Zobrazeno 1 - 10 of 187 pro vyhledávání: '"P.C. van Welzen"'
1
The Malesian species of Dalechampia (Euphorbiaceae)
Autor: P.C. van Welzen, E. Winkel
Publikováno v: Blumea: Biodiversity, Evolution and Biogeography of Plants, 67(1), 26-32
Dalechampia is a mainly South American genus of generally climbing shrubs with usually sharp stiff trichomes in some of the inflorescence parts. The bisexual inflorescences are very condensed and subtended by two, often showy, large bracts. The three
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a33a00da5687ee6ff49ec58a5f2490b2
https://doi.org/10.3767/blumea.2022.67.01.06
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2
A revision of the genus Croton (Euphorbiaceae) in Sumatra (Indonesia)
Autor: J. Beyer, H.-J. Esser, M.C.M. Eurlings, P.C. van Welzen
Publikováno v: Blumea - Biodiversity, Evolution and Biogeography of Plants.
Croton (Euphorbiaceae) is a very large genus of over 1200 species of herbs, shrubs and trees occurring mainly in the (sub)tropics. The major diversity of Croton is within the Neotropics; and there are comparatively few species in South-East Asia. Thi
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https://doi.org/10.3767/blumea.2023.68.01.01
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3
Flora of Singapore precursors, 21: New records of Euphorbiaceae for Singapore
Autor: David J. Middleton, S. Lindsay, P.C. van Welzen
Publikováno v: Gardens' Bulletin Singapore. 72:143-158
Seven species of Euphorbiaceae are newly recorded for Singapore of which five are presumed native, one is cryptogenic and one is naturalised. One name is lectotypified. The conservation status of the native species is discussed.
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https://doi.org/10.26492/gbs72(2).2020-03
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4
Taxonomic notes on Trigonostemon (Euphorbiaceae) in the Philippines
Autor: Ren-Yong Yu, E. M. G. Agoo, J. R. C. Callado, P.C. van Welzen
Publikováno v: Blumea: Biodiversity, Evolution and Biogeography of Plants, 65(1), 12-24
Descriptions of five Trigonostemon species in the Philippines (four endemic) are updated with taxonomic notes based on herbarium collections and field observations. A new species of Trigonostemon is described. All species treated here are illustrated
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https://doi.org/10.3767/blumea.2020.65.01.03
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6
A taxonomic revision of Phyllanthus subgenus Macraea (Phyllanthaceae)
Autor: P.C. van Welzen, J.I.M. Verwijs, Roderick W. Bouman
Publikováno v: Blumea
Blumea, 64, 231-252
Blumea: Biodiversity, Evolution and Biogeography of Plants, 64(3), 231-252
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
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https://doi.org/10.3767/blumea.2019.64.03.05
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10
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