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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.

 

H. filifolius Hook.
NATIVE
Perennial herb 0.5–10 dm, ± glabrous to densely tomentose. Leaf: basal 3–20 cm, 2-pinnately dissected into 2–50 mm linear or thread-like segments, minutely gland-dotted; cauline 0 or few, distal generally much reduced. Inflorescence: heads discoid, 1–many; peduncle 0.5–16 cm; principal phyllaries 3–14 mm, 2–5 mm wide, margin white- or ± yellow-scarious for 1–4 mm from acute to obtuse tip. Flower: 10–70; corolla 2–7 mm, yellow or white. Fruit: 3–7 mm, densely short-hairy; pappus scales 12–22, generally linear-oblong. [Online Interchange]

Key to Hymenopappus filifolius

1. Corolla 3–4 mm; anthers 2–3 mm; fruit 4.5–5.5 mm ..... var. nanus

1' Corolla 4–7 mm; anthers 3–4 mm; fruit 5–7 mm

2. Corolla ± white; peduncle 8–16 cm; cauline leaves 2–7; fruit hairs 0.5–1.5 mm ..... var. eriopodus

2' Corolla generally yellow; peduncles 2–12 cm; cauline leaves 0–7; fruit hairs 1–2 mm

3. Cauline leaves 0–3; divisions of basal leaves 3–15 mm; main phyllaries 6–10 mm ..... var. lugens

3' Cauline leaves (1)2–7; divisions of basal leaves 5–30 mm; main phyllaries 8–12(14) mm ..... var. megacephalus

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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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