scholarly journals Seven new species and seven new records of Begonia L. (Begoniaceae) in the flora of Laos

Turczaninowia ◽  
2021 ◽  
Vol 24 (2) ◽  
pp. 99-119
Author(s):  
Keooudone Souvannakhoummane ◽  
Soulivanh Lanorsavanh ◽  
Leonid V. Averyanov
Keyword(s):  
New Species ◽  
Protected Area ◽  
Leaf Surface ◽  
Lao Pdr ◽  
Pistillate Flower ◽  
Botanical Garden ◽  
Tropical Zone ◽  
Line Drawings ◽  
Karst Forest ◽  
Ne India

New species of Begonia L. in the flora of Laos presented in this paper were mainly found in the course of botanical surveys made in Hin Nam No National Protected Area, Nam Phouy National Protected Area, Khammouane Karst Forest, and Phou Khao Khouay National Protected Area.Additionally, herbaria presently available in Laos (HNL, FOF, NUoL, FRC), living plants, and alcohol preserved material at Pha Tad Ke Botanical Garden and the data accessible online at BM, E, K, LE, NY, P, and PE Herbaria were critically studied. The study conducted during 2012–2019 reveals seven new species for science and seven species newly recorded for the flora of Lao PDR. Species described as new for science are: B. glabritepala (found in Khammouane Province; it is most close to B. pierrei but differs in glabrous outer tepals of staminate flowers, pistillate flowers, capsules, petioles, peduncles and pedicles), B. heterocantha (found in Sainyabuli Province; most close to B. depingiana but differs in reddish purple, glandular pubescent abaxial leaf surface, glandular pubescent pedicel, and outer tepals of pistillate flowers sparsely white glandular pubescent), B. lanxangensis (found in Vientiane Province; most close to B. paleacea but differs in elongate tubers, ovate-lanceolate, obscurely asymmetrical to symmetrical leaves, and glabrous pedicels), B. parviglandulosa (found in Vientiane Province; most close to B. martabanica but differs in smaller habit, reniform-cordate leaves and glandular indumentum on peduncle, pedicle and capsules), B. pseudobrandisiana (found in Khammouane Province; most close to B. brandisiana but differs in pistillate flowers with five elliptic-oblanceolate tepals), B. tripartifolia (found in Khammouane Province; most close to B. tricuspidata but differs in leaves palmate triangular-ovate, with deeply lobed lacerate margin, pistillate flower of five tepals, and ovary with unequal wing), and B. viriditenebris (found in Khammouane Province; most close to B. sinuata but differs in single leaf, indumentum of bristle hairs and reddish or bronzy green adaxial leaf surface, and three styles). The following species discovered and recorded for the flora of Laos at first are: B. hatacoa (known in Nepal, Bhutan, NE India, Myanmar, Thailand, and Vietnam), B. hemsleyana (China, Vietnam), B. labordei (NE India, Myanmar, S China, Vietnam), B. longifolia (tropical zone from NE India to Indonesia), B. minuscula (Vietnam), B. parvula (S China), and B. subperfoliata (Myanmar, Thailand, S Vietnam). Descriptions and line drawings are provided for all newly described species. Photographic illustrations, data on phenology, habitat, and notes on morphological variations and relations are given for all studied species.

Studies on the genus Capparis L. (Capparaceae) in Lao PDR. III: A new species from the deciduous forest of the Hin Nam No National Protected Area

Webbia ◽  
2018 ◽  
Vol 73 (2) ◽  
pp. 175-177 ◽  
Author(s):  
Keooudone Souvannakhoummane ◽  
Silvio Fici ◽  
Soulivanh Lanorsavanh ◽  
Vichith Lamxay
Keyword(s):  
New Species ◽  
Protected Area ◽  
Deciduous Forest ◽  
Lao Pdr ◽  
A New Species

Didymoplexiella laosensis (Orchidaceae: Epidendroideae: Gastrodieae), a new holomycotrophic orchid from Lao PDR

Phytotaxa ◽  
2020 ◽  
Vol 430 (1) ◽  
pp. 1-8
Author(s):  
PANKAJ KUMAR ◽  
SOMSANITH BOUAMANIVONG ◽  
GUNTER A. FISCHER ◽  
STEPHAN W. GALE
Keyword(s):  
New Species ◽  
Lao Pdr ◽  
Conservation Assessment ◽  
Mining Company ◽  
Cement Production ◽  
Tropical Asia ◽  
Limestone Habitat ◽  
Line Drawings ◽  
Colour Plate ◽  
A New Species

Didymoplexiella laosensis is described as a new species from the limestone mountains of Vang Vieng District in central Laos. A detailed description, colour plate, line drawings and conservation assessment are provided, together with morphological comparisons with three allied species in tropical Asia, namely, D. ornata, D. siamensis and D. trichechus. With the leasing of its limestone habitat to a mining company for cement production, the threat to D. laosensis is already evident.

scholarly journals Capparis macrantha sp. nov. (Capparaceae, Brassicales), a new shrub species from a deciduous forest of the Nam Kading National Protected Area (central Lao PDR)

2020 ◽  
Author(s):  
Keooudone Souvannakhoummane ◽  
Silvio Fici ◽  
Soulivanh Lanorsavanh ◽  
Jeong Ho Park ◽  
Ho Sang Kang ◽  
...  
Keyword(s):  
New Species ◽  
Protected Area ◽  
Deciduous Forest ◽  
Conservation Status ◽  
Lao Pdr ◽  
Shrub Species

Capparis macrantha Souvannakhoummane, Fici & Lanorsavanh sp. nov., a new shrub species characterized by erect or ascending habit, stipular thorns, large lanceolate-elliptic leaves and large flowers in supra-axillary rows, is described and illustrated from the deciduous forest in Nam Kading National Protected Area (central Lao PDR). The new species belongs to Capparis sect. Monostichocalyx Radlk. and is morphologically similar to C. radula Gagnep., a shrub widespread in the Indochinese area, differing in the shorter, straight stipular thorns, larger leaves, larger sepals and petals, higher number of stamens with longer filaments and longer gynophore and ovary. Its affinities with related taxa are discussed and a key is provided for the species of Capparis L. known from Lao PDR. The conservation status of the new species is provisionally assessed as Vulnerable (VU D1).

scholarly journals Capparis macrantha sp. nov. (Capparaceae, Brassicales), a new shrub species from a deciduous forest of the Nam Kading National Protected Area (central Lao PDR)

2020 ◽  
Author(s):  
Keooudone Souvannakhoummane ◽  
Silvio Fici ◽  
Soulivanh Lanorsavanh ◽  
Jeong Ho Park ◽  
Ho Sang Kang ◽  
...  
Keyword(s):  
New Species ◽  
Protected Area ◽  
Deciduous Forest ◽  
Conservation Status ◽  
Lao Pdr ◽  
Shrub Species

Capparis macrantha Souvannakhoummane, Fici & Lanorsavanh sp. nov., a new shrub species characterized by erect or ascending habit, stipular thorns, large lanceolate-elliptic leaves and large flowers in supra-axillary rows, is described and illustrated from the deciduous forest in Nam Kading National Protected Area (central Lao PDR). The new species belongs to Capparis sect. Monostichocalyx Radlk. and is morphologically similar to C. radula Gagnep., a shrub widespread in the Indochinese area, differing in the shorter, straight stipular thorns, larger leaves, larger sepals and petals, higher number of stamens with longer filaments and longer gynophore and ovary. Its affinities with related taxa are discussed and a key is provided for the species of Capparis L. known from Lao PDR. The conservation status of the new species is provisionally assessed as Vulnerable (VU D1).

Nine new species of the "aeruginosus"-group in Amynthas (Clitellata: Megascolecidae) from Nam Et-Phouley National protected Area, Laos

Zootaxa ◽  
2018 ◽  
Vol 4496 (1) ◽  
pp. 238 ◽  
Author(s):  
YONG HONG ◽  
KHAMLA INKHAVILAY ◽  
SAMUEL W. JAMES
Keyword(s):  
New Species ◽  
Protected Area ◽  
Lao Pdr ◽  
Lateral Wall ◽  
Primary Male ◽  
Prostatic Ducts

Nine new species of Amynthas (Clitellata: Megascolecidae) from Mt. Phouleoi, Lao PDR: Earthworm specimens were collected on the top of Mt. Phouleoi, Viengthong District, Houaphanh province, Lao PDR. The new species belonged to pheretimoid earthworms. They have spermathecal pores in 7/8 and 8/9, corresponding to the aeruginosus-group as characterized by Sims and Easton (1972). Their names are: Amynthas bouatongi sp. nov., Amynthas hoauykanangensis sp. nov., Amynthas phimpheti sp. nov., Amynthas nametensis sp. nov., Amynthas somechanae sp. nov., Amynthas wiggeri sp. nov., Amynthas fleischmani sp. nov., Amynthas antethecus sp. nov., and Amynthas elenabondae sp. nov. With the exception of A. nametensis sp. nov., all have the first dorsal pore in an unusually anterior location close to 5/6 and very large, often coiled, prostatic ducts. Several species have slight intraparietal invaginations of the primary male pores, but the similarity of other characters leads us to include them in Amynthas rather than in a polyphyletic Metaphire. Amynthas bouatongi sp. nov. has male pores 0.20–0.24 circumference apart on reniform male pads, pair genital papillae medial and lateral to male pores in XVIII. Amynthas hoauykanangensis sp. nov. has openings of copulatory pouches 0.19–0.25 circumference apart, and paired round genital papillae on postsetal XVII and presetal XIX in line with the male pores. Amynthas phimpheti sp. nov. has male pores 0.21–0.24 circumference apart, round thickened genital papillae paired on 17/18 and 18/19 in line with male pores. Amynthas nametensis sp. nov. has male pores superficial on thickened circular pads, 0.24–0.27 circumference apart. Amynthas somechanae sp. nov. has male pores 0.20–0.33 circumference apart, and paired equatorial papillae in XVIII. Amynthas wiggeri sp. nov. has male pores 0.22–0.30 circumference apart, paired genital papillae equatorial on XVIII medial to male pores and paired papillae equatorial in XVII and XIX. Amynthas fleischmani sp. nov. has openings of copulatory pouches 0.24 circumference apart, paired conical genital papillae equatorial on XVII and XIX; paired circular papillae in intersegmental furrows of 17/18 and 18/19. Amynthas antethecus sp. nov. has openings of copulatory pouches 0.31 circumference apart, paired circular papillae in intersegmental furrow of 17/18 and equatorial on XIX, slightly medial to secondary male pores. Amynthas elenabondae sp. nov. has openings of copulatory pouches 0.19 circumference apart, crescent, convex medially; primary male pore on tubercle on lateral wall of shallow parietal invagination. 

Cleisostoma schoenorchaefolium (Orchidaceae: Vandeae: Aeridinae), a new species from Lao PDR

Phytotaxa ◽  
2018 ◽  
Vol 374 (2) ◽  
pp. 155
Author(s):  
PANKAJ KUMAR ◽  
STEPHAN W. GALE ◽  
THATSAPHONE PHAXAYSOMBATH ◽  
GUNTER A. FISCHER
Keyword(s):  
New Species ◽  
Lao Pdr ◽  
Conservation Assessment ◽  
Line Drawings ◽  
Correct Placement ◽  
A New Species

Cleisostoma schoenorchaefolium is described as a new species from limestone karst in Lao PDR. A detailed description with photographs, line drawings and a conservation assessment are presented. Due to the presence of a combination of unique characters (namely, semi-terete leaves with a subulate apex, a two-chambered spur and a complex pollinarium structure), this species cannot be satisfactorily placed in any of the existing sections of the genus. Accordingly, a new section, Teretisculum, is proposed. To aid correct placement of this and other species in their respective sections, a key to infrageneric taxonomy of Cleisostoma is provided.

Studies on the genus Capparis L. (Capparaceae) in Lao PDR. IV: A new species from the Khammouan Province

Phytotaxa ◽  
2020 ◽  
Vol 429 (1) ◽  
pp. 73-79 ◽  
Author(s):  
SILVIO FICI ◽  
KEOOUDONE SOUVANNAKHOUMMANE ◽  
SOULIVANH LANORSAVANH ◽  
VICHITH LAMXAY
Keyword(s):  
New Species ◽  
Protected Area ◽  
Leaf Blade ◽  
Conservation Status ◽  
Lao Pdr ◽  
A New Species ◽  
Forest Habitats

A new species of Capparis, C. florida, is described and illustrated from the Hin Nam No National Protected Area, Khammouan Province in central Lao PDR. The new species, collected in forest habitats of the Khammouan karst, belongs to sect. Monostichocalyx. It is an erect shrub characterized by the widely ovate or elliptical leaf-blade, by the flowers serial in supra-axillary rows, and by the slender ovary with evident style. Its affinities with related taxa, such as the widespread C. micracantha, are discussed and its conservation status assessed.

Turnera fasciculifolia (Turneraceae, Passifloraceae s. l.): A New Species From the Jalapão Region, Tocantins, Brazil

2020 ◽  
Vol 45 (4) ◽  
pp. 833-838
Author(s):  
Lamarck Rocha ◽  
Patrícia Luz Ribeiro ◽  
Maria Mercedes Arbo
Keyword(s):  
New Species ◽  
Protected Area ◽  
Extrafloral Nectaries ◽  
Distribution Map ◽  
Central Brazil ◽  
Axillary Branches ◽  
Revolute Margin ◽  
A New Species

Abstract—We present a new species, Turnera fasciculifolia, from the Jalapão region, the largest continuous protected area of Cerrado in Tocantins State, in central Brazil. The new species belongs to Turnera series Leiocarpae, and it can be recognized by the linear ericoid leaves with revolute margin, generally without extrafloral nectaries, and the basal leaves of the young axillary branches gathered in fascicles. We provide a description, illustrations, a distribution map, and a comparison with T. genistoides and T. revoluta, which also have ericoid leaves.

Gymnomitrion fissum (Gymnomitriaceae, Marchantiophyta) — a new species with fissured leaf surface from China

2017 ◽  
Vol 51 ◽  
pp. 274-280
Author(s):  
A. D. Potemkin ◽  
Yu. S. Mamontov ◽  
N. S. Gamova
Keyword(s):  
New Species ◽  
Cross Sections ◽  
Cell Walls ◽  
Leaf Surface ◽  
Outer Cell ◽  
Sem Images ◽  
Cell Lumen ◽  
A New Species ◽  
Surface Comparison

Study of selected specimens of Gymnomitrion collected by D. G. Long in Yunnan, China, revealed a new species, G. fissum Mamontov et Potemkin, sp. nov., with a fissured leaf surface. Comparison of SEM images of the leaf surface and leaf cross sections shows that the leaf surface of G. fissum is different from that of other known species with a superficially similar leaf surface, i. e. Mylia taylorii, M. verrucosa s. l. and Trabacellula tumidula. It has fissures around the cell lumen rather than grids and perforations. Outer cell walls of Gymnomitrion fissum are much thicker than in Mylia taylorii, M. verrucosa s. l. and Trabacellula tumidula, and their outer layers tend to be partly or completely caducous. G. fissum is related to the group of species assigned to the former genus Apomarsupella.

scholarly journals Six new species of coffee (Coffea) from northern Madagascar

Kew Bulletin ◽  
2021 ◽  
Author(s):  
Aaron P. Davis ◽  
Franck Rakotonasolo
Keyword(s):  
New Species ◽  
Distribution Maps ◽  
Line Drawings ◽  
Conservation Assessments

SummarySix new species of Coffea are described as new to science: Coffea callmanderi, C. darainensis, C. kalobinonensis, C. microdubardii, C. pustulata and C. rupicola. All six species are endemic to northern Madagascar; four species are narrowly endemic to specific forest areas. Associated information, including distribution maps, conservation assessments, phenology and taxonomic notes are provided, and two species are illustrated with line drawings.

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