Directory       News       Site Map       Home
         
    Jepson eFlora
Key to families | Table of families and genera

Specimen numbers are hyperlinked to records in the Consortium of California Herbaria data view where possible. Taxa are hyperlinked to entries in the Jepson Interchange via the "[Online Interchange]" link.

 

LAMIUM DEAD NETTLE

John M. Miller & Dieter H. Wilken


Annual [perennial herb], glabrous to hairy. Stem: decumbent to erect; base generally branched. Leaf: petioled to sessile; blade generally ovate to round or reniform, entire to toothed. Inflorescence: terminal and axillary, each head-like, subtended by leaves. Flower: calyx 5-lobed, lobes ± equal, generally acuminate; corolla 2-lipped, upper lip hood-like, lower lip ± 3-lobed, lateral lobes < central; stamens 4, fertile, generally enclosed by upper lip, anthers generally hairy; style ± equally 2-lobed. Fruit: nutlets triangular in ×-section, truncate distally.
40 species: temperate Eurasia, northern Africa. (Latin: ancient name) [Wagstaff et al. 1998 Plant Syst Evol 209:265–274]
Unabridged references: [Bernström 1955 Hereditas 41:1–122]

Key to Lamium

1. Distal cauline leaves sessile, clasping; corolla tube glabrous inside ..... L. amplexicaule

1' Distal cauline leaves petioled; corolla tube puberulent below filaments ..... L. purpureum

Contact/Feedback

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].
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.