Further disintegration of Scrophulariaceae

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Abstract:

A phylogenetic study of plastid DNA sequences (ndhF, trnL/F, and rps16) in Lamiales is presented. In particular, the inclusiveness of Scrophulariaceae sensu APG II is elaborated. Scrophulariaceae in this sense are mainly a southern hemisphere group, which includes Hemimerideae (including Alonsoa, with a few South Americanspecies), Myoporeae, the Central American Leucophylleae (including Capraria), Androya, Aptosimeae, Buddlejeae, Teedieae (including Oftia, Dermatobotrys, and Freylinia), Manuleeae, and chiefly Northern temperate Scrophularieae (including Verbascum and Oreosolen). Camptoloma and Phygelius group with Buddlejeae and Teedieae, but without being well resolved to any of these two groups. Antherothamnus isstrongly supported as sister taxon to Scrophularieae. African Stilbaceae are shown to include Bowkerieae and Charadrophila. There is moderate support for a clade of putative Asian origin and including Phrymaceae,Paulownia, Rehmannia, Mazus, Lancea, and chiefly parasitic Orobanchaceae, to which Brandisia is shown to belong. A novel, strongly supported, clade of taxa earlier assigned to Scrophulariaceae was found. The cladeincludes Stemodiopsis, Torenia, Micranthemum and probably Picria and has unclear relationships to the restof Lamiales. This clade possibly represents the tribe Lindernieae, diagnosed by geniculate anterior filaments, usually with a basal swelling.

Keywords: LAMIALES; NDHF; PHYLOGENY; RPS16; SCROPHULARIACEAE; TRNL/F

Document Type: Research Article

Affiliations: 1: Department of Systematic Botany, Evolutionary Biology Centre, Uppsala University, Norbyvägen 18D SE752 36 Uppsala, Sweden 2: Department of Biology, Box 355325, University of Washington, Seattle, Washington 98195, U.S.A. 3: The Bergius Foundation at the Royal Swedish Academy of Sciences, Box 50017 SE-104 05 Stockholm, Sweden

Publication date: May 1, 2005

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