|University of California, Berkeley|
Key to families | Table of families and genera
1. Sepals free; woody fruit-body short-spiny (sect. Ibicella) ..... P. lutea
1' Sepals ± fused; woody fruit-body smooth or rough but not spiny (sect. Proboscidea)
2. Perennial herb; largest leaves <= 7 cm wide; corolla yellow to orange with various darker markings; fruit body ± 1 cm wide, lanceolate; taproot in width > stem base ..... P. althaeifolia
2' Annual; largest leaves generally > 7 cm wide; corolla white with ± purple tinge, various darker markings; fruit body 1.5–3 cm wide, narrow-ovate; taproot in width ± = stem base ..... P. louisianica subsp. louisianica
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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