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

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Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [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].
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