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2022
Journal article
Pollen morphology of the Sapotaceae from Thailand and its taxonomic implications.
The external pollen morphology of the family Sapotaceae in Thailand was examined using the acetolysis method to determine its taxonomic significance. Pollen of 39 specimens belonging to 32 species was investigated by means of light and scanning electron microscopy. Pollen grains are found to be monads, isopolar, colporate, lalongate, and...Kunasit, Pongsakorn ; Chantaranothai, Pranom
Ericales, Pollen morphology, Planchonella, Taxonomy, Morphometric analysis, Sapotaceae, Chrysophyllum, Palynology, Pouteria, and Madhuca
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2023
Journal article
Ardisia recurvipetala (Primulaceae-Myrsinoideae), a new species from northern Peninsular Malaysia.
Recent fieldwork in Terengganu, Peninsular Malaysia, resulted in the collection of an endemic new species of , described here as Julius, Siti-Munirah & Utteridge. The species is a member of subgenus (§) on account of its vascularised glands (bacterial nodules) on the leaf margin and the terminal inflorescence on a...Julius, Avelinah ; Siti-Munirah, Mat Yunoh ; Utteridge, Timothy M. A.
subgenus Crispardisia, Taxonomy, Taman Negeri Kenyir (Malaysia), Myrsinaceae, Malaysia, Malesia, and Ericales
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2020
Journal article
A new species of Diplycosia (Ericaceae) from Mount Jaya, western New Guinea.
Diplycosia puradyatmikai, a new species of Ericaceae, is described from Mount Jaya in the Indonesian province of Papua, western New Guinea. A detailed description, illustration, and comparisons with the similar species D. kosteri are provided. -
2021
Journal article
Six new species of Maesa (Primulaceae) from Papua New Guinea.
Six new species of Maesa (Primulaceae-Maesoideae) from Papua New Guinea, namely M. angustibracteolata, M. aurulenta, M. brassii, M. oblanceolatifolia, M. pusilliflora and M. prolatifructa are described and illustrated based on observations from herbarium specimens; the taxonomic affinities of each species are also discussed.Sumanon, Pirada ; Eiserhardt, Wolf L. ; Balslev, Henrik ; Utteridge, Timothy M. A.
Papuasia, Myrsinaceae, Papua New Guinea, New species, Maesa, Malesia, Taxonomy, and Ericales
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2023
Journal article
The phylogeny and global biogeography of Primulaceae based on high-throughput DNA sequence data.
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2015
Journal article
A new species of Ternstroemia (Pentaphylacaceae) from La Amistad Binational Park and World Heritage Property, Costa Rica and Panama.
Ternstroemia amistadensis Q. Jiménez & D. Santam., a new tree species from La Amistad International Park in Costa Rica and Panama, is described and illustrated. Ternstroemia amistadensis is assessed as Near Threatened, It may be may be distinguished from other species in the genus based on its obovate, coriaceous and... -
2022
Journal article
Ardisia whitmorei (Primulaceae-Myrsinoideae), a new species from north east of Peninsular Malaysia.
Julius & Utteridge, (Primulaceae-Myrsinoideae), a member of Ardisia subgenus Stylardisia on account of the style protruding from the closed petals prior to anthesis, is herein described and illustrated as a new species. This new species is easily distinguished by the combination of the inflorescences with a slender rachis branched to...Julius, Avelinah ; Utteridge, Timothy M.A.
Stylardisia, Terengganu, Conservation status, IUCN status, Ericales, Indonesia, Gunung Padang (Indonesia), Taxonomy, Malesia, and Endemic
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2022
Journal article
Mitochondrial genomic data are effective at placing mycoheterotrophic lineages in plant phylogeny.
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2016
Journal article
Lysimachia kraduengensis (Primulaceae), a new species from northeastern Thailand.
A new species of Primulaceae from Thailand, Lysimachia kraduengensis, is described and illustrated. It is morphologically similar to L. engleri, L. lancifolia, L. laxa and L. sikokiana in having solitary and axillary flowers, a yellow corolla, relatively long pedicels and basifixed anthers. The new species can be distinguished by the...Lysimachia, Eudicots, Molecular phylogeny, Thailand, Ericales, New species, Indo-China, Taxonomy, and Loei Province (Thailand)