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  • Ecology  (3,834)
  • Iran  (2,853)
  • General Chemistry
  • 2020-2024  (231)
  • 2020-2022  (5,698)
  • 2015-2019  (348)
  • 1940-1944  (1,562)
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  • 1
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    Four new Curcuma species (Zingiberaceae) from Thailand (2021)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 3, pp. 244-253
    Details
    Publication Date: 2024-06-28
    Description: Four new Curcuma species (Zingiberaceae) from Thailand are described here. Curcuma fimbriata, C. micrantha and C. spathulata belong to C. subg. Hitcheniopsis, while C. globulifera belongs to the nominal C. subg. Curcuma. Each species is compared to the morphologically closest species and detailed descriptions, colour plates and information on their distribution, ecology, phenology and uses are provided. A preliminary IUCN conservation assessment of each of these species is proposed.
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; Curcuma globulifera ; Curcuma fimbriata ; Curcuma micrantha ; Curcuma parviflora ; Curcuma spathulata ; Curcuma subg. Hitcheniopsis
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 2
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    A revision of the Crepidorhopalon whytei complex (Linderniaceae) in eastern Africa (2019)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 64 no. 2, pp. 165-176
    Details
    Publication Date: 2024-06-28
    Description: The Crepidorhopalon whytei (Linderniaceae) species complex is revised using morphological analyses. Based primarily on variations in indumentum, floral morphology, corolla colour and seed morphology, four species are formally recognised within this group in eastern Africa. Crepidorhopalon whytei s.str. is widespread in the highlands of eastern Africa, extending from South Sudan and Ethiopia in the north through to western Tanzania in the south. A new combination in Crepidorhopalon is made for Lindernia flava (= C. flavus), which is confined to the Manica Highlands of the Mozambique-Zimbabwe border. Two new species are described, C. namuliensis which is known only from Mt Namuli in northern Mozambique and C. kwaleensis which is known only from the coastal lowlands of southeast Kenya. A fifth, imperfectly known species is documented from the Nguru Mountains of Tanzania where it is so far known from a single collection. Three names are lectotypified. The habitat requirements and distribution are documented and the extinction risk is assessed for each species. Crepidorhopalon flavus is assessed as globally Vulnerable and C. kwaleensis as globally Endangered, while C. namuliensis and C. whytei are currently considered to be of Least Concern, although the latter is declining markedly in parts of its range. The botanical importance of the key sites for the newly recognised taxa is discussed.
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 3
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    In memoriam Emma Elizabeth van Nieuwkoop (1933–2022) (2022)
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 67 no. 1, pp. vi-vii
    Details
    Publication Date: 2024-06-27
    Keywords: Obituary ; Plant Science ; Ecology ; Evolution ; Behavior and Systematics
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 4
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    A synoptic revision of the golden glories, genus Decalobanthus Convolvulaceae (2022)
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 67 no. 1, pp. 37-70
    Details
    Publication Date: 2024-06-27
    Description: Eighteen species of Decalobanthus are recognized in this concise revision of the genus. Two new combinations are made and one new name is proposed to accommodate a change in rank. The genus is centered in SoutheastAsia and Malesia, with outlier species in the tropical Pacific and one species that reaches the Neotropics; a single wide-ranging species extends from eastern Tropical Africa and Madagascar in the west to the Hawaiian Islands in the east. Each species is provided with a diagnosis, summary of the species’ ecology, compiled vernacular names, and uses. Distributions are mapped based on herbarium voucher specimens. Where appropriate, typifications and nomenclatural problems are explained and comments on morphological variation and the need for further study are highlighted. Selected species are illustrated with colour photos of living plants. An index of numbered collections examined is provided to aid in specimen identification and herbarium curation.
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; biodiversity ; Convolvulaceae ; Decalobanthus ; Malesia ; Merremia ; Southeast Asia ; taxonomy
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 5
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    Two new species of Hanguana (Hanguanaceae) from Kalimantan, Indonesia (2021)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 66 no. 1, pp. 101-105
    Details
    Publication Date: 2024-06-26
    Description: Two new Hanguana species from Kalimantan, Indonesian Borneo, are described here. Hanguana karimatae from Karimata Island, West Kalimantan province, is characterised by a stout habit, prominently oblique yellow fruits with raised stigma and 1- or 2-seeded fruits. Hanguana nana from Central Kalimantan province is the smallest species in the genus with the stem entirely covered by leaves, deflexed barely branched infructescences with only a few fruits, each with a single bowl-shaped seed with a large and incurved appendage. These are the first descriptions of new Hanguana species from Kalimantan (Indonesian Borneo). Colour plates as well as notes on distribution, ecology, habitat and conservation status are provided.
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; Borneo ; Hanguana karimatae ; Hanguana nana ; Kalimantan ; Karimata Island ; taxonomy
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 6
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    Schisandra cauliflora (Schisandraceae), a new species from Vietnam (2019)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 64 no. 2, pp. 183-185
    Details
    Publication Date: 2024-06-25
    Description: Schisandra cauliflora, a new species found in northern Vietnam and described here is referable to Schisandra subg. Sphaerostema. A morphological comparison with related species, and a key to species in the subgenus is provided.Adescription including details of distribution and habitat is supplemented with a line-drawing.
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; northern Vietnam ; Schisandra ; Schisandra cauliflora ; Schisandraceae ; Sphaerostema
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 7
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    A new species of Anadendrum (Araceae – Anadendreae) from Vietnam (2019)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 64 no. 2, pp. 190-193
    Details
    Publication Date: 2024-06-25
    Description: Anadendrum chlorospathum is described as a new species from Central Vietnam, unique in the genus by a glossy medium green spathe, flowers in which the perigone is shorter than the gynoecium, and having anthers longer at anthesis than the filaments.
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; Anadendrum chlorospathum ; Gia Lai ; Indochina ; new species ; Vietnam
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 8
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    A taxonomic revision of Phyllanthus subgenus Macraea (Phyllanthaceae) (2019)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 64 no. 3, pp. 231-252
    Details
    Publication Date: 2024-06-25
    Description: Within the morphologically diverse pantropical genus Phyllanthus, many subgenera, sections and subsections are recognized. While most taxonomic revisions often focus on local floras, closely related and often resembling species are not always treated in full. Subgenus Macraea is here revised for the first time over its whole distribution, including an identification key and descriptions of its species with distributions, ecology, uses and vernacular names. The currently acknowledged varieties of Phyllanthus distichus are rejected due to inadequate morphological differences. Phyllanthus panayensis is synonymized with P. lancifolius. Phyllanthus alpestris has now become a variety of P. glaucophyllus because of the resemblance in morphology and distribution. The species complex around Phyllanthus virgatus remains taxonomically difficult, but Phyllanthus virgatus var. gardnerianus and Phyllanthus virgatus var. hirtellus are here recognized on the species level as P. gardnerianus, stat nov. and P. tararae, stat & nom. nov. A new species from the Philippines, Phyllanthus ridsdalei, is described
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; Euphorbiaceae ; Macraea ; new species ; Phyllanthaceae ; Phyllanthus ; revision ; species descriptions ; taxonomy
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 9
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    Maesa brevipedicellata (Primulaceae), a new species from Papua New Guinea (2020)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 1, pp. 83-85
    Details
    Publication Date: 2024-06-24
    Description: Maesa brevipedicellata, a new species of Maesa (Primulaceae-Maesoideae) from Papua New Guinea, is described and illustrated based on herbarium specimen observations. The collections of this species resemble M. rufovillosa and were previously determined as that species. Maesa brevipedicellata is unique with its selfsupporting habit, hispid hairs throughout and paniculate inflorescences with very short pedicels. This new species mainly differs from M. rufovillosa by the habit (tree/shrub in M. brevipedicellata vs climber in M. rufovillosa) and the inflorescence structure (panicles in M. brevipedicellata vs simple racemes in M. rufovillosa).
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; Ericales ; Maesa ; Malesia ; Myrsinaceae ; new species ; Papuasia ; taxonomy
    Repository Name: National Museum of Natural History, Netherlands
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  • 10
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    A new and unusual species of Dichaea (Orchidaceae: Zygopetalinae) from Costa Rica (2020)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 1, pp. 61-64
    Details
    Publication Date: 2024-06-24
    Description: A new and florally unusual species of the genus Dichaea is described and illustrated from Costa Rica, where it is apparently endemic, and its relationships are discussed. Dichaea auriculata is compared with the group of species close to D. graminoides, from which it can be distinguished by the lip with a long isthmus, provided with two rounded auricles at the base, instead of the sessile lip typical of the group. It is also compared with another Costa Rican endemic in the same complex, D. gracillima, from which it can be distinguished by the autogamous, mostly cleistogamous, flowers, the 3-lobed lip with rounded basal lobes, the high keel along the lip isthmus, and the bifid ligule of the column. Notes on the habitat and the ecology of the new species are provided.
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; autogamy ; Dichaeopsis ; Flora of Costa Rica ; new species ; plant diversity ; section Pseudodichaea
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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