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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; bulb 1 or on rhizomes, reforming each yr; bulblets at bulb bases or on rhizomes; outer bulb coat brown, red-brown, yellow-brown, or gray; inner coats generally white (pink, red, or yellow); onion odor, taste present (except Nothoscordum).
Stem: scapose, cylindric, sometimes flat or triangular.
Leaf: basal, sheathing stem, linear [or not], cylindric, channeled or flat, generally ± withering from tip by flower.
Inflorescence: umbel (1-flowered in Ipheion), bracts generally 2, splitting and appearing 2+ or not, ± fused, enclosing flower buds, scarious.
Flower: perianth parts 6 in 2 petal-like whorls, ± free to fused in lower 1/3–1/2; stamens 6, fused to perianth, filaments widened at base, anthers attached at middle; ovary superior, 3-lobed, chambers 3, ovules 2+ per chamber, style 1, stigma entire or ± 3-lobed.
Fruit: capsule, loculicidal.
Seed: black, sculpture net-like, smooth, or granular.
13 genera, 750–800 species: worldwide. Many cultivated for food, ornamental. —Scientific Editor: Thomas J. Rosatti.
1. Perianth parts ± free; onion odor present; inflorescence 3–many-flowered, flowers rarely partly or completely replaced by bulblets ..... ALLIUM
1' Perianth parts fused in lower 1/3 or 1/2; onion odor present or 0; inflorescence 1–several-flowered, flowers not replaced by bulblets
2. Onion odor present; inflorescence 1-flowered; perianth parts fused in lower 1/2 ..... IPHEION
2' Onion odor 0; inflorescence several-flowered; perianth parts fused in lower 1/3 ..... NOTHOSCORDUM
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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