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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.

 

AEONIUM
[Perennial herb] to shrub. Leaf: rosettes near stem tips, leaves alternate, generally obovate to oblanceolate, ciliate [or not]. Inflorescence: terminal; branches many, flowers on 1 side. Flower: erect, calyx, corolla not circumscissile in fruit; sepals [6]7–11[16], ± fused basally; petals = sepals in number, ± free, > sepals, cream or bright yellow; stamens 2 × sepals in number; pistils erect, ± free. Seed: many, 0.4–0.6 mm, ellipsoid, striate, brown.
31 species: Africa, Yemen, Madeira, Cape Verde, especially Canary Islands. (Latin: name given to Aeonium arboreum by Dioscorides, Greek botanist)
Unabridged references: [Liu 1989 Special Pub Natl Mus Nat Sci Taiwan 3]

Key to Aeonium

1. Leaves 50–75, green or brown-purple, ± shiny; stems few-branched, fleshy, bark ± smooth; adventitious prop roots 0; flower rotate, petals 9–11, yellow; pedicel, calyx puberulent ..... A. arboreum var. arboreum

1' Leaves 15–25, gray-green, ± dull; stems much-branched, woody, bark rough; adventitious prop roots many; flower bell-shaped, petals 7–9, cream; pedicel, calyx glabrous ..... A. haworthii

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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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