Jepson eFlora: Key page
Vascular Plants of California
Key to families | Table of families and genera

Key to Eriodictyon

View taxon page for Eriodictyon

(For a list of species in Eriodictyon, use the above link.)

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

1. Plant low  herb or subshrubstems woody at base or not

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

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

1' Plant shrub, stems woody

3. Calyx stalked-glandular abaxially; corolla  or 

4. Stems and abaxial  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  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  , 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  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  to  or , 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  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


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

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