27 Result(s)
within
Timothy M. A. Utteridge
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Open AccessA new species of Lasjia (Proteaceae) from Sulawesi: Lasjia griseifolia Utteridge & Brambach
Lasjia griseifolia Utteridge & Brambach, a member of the Proteaceae, is described and illustrated as a new species from the Indonesian island of Sulawesi. The new species is similar to L. erecta, also from Sulawe...
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Open AccessPhylogenomics and the rise of the angiosperms
Angiosperms are the cornerstone of most terrestrial ecosystems and human livelihoods1,2. A robust understanding of angiosperm evolution is required to explain their rise to ecological dominance. So far, the angio...
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Editorial
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Open AccessHerbarium specimen sequencing allows precise dating of Xanthomonas citri pv. citri diversification history
Herbarium collections are an important source of dated, identified and preserved DNA, whose use in comparative genomics and phylogeography can shed light on the emergence and evolutionary history of plant path...
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Open AccessOut of New Guinea? Two new species of Zygogynum (Winteraceae) extend the genus west of Lydekker’s and Wallace’s Lines
The Winteraceae comprise 100 – 130 species in five to nine genera. The genus Zygogynum is currently thought to have a Papuasian-Pacific distribution and is only known from the western Pacific islands (New Caledon...
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Open AccessTaxonomy and morphology of Thalictrum (Ranunculaceae) in New Guinea
The genus Thalictrum L. in New Guinea is revised based on morphological evidence. Full descriptions of the genus and the four taxa recognised are given. Two species are recognised: Thalictrum papuanum, widespread...
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Open AccessA revision of Ziziphus (Rhamnaceae) in Borneo
The genus Ziziphus (Rhamnaceae) is revised for Borneo. 13 species are recognised using morphological evidence, including three new endemic species: Ziziphus cuspidata, Z. domatiata and Z. puberula. Borneo is ther...
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Open AccessMetal‐rich soils increase tropical tree stoichiometric distinctiveness
Ultramafic soils have high metal concentrations, offering a key opportunity to understand if such metals are strong predictors of leaf stoichiometry. This is particularly relevant for tropical forests where la...
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A review of the Chinese monotypic genus Melliodendron (Styracaceae), with a new synonym of M. xylocarpum
Critical specimen examination and in vivo observations show that Melliodendron xylocarpum var. roseolum is morphologically no different from M. xylocarpum var. xylocarpum, with respect to purported diagnostic cha...
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Notes on Erycibe (Convolvulaceae) from Thailand
Erycibe schmidtii Craib is lectotypified with notes and photographs. Erycibe stapfiana Prain, a new species record from South-Western Thailand, is also provided with a description, photographs and notes.
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Open AccessA revision of the genus Gouania (Rhamnaceae) in the Philippines and Sundaland
The climbing genus Gouania (Rhamnaceae) is revised in western Malesia. Five species are recognised for the Philippines and Sundaland using morphological evidence, including a new species from the Philippines: Gou...
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Open AccessDiplycosia papuana (Ericaceae: Vaccinioideae: Gaultherieae): a new endemic species from central New Guinea
Diplycosia papuana (Ericaceae: Vaccinioideae: Gaultherieae), a new endemic species from central New Guinea, is described and illustrated here. Notes on the distribution, ecology and conservation status of the new...
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Open AccessMaesa camptobotrys (Primulaceae) is Sabia pauciflora (Sabiaceae), not Discocalyx (Primulaceae)
The type specimen of Maesa camptobotrys is re-examined and morphology and characters are discussed. The specimen is a member of the genus Sabia (Sabiaceae) rather than the genus Discocalyx (Primulaceae) into whic...
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Open AccessA linear sequence to facilitate curation of herbarium specimens of Annonaceae
Summary. This paper provides a linear sequence of four subfamilies, 15 tribes and 106 genera of the magnoliid family Annonaceae, based on state-of-the-art and stable phylogenetic relationships. The linear sequenc...
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Open AccessA synopsis of the genus Smythea (Rhamnaceae)
A synoptic revision of the genus Smythea Seem. (Rhamnaceae) based on morphological evidence is presented. A total of 11 species are recognised; five new species are described: Smythea batanensis, S. beccarii, S. ...
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A revision of the genus Systellantha B. C. Stone. Studies in Malaysian Myrsinaceae IV
The genus Systellantha (Primulaceae, Myrsinoideae) is revised here; three species are recognised. One new species is described and illustrated: Systellantha serratifolia Utteridge & Drinkell sp. nov. from norther...
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A synopsis of the genus Embelia in Peninsular Malaysia and Singapore. Studies in Malaysian Myrsinaceae III
The genus Embelia in Peninsular Malaysia and Singapore is revised as part of ongoing work contributing towards the Flora of Peninsular Malaysia account. Three new species are described: E. butangifolia, E. intric...
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An updated and revised description of Timonius grandifolius (Rubiaceae: Guettardeae) and a new character observation for the tribe Guettardeae. Contributions to the Flora of Mt Jaya, XIX
Summary. Dehiscent fleshy fruits are reported for the first time in Rubiaceae tribe Guettardeae based on collections of Timonius grandifolius Valeton from Papua, Indonesian New Guinea. The descri...
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Ardisia silamensis, a new ultramafic species from Borneo; studies in Malaysian Myrsinaceae II
A new species of Ardisia (Myrsinaceae) is described from the Malaysian state of Sabah in northern Borneo. Ardisia silamensis is a member of subgenus Pimelandra, and has been confused with the Peninsular Malaysian...
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A revised circumscription of Maesa ruficaulis S. Moore (Primulaceae-Maesoideae). Contributions to the Flora of Mt Jaya, XVIII
The species Maesa ruficaulis, previously only known from the type collection and placed into synonymy, has been recently collected in the lowland forests of southern New Guinea and is shown here to be a distinct ...
