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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.


Terrestrial, tuberous; monoecious. Leaf: basal; blade hastate to sagittate, veins generally ± pale; petiole ± >= blade. Inflorescence: generally exceeded by bract, tip with ± cylindric appendage; peduncle < petiole, generally << leaf; bract ± tubular, enclosing inflorescence at base, withering before fruit, blade abaxially pale yellow-green, adaxially ± white to pale yellow-green or dark purple, margins pale green to white or not; flowers pistillate proximally, staminate distally, generally sterile between pistillate and staminate and distal to staminate. Staminate flower: perianth 0; stamens 3–4. Pistillate flower: ovary chamber 1, ovules in 2 series.
± 25 species: Eurasia, northern Africa. (Greek: ancient name) Some cultivated as ornamental or for food.

Key to Arum

1. Inflorescence bract adaxially ± white to pale yellow-green; leaves emerging fall, early winter ..... A. italicum

1' Inflorescence bract adaxially dark purple; leaves emerging spring ..... [A. palaestinum]


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].
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