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| Morphology and systematics of Sciurothamnion stegengae gen. et sp. nov. (Ceramiaceae, Rhodophyta) from the Indo-Pacific |
| De Clerck, O.; Kraft, G. T.; Coppejans, E. (2002). Morphology and systematics of Sciurothamnion stegengae gen. et sp. nov. (Ceramiaceae, Rhodophyta) from the Indo-Pacific, in: (2002). VLIZ Coll. Rep. 32(2002). VLIZ Collected Reprints: Marine and Coastal Research in Flanders, 32: pp. chapter 16 |
| In: (2002). VLIZ Coll. Rep. 32(2002). VLIZ Collected Reprints: Marine and Coastal Research in Flanders, 32. Flanders Marine Institute (VLIZ): Oostende, meer |
| In: VLIZ Collected Reprints: Marine and Coastal Research in Flanders. Vlaams Instituut voor de Zee: Oostende. ISSN 1376-3822, meer |
| Ook gepubliceerd als |
- De Clerck, O.; Kraft, G. T.; Coppejans, E. (2002). Morphology and systematics of Sciurothamnion stegengae gen. et sp. nov. (Ceramiaceae, Rhodophyta) from the Indo-Pacific J. Phycol. 38(6): 1176-1189. dx.doi.org/10.1046/j.1529-8817.2002.01247.x, meer
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| Trefwoorden |
Fertilization; Fertilization; New genera; Nieuwe species; Nuclei; Ontwikkelingsfases; Plant reproductive structures; Plantenmorfologie; Sexuele reproductie; Taxonomie; Zeewieren; [Algen]; Callithamnieae [WoRMS]; Ceramiaceae [WoRMS]; Rhodophyta [Roodwieren] [WoRMS]; ISW, West Indian Ocean [gazetteer]; Marien |
| Author keywords |
algae; Ceramiaceae; cytology; morphology; Rhodophyta; Sciurothamnion gen. nov.; Sciurothamnion stegengae sp. nov.; systematics; taxonomy |
| Abstract |
A new ceramiaceous alga, Sciurothamnion stegengae De Clerck et Kraft, gen. et sp. nov., is described from the western Indian Ocean and the Philippines. Sciurothamnion appears related to the tribe Callithamnieae on the basis of the position and composition of its procarps and by the majority of post-fertilization events. It differs, however, from all current members of the tribe by the presence of two periaxial cells bearing determinate laterals per axial cell. Additionally, unlike any present representative of the subfamily Callithamnioideae, no intercalary foot cell is formed after diploidization of the paired auxiliary cells. The genus is characterized by a terminal foot cell (“disposal cell”), which segregates the haploid nuclei of the diploidized auxiliary cell from the diploid zygote nucleus. The nature of three types of foot cells reported in the Ceramiaceae (intercalary foot cells containing only haploid nuclei, intercalary foot cells containing haploid nuclei and a diploid nucleus, and terminal foot cells containing only haploid nuclei) is discussed. |
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