Lagenandra wayambae (Araceae), a new endemic species from a freshwater swamp forest of Sri Lanka

Phytotaxa ◽  
2021 ◽  
Vol 489 (2) ◽  
pp. 216-222
Author(s):  
INDRAKHEELA MADOLA ◽  
KAPILA YAKANDAWALA ◽  
DEEPTHI YAKANDAWALA ◽  
SENANI KARUNARATNE
Keyword(s):  
New Species ◽  
Sri Lanka ◽  
Endemic Species ◽  
Conservation Status ◽  
Critically Endangered ◽  
Sri Lankan ◽  
Swamp Forest ◽  
Taxonomic Key ◽  
Freshwater Swamp ◽  
A New Species

A new species of Lagenandra (Araceae), is described and illustrated from Walauwewaththa Wathurana freshwater swamp forest, Bulathsinghala, Sri Lanka. Here we describe the new species as Lagenandra wayambae Madola, K. Yakandawala, D. Yakandawala and Karunaratne and provide a detailed description, drawing and colour photographs. We compare the morphology of L. wayambae with that of similar members of Lagenandra and conduct an assessment of its conservation status. A taxonomic key to the Sri Lankan Lagenandra is presented for easy identification. Recognizing a new endemic member enhances the number of Sri Lankan species to nine. According to the IUCN red data category guidelines L. wayambae qualifies for Critically Endangered category under Criterion B1ab (ii,iii,v) + B2ab (ii,iii,v).

Two new species of Lagenandra (Araceae) from the Wet Zone of Sri Lanka

Phytotaxa ◽  
2021 ◽  
Vol 522 (3) ◽  
pp. 187-199
Author(s):  
INDRAKHEELA MADOLA ◽  
DEEPTHI YAKANDAWALA ◽  
KAPILA YAKANDAWALA ◽  
SENANI KARUNARATNE
Keyword(s):  
New Species ◽  
Sri Lanka ◽  
The Other ◽  
Critically Endangered ◽  
Sri Lankan ◽  
Taxonomic Key ◽  
The World ◽  
Two New Species ◽  
Conservation Assessments ◽  
Wet Zone

Taxonomic revisions are the most reliable pathway in unfolding new species to the world. During such a revision of the genus Lagenandra in Sri Lankan, we came across two new species: Lagenandra kalugalensis and Lagenandra srilankensis from the Wet Zone of Sri Lanka. The two new species were studied in detail and compared with the morphology of the other species described in the genus, and based on field collected data conservation assessments were performed. A detailed description for the two new species and an updated taxonomic key to the Sri Lankan Lagenandra is presented here for easy identification. Recognizing two new endemic members enhances the number of Sri Lankan species of Lagenandra to eleven and global to nineteen. According to the IUCN red data category guidelines, L. kalugalensis qualifies for Critically Endangered category under Criterion B1ab (ii,iii,v) + B2ab (ii,iii,v) while L. srilankensis qualifies for Critically Endangered category under B1ab (iii, iv) + C2 (a) (i, ii). Hence, immediate conservation measures are imperative.

Begonia medeiroii (Begoniaceae), a new species endemic to Santa Catarina, southern Brazil

Phytotaxa ◽  
2019 ◽  
Vol 423 (2) ◽  
pp. 105-110
Author(s):  
LUÍS ADRIANO FUNEZ ◽  
JULIO CESAR JARAMILLO ◽  
ELISANDRO RICARDO DRECHSLER-SANTOS
Keyword(s):  
New Species ◽  
Endemic Species ◽  
Conservation Status ◽  
Critically Endangered ◽  
Southern Brazil ◽  
Santa Catarina ◽  
Adaxial Surface ◽  
Narrow Endemic ◽  
A New Species ◽  
Iucn Criteria

We describe here Begonia medeiroii, a narrow endemic species from the Atlantic Rainforest. The conservation status of this species was assessed as critically endangered according to IUCN criteria. This species resembles to B. catharinensis and B. hirtella in some characteristics, differing among other features due the presence of adventitious vegetative buds on the adaxial surface of the leaves.

scholarly journals Notes on Acer laurinum (Sapindaceae) in freshwater swamp forest in Singapore

2020 ◽  
Vol 72 (2) ◽  
pp. 165-172
Author(s):  
P.J. Chan ◽  
Y.Y. Ting ◽  
N.E. Rahman ◽  
R. Chong ◽  
W.N. Lam ◽  
...  
Keyword(s):  
New Species ◽  
Nature Reserve ◽  
Conservation Status ◽  
Swamp Forest ◽  
Freshwater Swamp ◽  
A New Species

Acer laurinum Hassk. was recently recorded as both a new species and genus for Singapore from the Nee Soon swamp forest in the Central Catchment Nature Reserve, but little is known about its biology and ecology. Here, the species is described and notes on its distribution, ecology and proposed conservation status in Singapore are given.

Elatostema rigidiusculum (Urticaceae), a new species endemic to Sri Lanka

Phytotaxa ◽  
2019 ◽  
Vol 404 (2) ◽  
pp. 85
Author(s):  
RANIL RAJAPAKSHA ◽  
NADEEKA GUNAWARDENA ◽  
UPUL GARASIN ◽  
GAMINI PUSHPAKUMARA ◽  
TILAK PREMAKANTHA ◽  
...  
Keyword(s):  
New Species ◽  
Sri Lanka ◽  
Conservation Status ◽  
Critically Endangered ◽  
Diagnostic Features ◽  
Forest Reserve ◽  
A New Species

Elatostema monandrum var. rigidiusculum, confined to the Bambarabotuwa Forest Reserve in Sabaragamuwa province of Sri Lanka, is reclassified to the rank of species as E. rigidiusculum. We compare it to the morphologically most similar, E. monandrum. The main diagnostic features of E. rigidiusculum are obovate leaves 0.3–1.5 cm long whose laminae are apically crenate, and the presence of sessile receptaculate involucrate inflorescences in both sexes. The proposed IUCN conservation status of E. rigidiusculum is Critically Endangered (CR).

Silene lulakabadensis (Caryophyllaceae), a New Species from Iran

2020 ◽  
Vol 28 (1) ◽  
pp. 24-28
Author(s):  
Mahnaz Heidari Rikan ◽  
Farrokh Ghahremaninejad ◽  
Mostafa Assadi
Keyword(s):  
New Species ◽  
Conservation Status ◽  
Green Plant ◽  
Critically Endangered ◽  
Rare Plant ◽  
Soil Slopes ◽  
Dark Green ◽  
A New Species

Silene lulakabadensis Heidari, F. Ghahrem. & Assadi is described as a new species from Zanjan Province, Iran. The new species is a dark green plant, perennial and woody at the base, that was collected on marl soil slopes at 2100 m. It is believed to be closely related to S. eriocalycina Boiss. from section Auriculatae (Boiss.) Schischk. but is a smaller plant, with much shorter internodes, and pinkish-white retuse to emarginate petals with very small or no scales. It is a very rare plant and its conservation status is assessed as Critically Endangered.

Beaucarnea olsonii (Ruscaceae), a new species of ponytail palm from southwestern Puebla, Mexico

Phytotaxa ◽  
2016 ◽  
Vol 286 (1) ◽  
pp. 13
Author(s):  
VANESSA ROJAS-PIÑA ◽  
LEONARDO O. ALVARADO-CÁRDENAS
Keyword(s):  
New Species ◽  
Endemic Species ◽  
Conservation Status ◽  
Deciduous Forests ◽  
Central Mexico ◽  
Distribution Map ◽  
Southern Central ◽  
Tropical Deciduous Forests ◽  
A New Species

Beaucarnea olsonii is described and illustrated from tropical deciduous forests of SW Puebla, Mexico. The new species can be distinguished from other Beaucarnea species by its massively swollen base that abruptly tapers into slender branches, by its conspicuously long stigma, and by its pedicel articulation that occurs at 2/3 of the length of the pedicel below the flower. With this new addition, the total number of endemic species of Beaucarnea for Mexico increases to 10, making this country the greatest center of diversification and endemism for the genus. We also provide a distribution map and a conservation status recommendation for the new species, as well as a key to the Beaucarnea species of southern central Mexico.

Fritillaria arsusiana (Lilieae, Liliaceae), a new species from southern Anatolia

Phytotaxa ◽  
2021 ◽  
Vol 502 (2) ◽  
pp. 149-159
Author(s):  
HASAN YILDIRIM ◽  
MEHTAP TEKŞEN
Keyword(s):  
New Species ◽  
Geographical Distribution ◽  
Related Species ◽  
Conservation Status ◽  
Flower Colour ◽  
Identification Key ◽  
Critically Endangered ◽  
Diagnostic Characters ◽  
A New Species ◽  
Shape And Size

In this study, Fritillaria arsusiana (Liliaceae) is described and illustrated as a new species from Hatay province in southern Anatolia, Turkey. It is related to F. amana and F. hermonis by habitus features and broadly campanulate flowers, but differs mainly by its bulb shape and size, smaller leaf and flower features, and flower colour. It has also been morphologically compared with F. wendelboi, F. pinardii, and F. latakiensis. The detailed description, diagnostic characters, original photographs, geographical distribution, habitat and phenology, etymology, conservation status, and identification key of the new and the related species are presented in this study. IUCN conservation status of F. arsusiana is suggested as Critically Endangered (CR).

A new species of Impatiens (Balsaminaceae) from Southwestern Thailand

Phytotaxa ◽  
2014 ◽  
Vol 174 (4) ◽  
pp. 237 ◽  
Author(s):  
Saroj Ruchisansakun ◽  
PRAMOTE TRIBOUN ◽  
THAYA JENJITTIKUL
Keyword(s):  
New Species ◽  
Conservation Status ◽  
Critically Endangered ◽  
Pale Pink ◽  
A New Species

Impatiens suksathanii Ruchis. & Triboun, a new species from a limestone area in Kanchanaburi Province in Southwestern Thailand, is described and illustrated. This endemic new species is clearly distinguished from the most similar I. namkatensis T.Shimizu by having sessile to very short petioles, linear, narrowly lanceolate to narrowly oblanceolate laminas, and pale pink flowers. Its conservation status is also assessed as Critically Endangered.

scholarly journals A new species of Cochemiea (Cactaceae, Cacteae) from Sinaloa, Mexico

2020 ◽  
Author(s):  
Leccinum Jesús García Morales ◽  
Rodrigo Homero González González ◽  
Jesús García Jiménez ◽  
Duilio Iamonico
Keyword(s):  
New Species ◽  
Conservation Status ◽  
Relevant Literature ◽  
Small Population ◽  
Critically Endangered ◽  
Herbarium Specimens ◽  
The North ◽  
Hummingbird Pollination ◽  
Diagnostic Key ◽  
A New Species

Background and Aims: Cochemiea is a genus which currently comprises five species occurring in Mexico. It is morphologically characterized by cylindrical decumbent to prostrate stems and by a long red-scarlet zygomorphic perianth, presumably specialized for hummingbird pollination. As part ofthe ongoing taxonomic studies on the North Mexican flora, a population discovered by Thomas Linzen in 2012 in central Sinaloa (Mexico), previously identified as Mammillaria sp., actually refers to a Cochemiea species and cannot be ascribed to any of the known species of that genus. As a consequence,we here propose to describe this population as a a new species for science.Methods: The work is based on field surveys (autumn 2018 and spring 2019) in central Sinaloa, examination of herbarium specimens, and analysis of relevant literature. Its conservation status was assessed following the guidelines of the IUCN; AOO and EOO were calculated with the programGeoCAT.Key results: Cochemiea thomasii is described and illustrated from Sinaloa. The new species is morphologically similar to C. halei from which it differs by the hanging stems, the larger conical tubercles, less numerous and shorter central spines, and the ovoid fruits. A diagnostic key of the knownCochemiea species is included.Conclusions: Cochemiea thomasii is endemic to the state of Sinaloa where it occupies a small area. On the basis of the criteria B2a (geographic range) and C (small population) of IUCN, the new species can be assessed as Critically Endangered (CR) or Vulnerable (VU). Adopting the precautionary approach, Cochemiea thomasii is considered as Critically Endangered (CR).

Dendrobium moiorum (Orchidaceae: Epidendroideae), a new species of Dendrobium section Diplocaulobium from West Papua, Indonesia

Phytotaxa ◽  
2020 ◽  
Vol 430 (2) ◽  
pp. 142-146
Author(s):  
REZA SAPUTRA ◽  
MARK ARCEBAL K. NAIVE ◽  
JIMMY FRANS WANMA ◽  
ANDRÉ SCHUITEMAN
Keyword(s):  
New Species ◽  
Endemic Species ◽  
Conservation Status ◽  
West Papua ◽  
A New Species

Dendrobium moiorum Saputra, Schuit., Wanma & Naive (Orchidaceae; Epidendroideae; Dendrobieae), a new endemic species from West Papua, Indonesia, is described and illustrated. The new species resembles Dendrobium isthmiferum and the diagnostic differences are discussed. Information on distribution, ecology, phenology and conservation status are provided.

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