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Key to families | Table of families and genera
This text currently parallels The Jepson Manual: Vascular Plants of California, Second Edition that is now available at the University of California Press.
Text appearing in blue on this page will not appear in the printed book; it will be displayed only on the Web. 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.
Perennial; rhizome scaly; caudex short, erect; wood, especially of roots, often yellow.
Leaf: 1–few, basal, long-petioled, 1- ternate; leaflets triangular to fan-shaped, bases tapered.
Inflorescence: ± scapose, spike, dense; lateral flowers generally unisexual, terminal bisexual.
Flower: perianth 0; stamens (8)9(13), anther valves flap-like, curled inward; ovule 1, style 0, stigma ± flat, furrowed.
Fruit: achene, curved, furrowed, brown to red-purple.
2 species: w North America, Japan. (Greek: thin mist or obscurity, from inconspicuous flowers)
Unabridged references: [Terabayashi 1981 Bot Mag (Tokyo) 94:141–157]
1. Central leaflet (3)6–8(12)-lobed, 7–16 cm, 8–17 cm wide; stamens 4–6 mm; ovary 1.5–2 mm; fruit brown ..... A. californica
1' Central leaflet 3(5)-lobed, 4–11 cm, 4–8 cm wide; stamens 3–4 mm; ovary 1–1.5 mm; fruit red-purple ..... A. triphylla subsp. triphylla
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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