|University of California, Berkeley|
Key to families | Table of families and genera
1. Calyx funnel-shaped, 2-lipped, 3 upper lobes fused to form a single upper lip, lower lobes well developed ..... O. ×majoricum
1' Calyx tube-shaped, 5-lobed, lobes equal ..... O. vulgare subsp. hirtum
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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