Jepson eFlora
Key to families | Table of families and genera

Key to Eriodictyon

View taxon page for Eriodictyon

Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.

1. Plant low perennial herb 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 stalked-glandular abaxially; corolla urn-shaped or funnel-shaped

4. Stems, peduncle, pedicel and abaxial leaf veins stalked-glandular; corolla funnel-shaped, 12–15 mm, dense-hairy, not stalked-glandular ..... E. sessilifolium

4' Stems, peduncle, pedicel and abaxial leaf veins not stalked-glandular; corolla urn-shaped, <= 10 mm, sparse- to dense-hairy, stalked-glandular

5. 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

5' 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

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

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

3' Calyx not stalked-glandular; corolla funnel-shaped

7. Leaf linear to lance-linear, 0.2–1.1 cm wide

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

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

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

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

7' Leaf lanceolate to oblong or ovate, 1–5 cm wide

10. Leaf adaxially sparse-hairy to dense-tomentose ..... E. crassifolium

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

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

10' Leaf adaxially glabrous to sparse-long-wavy-hairy

12. 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

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

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

13' Stem 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


Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, [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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