RBCL SEQUENCES SUPPORT EXCLUSION OF RETZIA, DESFONTAINIA, AND NICODEMIA FROM THE GENTIANALES

被引：42
作者：
BREMER, B
OLMSTEAD, RG
STRUWE, L
SWEERE, JA
机构：
[1] UNIV COLORADO,DEPT EPO BIOL,BOULDER,CO 80309
[2] NATL MUSEUM HIST & TECHNOL,MOLEC SYST LAB,WASHINGTON,DC 20560
来源：
PLANT SYSTEMATICS AND EVOLUTION | 1994年 / 190卷 / 3-4期
关键词：
GENTIANALES; LOGANIACEAE; STILBACEAE; DESONTAINIA; EUTHYSTACHYS; NICODEMIA; RETZIA; CHLOROPLAST DNA; RBCL; CLADISTIC ANALYSIS;
D O I：
10.1007/BF00986194
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
The taxonomic positions of Retzia, Desfonlainia, and Nicodemia have been much discussed, and all three genera have been included in Loganiaceae (Gentianales). We have made a cladistic analysis of rbcL gene sequences to determine the relationships of these taxa to Gentianales. Four new rbcL sequences are presented; i.e., of Retzia, Desfontainia, Diervilla (Caprifoliaceae), and Euthystachys (Stilbaceae). Our results show that Retzia, Desfontainia, and Nicodemia are not closely related to Loganiaceae or the Gentianales. Retzia is most closely related to Euthystachys and is better included in Stilbaceae. The positions of Desfontainia and Nicodemia are not settled, but Desfontainia shows affinity for the Dipsacales s.l. and Nicodemia for the Lamiales s.l.
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页码：213 / 230
页数：18
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