG ◽  
ZHI-XIN ZHANG ◽  
SHENG-WEN CHEN ◽  
JIAN-PING YU ◽  
WEN-ZHUAN HUANG ◽  
...  

Riccia is the largest genus of complex thalloid liverworts (Marchantiopsida) with over 250 species currently accepted. Our recent investigation of Chinese liverworts found two interesting Riccia species, R. junghuhniana and Riccia subcrinita sp. nov. Riccia junghuhniana is currently known from Australia and Indonesia, while Riccia subcrinita is known only from China. Riccia subcrinita is similar to R. crinita, but differs in having smaller spores (56–71 µm in diameter), and spore distal surface and proximal surface alveoli without thick borders. The sequences of rbcL, rps4, and trnL-F, detailed descriptions, and illustrations of the Chinese specimens are provided. The range extension of R. junghuhniana suggests that more taxa of Riccia may have a wider distribution. The discovery of R. junghuhniana and the new species also suggests that a more intensive survey of Riccia diversity in China is necessary.


Phytotaxa ◽  
2015 ◽  
Vol 227 (3) ◽  
pp. 282 ◽  
Author(s):  
Andrey Vyacheslavovich Chkalov

A new apomictic species of Alchemilla from several regions of Central Russia is here described as A. tzvelevii. Description and images of the principal morphological features of this species are provided. Alchemilla tzvelevii combines the features of quite distant groups (i.e. A. subsect. Pubescentes and A. subsect. Alchemilla ser. Alchemilla subser. Heptagonae). Its presumed hybridogenous origin is discussed.


Zootaxa ◽  
2011 ◽  
Vol 3085 (1) ◽  
pp. 34 ◽  
Author(s):  
WILLIAM F. SMITH-VANIZ

A new species of jawfish, Opistognathus albicaudatus, is described based on two specimens, 91.4–94.8 mm SL, from the Andaman Islands. The combination of an elongate upper jaw produced as thin flexible lamina, and a unique colour pattern consisting of an abruptly white caudal fin and gill arches with a series of 8–10 small dark spots, each near the base of a gill raker, distinguishes the new species from other congeners. Based on morphological similarity and general color pattern, the new species seems to be most closely related to Opistognathus variabilis.These two species appear to have allopatric distributions. A range extension for O. cyanospilotus is also reported.


Phytotaxa ◽  
2015 ◽  
Vol 218 (2) ◽  
pp. 189 ◽  
Author(s):  
PRABHA SHARMA ◽  
RITA SINGH

Ephedra Linnaeus (1753: 1040) is a genus with approximately 40 species Christenhusz et al. (2011), although the estimates range from 31 Stapf (1889) to ca 50 Price (1996). Sahni (1990) lists eight species for India and adjoining regions, but three additional species (E. kardangensis P.Sharma & P.L.Uniyal in Sharma et al. 2010: 730, E. khurickensis P.Sharma & P.L.Uniyal in Sharma et al. 2010: 731, E. sumlingensis Sharma & Uniyal 2008: 179), have recently been added from the Western Himalayas since (Sharma & Uniyal 2014).


Zootaxa ◽  
2020 ◽  
Vol 4751 (2) ◽  
pp. 256-275
Author(s):  
LAWRENCE L. LOVELL ◽  
KIRK FITZHUGH

Scanning electron (SEM) and light microscope examinations of members of Levinsenia Mesnil, 1897, species from California yielded a new species, new characters, emended name and range extension for L. kirbyorum Lovell, 2002. Specimens of L. gracilis (Tauber, 1879) from Sweden, Iceland, and California were compared and could not be distinguished on the basis of morphology. Two other Californian species, L. multibranchiata (Hartman, 1957) and L. oculata (Hartman, 1957), were also examined. SEM revealed features previously undescribed for the genus. Additional prostomial ciliary bundles, dorsal transverse ciliary branchial connections, notopodial sensory pores, and neurochaetal fascicle configurations. Levinsenia barwicki n.sp. possessing a terminal sensory organ, 4-8 leaf-like ciliate branchiae, and recurved neurochaete with distal hood is described More SEM work is necessary to confirm if these features are present among other members of Levinsenia and other Paraonidae genera. The status of Levinsenia according to the phylogenetic analysis performed by Langeneck et al. (2019, Molecular Phylogenetics and Evolution, 136, 1-13) is discussed. 


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