|University of California, Berkeley|
Key to families | Table of families and genera
1. Perennial herb or subshrub; stem generally branched only in proximal 1/2; peduncle 8–25 cm ..... X. tortifolia var. tortifolia
1' Shrub; stem generally branched throughout; peduncle 0–11 cm
2. Younger stems and peduncles short-glandular; phyllaries loosely appressed, outermost glandular, innermost < immediately preceding series ..... X. cognata
2' Younger stems and peduncles generally glabrous (rarely puberulent proximal to heads); phyllaries tightly appressed, ± glabrous; innermost >= immediately preceding series ..... X. orcuttii
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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