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Perennial to shrub.
Stem: prostrate to ascending or erect; bark shredding.
Leaf: simple, cauline, alternate.
Inflorescence: generally open, terminal.
Flower: corolla funnel- to urn-shaped, white, lavender, or purple, generally hairy abaxially; stamens included, filaments generally hairy; ovary chambers 2, styles 2, generally hairy.
Fruit: 1–3 mm wide; valves 4.
Seed: striate, dark brown or black.
11 species: sw US, Mex. (Greek: wool net, from abaxial leaves) [Ferguson 1998 Syst Bot 23:253–268]
Unabridged etymology: (Greek: erio, wool, plus dictyon, net, from abaxial leaves)
Unabridged references: [Hannan 1988 Amer J Bot 75:579–588]

Key to Eriodictyon

1. Plant low per or subshrub, stems woody at base or not

2. Plant subshrub, stem erect, 1–3 m ..... E. parryi

2' Plant perennial herb, stem prostrate to ascending, 0.16–0.5 m ..... E. lobbii

1' Plant shrub, stems woody

3. Calyx, corolla stalked-glandular abaxially; corolla urn-shaped, ± constricted at throat

4. Calyx lobes 2.5–4 mm, dense-long-hairy, stalked glands fewer than hairs; corolla 3–5 mm, tube exceeding calyx by < 2 mm ..... E. tomentosum

4' Calyx lobes 4–5 mm, moderate-hairy, stalked glands as many as hairs; corolla 6–10 mm, tube exceeding calyx by > 2 mm ..... E. traskiae

5. Petiole 10–20 mm; leaf blade elliptic, 1.5–4 cm wide; corolla 7–10 mm ..... subsp. smithii

5' Petiole 2–5 mm; leaf blade narrow-elliptic, 1–1.5 cm wide; corolla 6–7 mm ..... subsp. traskiae

3' Calyx, corolla not stalked-glandular abaxially; corolla funnel-shaped, not constricted at throat

6. Lf linear to lance-linear, 0.2–1.1 cm wide

7. Infl head-like; calyx lobes 6–8 mm, dense-long-hairy ..... E. capitatum

7' Infl open, branched; calyx lobes 2–5 mm, glabrous to sparse-hairy

8. Lf abaxially with all but midvein obscured by hairs; pedicel, peduncle glabrous, sticky; calyx lobes 3–5 mm, abaxially glabrous, sticky; corolla 11–16 mm, lavender ..... E. altissimum

8' Lf abaxially with all but midvein not obscured by hairs; pedicel, peduncle sparse-stiff-hairy, not sticky; calyx lobes 2–3 mm, abaxially sparse-stiff-hairy, not sticky; corolla 3–7 mm, white ..... E. angustifolium

6' Lf lanceolate to oblong or ovate, 1–5 cm wide

9. Lf adaxially sparse-hairy to dense-tomentose ..... E. crassifolium

10. Lf adaxially dense-gray- to -white-tomentose; leaf ± ovate, not sticky; corolla 8–16 mm ..... var. crassifolium

10' Lf adaxially dull ± green, sparse- to moderate-short-hairy; leaf lanceolate, sticky between hairs; corolla 6–10 mm ..... var. nigrescens

9' Lf adaxially glabrous to sparse-long-wavy-hairy

11. Calyx abaxially glabrous to sparse-hairy, adaxially short-stiff-hairy; corolla 8–12(17) mm, abaxially sparse-hairy; flower buds appearing dark, not gray-hairy ..... E. californicum

11' Calyx dense-long-hairy; corolla 6–8 mm, abaxially dense-long-hairy; flower buds appearing gray-hairy ..... E. trichocalyx

12. St sparse- to dense-long-wavy-hairy; leaf adaxially sparse-long-wavy-hairy, abaxially dense-white-tomentose, all but midvein, secondary veins obscured ..... var. lanatum

12' St glabrous to sparse-short-hairy; leaf adaxially ± glabrous, sparse-short-hairy mostly on midvein, abaxially sparse-tomentose between yellow-green, glabrous veins in net-like pattern ..... var. trichocalyx

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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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