Revisión taxonómica de las especies del género Verbena L. (Verbenaceae) II: serie Verbena.

OLEARY, N.; MÚLGURA, M.E.; MORRONE, O.

ANNALS OF THE MISSOURI BOTANICAL GARDEN

MISSOURI BOTANICAL GARDEN

Lugar: Missouri; Año: 2010 vol. 97 p. 365 - 424

0026-6493

Verbena (Verbenaceae) is represented by 44 species, mainly distributed in America, with two species distributed in temperate regions from both hemispheres: Verbena officinalis L. and V. supina L. Southamerican species are morphologicaly different from Northamerican species, and are placed in two separate series: Verbena series Pachystachyae Schauer and series Verbena, respectively. In the present treatment Verbena series Verbena taxa are described, this series includes 26 species, placed in three groups: Verbena, Hastatae and Bracteosae. Detailed morphological descriptions are given for each taxon, as well as keys for their identification, illustrations, actualised synonymy with 56 new synonymized species (Appendix 3), as well as discussion of relationship between closely related taxa. Two new combinations are introduced: Verbena gracilescens (Cham.) Herter var. swiftiana (Moldenke) N. O’Leary and V. simplex Lehm. var. orcuttiana (L. M. Perry) N. O’Leary; nine species are lectotypified : V. bracteata Cav. ex Lag. & Rodr., V. bracteosa Michx. var. brevibracteata A. Gray, V. carolina L., V. domingensis Urb., V. officinalis L. var. gracilescens Cham., V. hastata L., V. hirsuta M. Martens & Galeotti, V. riparia Raf. ex Small & A. Heller and V. urticifolia L. var. simplex Farw.; and six species are neotypified: V. ehrenbergiana Schauer, V. lasiostachys Link, Verbena roemeriana Scheele, V. simplex Lehm., V. spuria L. and V. xutha Lehm.