A taxonomic monograph of Ipomoea integrated across phylogenetic scales

被引：80

作者：

Munoz-Rodriguez, Pablo ^{[1
]}

Carruthers, Tom ^{[1
]}

Wood, John R. I. ^{[1
,2
]}

Williams, Bethany R. M. ^{[1
]}

Weitemier, Kevin ^{[3
]}

Kronmiller, Brent ^{[4
]}

Goodwin, Zoe ^{[5
]}

Sumadijaya, Alex ^{[1
]}

Anglin, Noelle L. ^{[6
]}

Filer, Denis ^{[1
]}

Harris, David ^{[5
]}

Rausher, Mark D. ^{[7
]}

Kelly, Steven ^{[1
]}

Liston, Aaron ^{[8
]}

Scotland, Robert W. ^{[1
]}

机构：

[1] Univ Oxford, Dept Plant Sci, Oxford, England

[2] Royal Bot Gardens, Richmond, Surrey, England

[3] Oregon State Univ, Dept Fisheries & Wildlife, Corvallis, OR 97331 USA

[4] Oregon State Univ, Ctr Genome Res & Biocomp, Corvallis, OR 97331 USA

[5] Royal Bot Garden Edinburgh, Edinburgh, Midlothian, Scotland

[6] Int Potato Ctr, Lima, Peru

[7] Duke Univ, French Family Sci Ctr, Durham, NC USA

[8] Oregon State Univ, Dept Bot & Plant Pathol, Corvallis, OR 97331 USA

来源：

NATURE PLANTS | 2019年 / 5卷 / 11期

基金：

英国生物技术与生命科学研究理事会;

关键词：

BATATAS L. LAM; ASSESSING GENETIC DIVERSITY; PENALIZED LIKELIHOOD; DIVERSIFICATION; ORIGIN; DNA; SEQUENCES; PLANTS; CONVOLVULACEAE; COLLECTIONS;

D O I：

10.1038/s41477-019-0535-4

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Taxonomic monographs have the potential to make a unique contribution to the understanding of global biodiversity. However, such studies, now rare, are often considered too daunting to undertake within a realistic time frame, especially as the world's collections have doubled in size in recent times. Here, we report a global-scale monographic study of morning glories (Ipomoea) that integrated DNA barcodes and high-throughput sequencing with the morphological study of herbarium specimens. Our approach overhauled the taxonomy of this megadiverse group, described 63 new species and uncovered significant increases in net diversification rates comparable to the most iconic evolutionary radiations in the plant kingdom. Finally, we show that more than 60 species of Ipomoea, including sweet potato, independently evolved storage roots in pre-human times, indicating that the storage root is not solely a product of human domestication but a trait that predisposed the species for cultivation. This study demonstrates how the world's natural history collections can contribute to global challenges in the Anthropocene.

引用

页码：1136 / +

页数：19

共 71 条

[1] Ribosomal ITS sequences and plant phylogenetic inference [J].