|University of California, Berkeley|
Key to families | Table of families and genera
1. Heads generally nodding in bud and fruit; ray pappus 0; disk pappus of lanceolate, long-tapered, minutely fringed scales 2–3.7 mm ..... H. nutans
1' Heads generally erect in bud and fruit; ray pappus 0.2–1.5 mm; disk pappus of linear to lanceolate or awl-shaped, or oblong to square, fringed or plumose scales 0.2–3.5 mm
2. Leaves ± evenly distributed on stem; ray fruit strongly bowed abaxially, beaked, beak 0.4–0.5 mm; disk flowers staminate ..... H. doris-nilesiae
2' Leaves unevenly distributed, mostly along main, central stem and immediately proximal to branches supporting heads; ray fruit slightly or not bowed abaxially, beak 0 or pappus elevated adaxially 0.1–0.2 mm; some or all disk flowers bisexual
3. Phyllaries densely white-soft-hairy near folded edges; ray fruit slightly bowed abaxially; disk pappus of linear and long-tapered to awl-shaped, plumose scales 1.2–3.5 mm ..... H. stebbinsii
3' Phyllaries coarsely hairy, or minutely so, near folded edges; ray fruit not bowed abaxially; disk pappus of lanceolate to linear or oblong to square, fringed scales 0.2–0.8 mm
4. Proximal, unbranched part of main, central stem generally > branches supporting heads, distal leaves of main stem not densely clustered; disk pappus of lanceolate to linear scales 0.6–0.8 mm ..... H. guggolziorum
4' Proximal, unbranched part of main, central stem generally < branches supporting heads, distal leaves of main stem densely clustered; disk pappus of oblong or square scales 0.2–0.5 mm ..... H. hallii
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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