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  • 1
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    Studies in Annonaceae. IX. New species from the Neotropics and miscellaneous notes (1988)
    In:  Miscellaneous publications of the University of Utrecht Herbarium (1572-6592) vol.3 (1988) nr.1 p.243
    Details
    Publication Date: 2015-05-08
    Description: This paper follows upon an earlier paper in the series “Studies in Annonaceae” (Maas et al. 1986). Twelve new species are described, viz. 2 in Duguetia, 1 in Ephedranthus, 5 in Guatteria, 2 in Hornschuchia, 1 in Tetrameranthus, and 1 in Unonopsis. A new combination is made in Enicosanthellum. Some amendments and additions to the revision of Tetrameranthus (Westra 1985), including an updated key, are given. Monocarpia euneura Miq. appears to have priority over M. marginalis (R. Scheffer) James Sincl. Additional collections have been made of the rare species Bocagea longepedunculata Martius, Xylopia crinita R.E. Fries, and Xylopia excellens R.E. Fries. Attention is drawn to several recent collections from Bahia, Brazil, which are perhaps referable to Unonopsis stipitata Diels. H. León, Popayán, and D. Sánchez S., Medellín, contributed to three of the new species.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 2
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    Flowers of annonaceae: Morphology, classification, and evolution (1992)
    In:  Blumea. Supplement (0373-4293) vol.7 (1992) nr.1 p.1
    Details
    Publication Date: 2015-03-06
    Description: The present paper describes the diversity in floral characters of Annonaceae and their distribution over the family, and discusses their value for classification and generic delimitation. Flower morphology predominated historical classifications of this family since Hooker & Thomson (1855) introduced floral characters to divide the Asiatic genera into a number of tribes. Since then, several taxonomists presented a classification of the Annonaceae using floral characters, which classifications, however, are generally felt as unnatural. A survey of the flower morphology of all genera reveals a reticulate distribution of floral character states. Classification of the genera, as presented in this study, learns that floral characters different from those in previous classifications should be used if one aims at a better correlation with non-floral features. The chromosome number in this respect turned out to be an important character. Classification of the neotropical genera is relatively easy compared with classification of the African and Asiatic genera. Current genus delimitations in many cases are disputable. The functional aspects of the flower morphology are discussed in connection with a literature survey of the results from field studies on flower biology of Annonaceae. Some remarks on evolutionary aspects are added.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 3
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    Revision of the Southeast Asian genus Stelechocarpus (Annonaceae) (1995)
    In:  Blumea - Biodiversity, Evolution and Biogeography of Plants (0006-5196) vol.40 (1995) nr.2 p.429
    Details
    Publication Date: 2015-03-06
    Description: In the present article a revision is given of the Southeast Asian genus Stelechocarpus, in which two species are recognized and described.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 4
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    Studies in Annonaceae. VII. New species from the Neotropics and miscellaneous notes (1983)
    In:  Miscellaneous publications of the University of Utrecht Herbarium (1572-6592) vol.1 (1983) nr.1 p.249
    Details
    Publication Date: 2015-05-08
    Description: Several species in neotropical genera are described, viz. 1 in Bocageopsis, 2 in Cremastosperma, 1 in Hornschuchia, 1 in Oxandra, 4 in Pseudoxandra, and 2 in Unonopsis. Cremastosperma anomalum R.E. Fries is transferred to Malmea. Cremastosperma pacificum R.E. Fries is recorded for Panama for the first time. Xylopia ulei Diels, X. neglecta (O. Kuntze) R.E. Fries, and X. intermedia R.E. Fries are brought into synonymy with X. benthamii R.E. Fries, X. parviflora Spruce, and X. sericea A. St.Hil. respectively. The African Xylopia parviflora (A. Rich.) Benth., non Spruce, now has to bear the name X. longipetala De Wild, et T. Durand.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 5
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    Floral anatomy of some neotropical Gentianaceae (1983)
    In:  Miscellaneous publications of the University of Utrecht Herbarium (1572-6592) vol.1 (1983) nr.1 p.45
    Details
    Publication Date: 2015-05-08
    Description: The floral anatomy of several Neotropical Gentianaceae, mostly belonging to the Lisyantheae, has been investigated.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 6
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    Studies on the flora of the Guianas. 36. New taxa and combinations in Pourouma (Cecropiaceae) (1988)
    In:  Miscellaneous publications of the University of Utrecht Herbarium (1572-6592) vol.3 (1988) nr.1 p.105
    Details
    Publication Date: 2015-05-08
    Description: The 23 species recognized in Pourouma are listed with their synonyms and distribution. Two new subspecies are described: P. melinonii Benoist subsp. glabrata C.C. Berg & van Heusden and P. tomentosa Miquel subsp. persecta Standley ex C.C. Berg & van Heusden. Ten new combinations are made: P. bicolor Martius subsp. chocoana (Standley) C.C. Berg & van Heusden, P. bicolor subsp. digitata (Trécul) C.C. Berg & van Heusden, P. bicolor subsp. scobina (Benoist) C.C. Berg & van Heusden, P. bicolor subsp. tessmannii (Mildbraed) C.C. Berg & van Heusden, P. guianensis Aublet subsp. venezuelensis (Cuatrecasas) C.C. Berg & van Heusden, P. hirsutipetiolata Mildbraed subsp. hispida (Standley & Cuatrecasas) C.C. Berg & van Heusden, P. mollis Trécul subsp. triloba (Trécul) C.C. Berg & van Heusden, P. tomentosa Miquel subsp. apiculata (Benoist) subsp. essequiboensis (Standley) C.C. Berg & van Heusden, and P. tomentosa subsp. maroniensis (Benoist) C.C. Berg & van Heusden. A key to the species and subspecies is presented. The present paper gives in a concise form the results of a revisional treatment of Pourouma and studies on behalf of treatments of the genus for the Flora of the Guianas and the Flora de Venezuela.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 7
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    Revision of Haplostichanthus (Annonaceae) (1994)
    In:  Blumea - Biodiversity, Evolution and Biogeography of Plants (0006-5196) vol.39 (1994) nr.1/2 p.215
    Details
    Publication Date: 2015-03-06
    Description: In the present revision six species are recognized within Haplostichanthus F. Muell. (Annonaceae), which now includes the genus Papualthia Diels. Four new combinations are made: Haplostichanthus gamopetala, H. heteropetala, H. lanceolata, and H. longirostris. One new species from New Britain is described: H. stellatus.
    Repository Name: National Museum of Natural History, Netherlands
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  • 8
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    Flowers of annonaceae: Morphology, classification, and evolution (1992)
    In:  Blumea. Supplement vol. 7 no. 1, pp. 1-218
    Details
    Publication Date: 2024-01-12
    Description: The present paper describes the diversity in floral characters of Annonaceae and their distribution over the family, and discusses their value for classification and generic delimitation. Flower morphology predominated historical classifications of this family since Hooker & Thomson (1855) introduced floral characters to divide the Asiatic genera into a number of tribes. Since then, several taxonomists presented a classification of the Annonaceae using floral characters, which classifications, however, are generally felt as unnatural. A survey of the flower morphology of all genera reveals a reticulate distribution of floral character states. Classification of the genera, as presented in this study, learns that floral characters different from those in previous classifications should be used if one aims at a better correlation with non-floral features. The chromosome number in this respect turned out to be an important character. Classification of the neotropical genera is relatively easy compared with classification of the African and Asiatic genera. Current genus delimitations in many cases are disputable. The functional aspects of the flower morphology are discussed in connection with a literature survey of the results from field studies on flower biology of Annonaceae. Some remarks on evolutionary aspects are added.
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 9
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    Revision of Haplostichanthus (Annonaceae) (1994)
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 39 no. 1/2, pp. 215-234
    Details
    Publication Date: 2024-01-12
    Description: In the present revision six species are recognized within Haplostichanthus F. Muell. (Annonaceae), which now includes the genus Papualthia Diels. Four new combinations are made: Haplostichanthus gamopetala, H. heteropetala, H. lanceolata, and H. longirostris. One new species from New Britain is described: H. stellatus.
    Repository Name: National Museum of Natural History, Netherlands
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  • 10
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    Revision of Meiogyne (Annonaceae) (1994)
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 38 no. 2, pp. 487-511
    Details
    Publication Date: 2024-01-12
    Description: In the present revision of Meiogyne (Annonaceae) nine species are recognized, of which one is new, M. glabra; five new combinations are made; M. hainanensis is re-established. Meiogyne in its new sense includes the former genera Ancana, Chieniodendron, Guamia, Meiogyne, Oncodostigma, and Polyaulax. A key to all species is given.
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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