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Sunday, May 22nd, 2022
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| 6:59a | [Paleontology • 2022] Maomingosuchus acutirostris • A New Species of Maomingosuchus from the Eocene of the Na Duong Basin (northern Vietnam) sheds new light on the Phylogenetic Relationship of Tomistomine Crocodylians and their Dispersal from Europe to A
Abstract Maomingosuchus acutirostris sp. nov. is a new tomistomine crocodile from the middle–upper Eocene deposits (late Bartonian–Priabonian age, 39–35 Ma) of the Na Duong Basin in northern Vietnam. M. acutirostris can be differentiated from the type species Maomingosuchus petrolicus by having an acute anterior tip of the premaxilla. Both species differ from another Maomingosuchus from Krabi (Thailand) by differences in the surangular–dentary suture and maxillary alveoli. According to our phylogenetic results, M. acutirostris seems to be the sister species to the group M. petrolicus + Krabi-Maomingosuchus. The close relationship between those three tomistomines is supported in the present phylogenetic analysis by three synapomorphies. In our phylogenetic analysis, Maomingosuchus was retrieved in a basal position forming the sister group to Paratomistoma + Gavialosuchus + Melitosaurus + Tomistoma, including the extant Tomistoma schlegelii. This phylogeny indicates three different dispersal events of Tomistominae from Europe towards eastern Asia: 1) for the stem lineage of Maomingosuchus, no later than the late Eocene; 2) for the stem lineage of Penghusuchus pani + Toyotamaphimeia machikanensis, no later than the early–middle Miocene; and (3) for the stem lineage of T. schlegelii, during the Neogene. Keywords: Eocene, Crocodylia, Asia, phylogeny, biogeography  Maomingosuchus acutirostris sp. nov. Tobias Massonne, Felix J. Augustin, Andreas T. Matzke, Erich Weber and Madelaine Böhme. 2022. A New Species of Maomingosuchus from the Eocene of the Na Duong Basin (northern Vietnam) sheds new light on the Phylogenetic Relationship of Tomistomine Crocodylians and their Dispersal from Europe to Asia. Journal of Systematic Palaeontology. DOI: 10.1080/14772019.2022.2054372 Previously unknown crocodile species lived in Asia 39 million years ago phys.org/news/2022-05-previously-unknow | ||||||||
| 11:53a | [Botany • 2022] Clematis pseudotubulosa (Ranunculaceae) • A New Species from Korea
Abstract Clematis pseudotubulosa (Ranunculaceae), a new species from Gyeonggi-do in the Republic of Korea, is described and illustrated. The new species is morphologically similar to C. takedana but differs in its leaves, which are always ternate with shallowly lobed leaflets (vs. 1-pinnate with deeply lobed three to five leaflets), and its oblong-shaped flower buds (vs. ovoid), larger flowers (vs. smaller flowers), and pantoporate pollen (vs. tricolpate). A detailed species description, geographical distribution, and an identification key for all species of Clematis that occur in Korea are also provided. Keywords: Clematis, interspecific hybridization, new species, Ranunculaceae
 Clematis pseudotubulosa B. K. Park, sp. nov Vernacular name: Deong-gul-jo-hui-pul (덩굴조희풀) English colloquial name: Creeping hyacinth-flower clematis Distribution: Clematis pseudotubulosa is restricted to the Korean Peninsula (South Korea, including Hwaseong-si and Gwangju-si, Gyeonggi-do) (Fig. 4). Beom Kyun PARK, Jin-Seok KIM, Gyu Young CHUNG, Jung-Hyun KIM, Dong Chan SON and Chang-Gee JANG. 2022. Clematis pseudotubulosa (Ranunculaceae), A New Species from Korea. Korean Journal of Plant Taxonomy. 52(1); 35-44. DOI: 10.11110/kjpt.2022.52.1.35  | ||||||||
| 3:29p | [Botany • 2022] Curcuma sixsensesensis & C. vinhlinhensis (Zingiberaceae, sect. Ecomata) • Two New Taxa from coastal Central Vietnam
Abstract Curcuma sixsensesensis and Curcuma vinhlinhensis, two new species belonging to subgenus Ecomata from Coastal Central Vietnam, are described and illustrated in the present articles. The C. sixsensesensis easily gets confused with C. newmanii Škorni?k. in compact rhizome; short lateral inflorescence composing of a few bracts; white corolla lobes and lateral staminodes; white labellum with a yellow mid-rid band but readily distinguished in rhomboid lateral staminodes (vs. obovate) with apex acuminated (vs. rounded); labellum 3-lobed (vs. emarginated), a mid-rid band being yellow at apex half, white at the base (vs. yellow throughout); anther crest presented (vs. reduced); oblong (lightly arching) (vs. L- shaped) anther in side view with slender and inward-pointing (vs. stout and outward-facing) spurs. The second one is similar to C. pambrosima Škorni?k. & N. S. Lý in general habit and shape of the spike but differs in reduced ligule ca. 1 (vs. 4-5) mm long; lateral staminodes orange throughout (vs. yellow at apex, white at base), elliptic with round apex (vs. unequally ovate-rhomboid with acute apex); anther spurs elongate into the acute apex, outward-facing (vs. curved inward), ca. 2-3 (vs. ca. 1,5) mm long, anther crest reduced, up to 0.5 mm, 2-lobed (vs. prominent anther crest, ca. 1.5 mm apex round). Data for each described species comprises standard citation of type specimens, description, proposed species epithet etymology, data on ecology and distribution, and short taxonomic notes and morphological comparison of these new species with its allies species, a revised key to species of Curcuma sect. Ecomata in Vietnam is included. Keywords: Curcuma sixsensesensis, C. vinhlinhensis, Khanh Hoa, Quang Tri, Zingiberaceae
 Curcuma sixsensesensis D.D. Nguyen & T.A. Le, sp. nov. Diagnosis: New species is similar to C. newmanii Škorničk. in a compact rhizome, short lateral inflorescence composed of a few bracts, white corolla lobes and lateral staminodes, white labellum with the yellow mid-rid band but readily distinguished in lateral staminodes being rhomboid (vs. obovate) with apex acuminated (vs. rounded); labellum 3-lobed (vs. emarginated), the mid-rid band being yellow at apex half, white at the base (vs. yellow throughout); anther crest presented (vs. reduced); oblong (lightly arching) (vs. L- shaped) anther in side view with slender and inward-pointing (vs. stout and outward facing) spurs. Etymology: The specific epithet sixsensesensis is derived from Six Senses Ninh Van Bay Resort, the name of an ecology resort where the new species occur around and thanks to the resort management board for supporting our floristic investigation as long as conserving the wild environment around. Habitat, ecology and phenology. Under the canopy of coastal semi-deciduous forests at elevations 150–200 m. The flowering period coincides with the beginning of the rainy season in Coastal Central Vietnam from August to October.   
Curcuma vinhlinhensis D.D. Nguyen & T.A. Le sp. nov. Diagnosis. similar to C. pambrosima Škorničk. & N.S.Lý in general habit and shape of the spike but differs in lateral staminodes being orange throughout (vs. yellow at apex, white at base), elliptic with round apex (vs. unequally ovate-rhomboid with acute apex), anther spurs conical, elongated into the acute apex, outward-facing (vs. cylindrical, curved inward), ca. 2-3 (vs. ca. 1,5) mm long, reduced anther crest up to 0.5 mm, 2-lobed (vs. prominent anther crest ca. 1.5 mm, apex round) Etymology: The specific epithet vinhlinhensis is derived from Vinh Linh District, the hometown of the third author, where this species was first collected. Habitat, ecology and phenology. Cultivated on Bazan soil by local people as a source of starch for traditional food in the elevation of about 0-100 m. The flowering period coincides with the beginning of the rainy season in Coastal Central Vietnam from August to October. Danh Duc Nguyen, Tuan Anh Le, Quoc Huy Hoang, Quoc Thuong Le and Emmy Nguyen. 2022. Two New Taxa of Curcuma sect. Ecomata (Zingiberaceae: Zingibereae), from coastal Central Vietnam. Biodiversitas. 23: 2512-2519. smujo.id/biodiv/article/view/10603 | ||||||||
| 4:08p | [Botany • 2022] Swertia pahalgamensis (Gentianaceae) • A New Species from Kashmir Himalaya, India
Abstract Swertia pahalgamensis (Gentianaceae), a new species from Kashmir Himalaya, India is described here with photographic illustrations. The new species resembles with Swertia thomsonii in some morphological characters, but differs clearly in having basal leaves elliptic-spathulate with acute apices, petals yellowish green, ovate, sub-obtuse apices, nectar guides with prominent bluish straight lines, nectaries viscous, sub-confluent, round to cushion-shaped, number, size and orientation of fimbriae, anthers oblong, seeds oval-round with wider wings. Keywords: Biodiversity, Flora, Himalaya, Kashmir, New species, Swertia, Taxonomy, Eudicots     Tajamul Islam, Anzar Ahmad Khuroo, and Irshad A Nawchoo. 2022. Swertia pahalgamensis (Gentianaceae), A New Species from Kashmir Himalaya, India. Phytotaxa. 547(2); 201-207. DOI: 10.11646/phytotaxa.547.2.8 |
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