Jepson eFlora
Key to families | Table of families and genera

Key to Mertensia

View taxon page for Mertensia

1. Corolla 6–10 mm, tube < calyx; nw Klamath Ranges ..... M. bella

1' Corolla 10–25 mm, tube > calyx; High Cascade Range, High Sierra Nevada, Great Basin Floristic Province

2. Plant ± sparse-spreading-hairy ..... M. cusickii

2' Plant glabrous to ± strigose

3. Plant 4–15 dm; lateral veins of cauline leaves conspicuous; wet places in mtns; flower Jun–Aug ..... M. ciliata var. stomatechoides

3' Plant generally < 4(5) dm; lateral veins of cauline leaves obscure; generally spring-moist places of plains, foothills; flower Apr–Jun

4. Basal leaves rare on flowering plants; cauline leaves generally 1.5–4 × longer than wide; corolla limb 0.3–0.5(0.6) × tube; stems generally 1–2, from shallow, tuber-like root ..... M. longiflora

4' Basal leaves generally well developed on flowering plants; cauline leaves generally 2.5–7 × longer than wide; corolla limb 0.5–0.8 × tube; stems many, from large fleshy taprooted caudex ..... M. oblongifolia

5. Leaf blade ± glabrous; stem generally < 20 cm ..... var. nevadensis

5' Leaf blade hairy 1 or both surfaces; stem generally > 20 cm

6. Leaf blade hairy both surfaces ..... var. amoena

6' Leaf blade hairy adaxially ..... var. oblongifolia

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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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