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This is an open access international journal site. Welcome to visit our main website and submission site https://taiwania.ntu.edu.tw/index.php

Taiwania is an open acess and peer-reviewed journal issued quarterly with one volume per year. Taiwania publishes scientific papers on all aspects related to biodiversity, including taxonomy, phylogeny, morphology, genetics, ecology, floristics, and evolutionary biology, at all levels of organization from molecular, organismal, to ecosystems.

23/09/2025

𝙕𝙮𝙜𝙤𝙥𝙝𝙮𝙡𝙡𝙪𝙢 𝙢𝙪𝙡𝙩𝙞𝙛𝙤𝙡𝙞𝙤𝙡𝙖𝙩𝙪𝙢 (Zygophyllaceae), a new species from Gansu, China
Zengfu Bai, Zhihua Zhang, Xiang Zhao, Xuelin Chen, Ji Zhang
Published on: 23 September 2025
Page: 653 - 657
DOI: 10.6165/tai.2025.70.653
https://taiwania.ntu.edu.tw/abstract/2123

Taiwania 2025 vol.70 no.4: pp.653-657

Abstract
A new species, #𝙕𝙮𝙜𝙤𝙥𝙝𝙮𝙡𝙡𝙪𝙢 𝙢𝙪𝙡𝙩𝙞𝙛𝙤𝙡𝙞𝙤𝙡𝙖𝙩𝙪𝙢 Z.F.Bai & Xue L.Chen ( ), from Gansu Province, China, is described based on its morphological characteristics. This species is similar to 𝘡. 𝘮𝘶𝘤𝘳𝘰𝘯𝘢𝘵𝘶𝘮, 𝘡. 𝘭𝘰𝘤𝘻𝘺𝘪 and 𝘡. 𝘫𝘢𝘹𝘢𝘳𝘵𝘪𝘤𝘶𝘮, however, it can be reliably distinguished by the following diagnostic characters: life form, number of leaflets, flower coloration, as well as capsule morphology including shape and length. A detailed taxonomic description, diagnostic characters against closely related species, colour photoplate, and distribution map are provided. Morphological evidence indicates that 𝙕. 𝙢𝙪𝙡𝙩𝙞𝙛𝙤𝙡𝙞𝙤𝙡𝙖𝙩𝙪𝙢 is an independent species.

, morphology, new species, taxonomy, , #𝘡𝘺𝘨𝘰𝘱𝘩𝘺𝘭𝘭𝘶𝘮 𝘫𝘢𝘹𝘢𝘳𝘵𝘪𝘤𝘶𝘮, #𝘡𝘺𝘨𝘰𝘱𝘩𝘺𝘭𝘭𝘶𝘮 𝘭𝘰𝘤𝘻𝘺𝘪

15/09/2025

A new species of 𝘎𝘺𝘳𝘰𝘥𝘰𝘯 (Paxillaceae, Basidiomycota) from India
Sudeshna Datta, Kanad Das, Alfredo Vizzini
Published on: 15 September 2025
Page: 646 - 652
DOI: 10.6165/tai.2025.70.646
https://taiwania.ntu.edu.tw/abstract/2122

Taiwania 2025 vol.70 no.4: pp.646-652

Abstract
Boletoid are one of the dominant ectomycorrhizal fungi in temperate to subalpine forests of Indian . During our routine macrofungal survey to Himalayan forests of we came across a number of boletoid mushrooms. The present paper deals with a new bolete species: 𝘎𝘺𝘳𝘰𝘥𝘰𝘯 𝘴𝘩𝘢𝘳𝘮𝘢𝘦. It is presented with detailed macro- and micromorphology coupled with illustrations and ITS-based molecular phylogenetic estimation. Comparison with other allied taxa is also given.

, , #𝘎𝘺𝘳𝘰𝘥𝘰𝘯 𝘴𝘩𝘢𝘳𝘮𝘢𝘦, #𝘎𝘺𝘳𝘰𝘥𝘰𝘯 𝘴𝘶𝘵𝘩𝘦𝘱𝘦𝘯𝘴𝘪𝘴, morphology, new species, phylogeny, taxonomy, India

08/09/2025

Primulina longanica sp. nov. (Gesneriaceae) from a limestone area of Guangxi, China
Wen-Qing Ma, Li-Li Shen, Wei-Chuen Chou, Tao-Ran Chen, Fang Wen
Published on: 08 September 2025
Page: 639 - 645
DOI: 10.6165/tai.2025.70.639
https://taiwania.ntu.edu.tw/abstract/2121

Taiwania 2025 vol.70 no.4: pp.639-645

Abstract
F.Wen & W.C.Chou, a new species of endemic to , , is described and illustrated. The new species is morphologically similar to P. yangshuoensis F.Wen & Y.G.Wei, but differs in several key characteristics, including the presence of stolons, indumentum of petiole, peduncle, filament, o***y, and style, bract shape, and corolla length. The species is currently known only from its type locality, in Long’an County, Guangxi, where it grows on limestone cliffs in a subtropical monsoon climate area. Due to its limited distribution and over-collection for ornamental purposes, P. longanica is provisionally assessed as Critically Endangered (CR) according to the IUCN Red List Categories and Criteria.

of Guangxi, New taxon, , Taxonomy

05/09/2025

Afrohybanthus trigonus (Violaceae: Malphigiales): new species from Tamil Nadu, India
Arumugam Mohanraj, Raju Ramasubbu, Surendran Anjana, Karuppasamy Kalaiselvan
Published on: 05 September 2025
Page: 635 - 638
DOI: 10.6165/tai.2025.70.635
https://taiwania.ntu.edu.tw/abstract/2120

Taiwania 2025 vol.70 no.4: pp.635-638

Abstract
, a new species described and illustrated from the dryland area of Dindigul district, . This species resembles Afrohybanthus enneaspermus (L.) Flicker and Afrohybanthus indicus S.K.Kamble & B.J.Patil in having an unbranched, prominent, trigonus and glabrous stem, serrulate leaf margin, sepals with hairy, greenish-red midvein, globose-hirsute o***y and ellipsoidal seeds. The detailed description, along with diagnostic characters distinguishing closely allied species, conservation status, and colour photographs, is provided.

, , , , Taxonomy,

04/09/2025

Goniothalamus obovatus (Annonaceae), a new species from southern Thailand
Anissara Damthongdee, Pimjan Narintarangkul Na Ayutthaya, Kithisak Chanthamrong, Setthikij Ruangritthidech, Chattida Wiya, Tanawat Chaowasku
Published on: 04 September 2025
Page: 631 - 634

DOI: 10.6165/tai.2025.70.631
https://taiwania.ntu.edu.tw/abstract/2119

Taiwania 2025 vol.70 no.4: pp.631-634

Abstract
Chaowasku & Damth., a new species of from southern is described and illustrated. It is morphologically most similar to G. banii endemic to Vietnam, but can be distinguished from it by possessing terete (vs ± angular) branches, a subcordate to cordate (vs rounded) leaf base, shorter inner petals, an inner petal apex that is ± acute (vs long-acuminate), a lower ratio of inner petal to outer petal length, fewer stamens per flower, a staminal connective apex that is ± apiculate (vs rounded), fewer carpels per flower and densely hairy (vs glabrous) ovaries. The conservation status of the new species is provisionally assessed as Data Deficient.

, , , new species, , taxonomy, Thailand

03/09/2025

Begonia wumingensis, a new species of Begonia (sect. Coelocentrum) with long rhizomes from Central Guangxi of China
Shikai Guan, Daike Tian, Jinye Zhou, Zhanwen Huang, Haixia Yan, Dayan Tao, Qian Song, Jiashi Lu
Published on: 03 September 2025
Page: 626 - 630
DOI: 10.6165/tai.2025.70.626
https://taiwania.ntu.edu.tw/abstract/2118

Taiwania 2025 vol.70 no.4: pp.626-630

Abstract
is a new species of Begonia section discovered in the broad-leaved forest of the karst mountainous area in central of . It has extremely long creeping rhizomes, and is similar to B. longiornithophylla in morphology, but the main differences lie in its rhizome internodes and petioles usually subglabrous when mature, stipules glabrous and without dorsal ridge, leaves flat and subglabrous, flowers lacking glandular hairs, longer abaxial wings of the fruits, and early flowering time. Based on its small population, narrow distribution range, and continuing decrease in population size due to human’s disturbances, it is assessed as Critically Endangered according to Guidelines for Using IUCN Red List Categories and Criteria.

, , sect. Coelocentrum, landform, long rhizome, new taxon

02/09/2025

Begonia kuofangii, a new species of Begonia sect. Coelocentrum (Begoniaceae) from karst area of southwestern Guangxi, China
Wen-Guang Wang, Sen Yang, Ren-Kun Li, Hou-Cheng Xi, Jian-Yong Shen, Wei-Bin Xu
Published on: 02 September 2025
Page: 622 - 625
DOI: 10.6165/tai.2025.70.622
https://taiwania.ntu.edu.tw/abstract/2117
Taiwania 2025 vol.70 no.4: pp.622-625

Abstract
, from Leiping Town, Daxin County is a new species endemic to the Zhuang Autonomous Region, . This is the latest addition to Begonia section . It resembles Begonia subcoriacea C.-I Peng, Yan Liu, S. M. Ku but differs in leaf shape (ovate-oblong vs widely ovate or suborbicular), peduncle and pedicels indumentum (subglabrous vs glandulose-pilose with reddish trichomes), pistillate flower tepals (2(-3) vs 3). Only about 100 mature individuals were found in less than 5 km2 area, hence Begonia kuofangii is provisionally assessed as Critically Endangered (CR).

#國芳秋海棠

21/08/2025

The palynological study of some Hypericum taxa and its systematic significance
Murat Kürşat, Birol Başer, Fahrettin Özbey, Irfan Emre
Published on: 21 August 2025
Page: 606 - 621
DOI: 10.6165/tai.2025.70.606
https://taiwania.ntu.edu.tw/abstract/2116

Taiwania 2025 vol.70 no.4: pp.606-621

Abstract
To expose their characteristics and assess their systematic relevance, the of 30 taxa belonging to the genus (21 species, four subspecies, and five varieties), of which five are endemic, were examined using light and scanning electron microscopy. The studied Hypericum taxa pollen grains were monads; isopolar or heteropolar; small to medium size; oblate-spheroidal, prolate-spheroidal, subprolate, spheroidal, and prolate in shape. It was shown that over 20% of the pollen observed (i.e., 13 taxa) was irregular (syncolp(or)ate, pantocolp(or)ate) in terms of aperture number and configuration. The remaining 17 taxa had only 3-colp(or)ate grains typical of the genus. The analyzed taxa were grouped into four categories based on exine sculpturing: microreticulate, microreticulate-perforate, reticulate, and reticulate-perforate. Moreover, four distinct taxonomic groupings were shown due to the UPGMA cluster analysis made to evaluate the morphological characteristics of the studied taxa's pollen. Additionally, due to a PCA ordination, pollen diameter, colpus length, and mesocolpia played significant roles in the ordination and confirmed the patterns found in the cluster analysis. The findings presented here contribute to the palynomorphological information on the genus Hypericum, which is crucial for taxonomy. Furthermore, pollen morphology, particularly aperture types, has proven to be a helpful diagnostic trait in the Hypericum genus.

, Hypericum, morphology, ,

14/08/2025

Leptopus longipedicellatus, a new species of Leptopus (Phyllanthaceae) from Guangxi Province, China
Wen-Bin Xu, Shou-Jun Zhang, Hua-Fei Cen, Jun He, Gang Yao
Published on: 14 August 2025
Page: 599 - 605
DOI: 10.6165/tai.2025.70.599
https://taiwania.ntu.edu.tw/abstract/2115
Taiwania 2025 vol.70 no.4: pp.599-605

Abstract
, a new species of from Province, , is described. Results from phylogenetic analyses of the nuclear ribosomal intergeneric transcribed spacer ( ) and plastid marker showed that the new species has a close relationship with L. fangdingianus, L. malipoensis and L. pachyphyllus, and it might be the sister of L. pachyphyllus, another endemic species to Guangxi Province. Morphologically, the new species could be distinguished from all other species of Leptopus by its long pedicels of female flowers and fruits, which are 3.0‒4.5 cm in length. Additionally, the new species further differs from L. pachyphyllus by its narrower sepals of male flowers (1.2‒1.5 mm wide vs. 2.5‒3.0 mm wide) that are yellow-white to slightly green in color (vs. reddish), petals of male flowers subequal to the sepals in length (vs. about 1/2 to the sepals in length), filaments of stamens 3.0‒4.0 mm long (vs. ca. 1.6 mm long), smaller sepals of female flowers (3.0‒4.0 × 1.1‒1.6 mm vs. 5‒6 mm × ca. 4.0 mm), disc in female flowers shallowly bilobed for ca. 1/5 of length (vs. deeply bilobed for 1/3‒1/2 of length).

environment, , , , , Taxonomy

08/08/2025

Begonia jurgenneae (Begoniaceae, section Petermannia), a new endemic species from Panay Island, Philippines
Harold O. Buenvenida, Mark Arcebal K. Naive, Lillian Jennifer V. Rodriguez
Published on: 08 August 2025
Page: 595 - 598
DOI: 10.6165/tai.2025.70.595
https://taiwania.ntu.edu.tw/abstract/2114

Taiwania 2025 vol.70 no.4: pp.595-598

Abstract
We describe and illustrate , a newly discovered species from Capiz and Iloilo Provinces, Island, . A complete taxonomic treatment is here provided including a comprehensive morphological description, diagnostic comparisons with allied taxa, a phenological data, a distribution map, color images, and a preliminary conservation assessment.

, , Biodiversity, endangered, species discovery, tropical forest, Western

07/08/2025

Begonia mabuhayensis (section Baryandra, Begoniaceae), a new species from Surigao del Sur,
Freddie A. Blasco, Grecebio Jonathan D. Alejandro, Rosario R. Rubite
Published on: 07 August 2025
Page: 591 - 594
DOI: 10.6165/tai.2025.70.591
https://taiwania.ntu.edu.tw/abstract/2113

Taiwania 2025 vol.70 no.4: pp.591-594

Abstract
is described as a new species endemic to the Philippines from the multi-layered rocky floors of Mount , , Tandag, Surigao del Sur. B. mabuhayensis closely resembles B. amparoae in having thick rhizomatous stems, stipules with aristate apex, thick and fleshy lamina, curved petioles, 4-tepaled staminate and pistillate flowers, o***y with unequal wings and nodding capsules, but differs in having shorter rhizome, glabrous oblong stipule with longer arista (vs. puberulous, triangular with shorter arista), ovate leaf (vs. broadly ovate), and capsule with orbicular wings and cordate apex (vs. angular and truncate). Following the IUCN criteria, the authors recommend B. mabuhayensis as Data Deficient (DD).

, , , Island, provinces

06/08/2025

Myosotis persica (Boraginaceae), a new species from alpine wetlands of NW Iran
Mahmoud Bidarlord, Bahareh Akbarnejad, Mehrshid Riahi, Ehsan Hoseini, Farrokh Ghahremaninejad
Published on: 06 August 2025
Page: 585 - 590
DOI: 10.6165/tai.2025.70.585
https://taiwania.ntu.edu.tw/abstract/2112
Taiwania 2025 vol.70 no.4: pp.585-590

Abstract
A new species, , is described and illustrated from the alpine wetlands of the Mountains in northwestern , a transitional zone between the -Turanian and -Siberian floristic regions. Morphological distinctiveness and phylogenetic analysis based on nuclear ribosomal sequences support its recognition as a species new to science. Morphological comparisons indicate that M. persica is closely allied to M. koelzii, M. ramosissima, and M. diminuta but can be distinguished by its dwarf habit, branched filiform stems, patent to erect leaf hairs, deeply lobed calyx, and nutlet morphology. Phylogenetic reconstruction confirms its placement within Myosotis subgen. Myosotis, forming a supported clade with M. koelzii and M. ramosissima. With an estimated extent of occurrence less than 10 km² and a total population size under 1500 individuals, the species is assessed as Critically Endangered (CR) under IUCN criteria. The findings underscore the importance of conserving alpine wetland habitats and provide new insights into species diversification within the genus Myosotis in south-western Asia.

wetland, , forget-me-nots, Irano-Turanian region, taxonomy, Talesh Mountains

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