Jepson eFlora
Key to families | Table of families and genera

Key to Echium

View taxon page for Echium

1. Annual, biennial; corolla limb 18–30 mm diam; lower 2 stamens short-exserted ..... E. plantagineum

1' Shrub; corolla limb 9–13 mm diam; all stamens long-exserted

2. Plant long-lived, many-branched; basal rosette 0; flower ± radial, corolla tube ± = calyx; nutlet black, fine-tubercled ..... E. candicans

2' Plant short-lived, once-flowering, generally unbranched; basal rosette present; flower ± bilateral, corolla tube 2+ × calyx; nutlet ± brown, prickly ..... E. pininana


Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.