Jepson eFlora
Key to families | Table of families and genera

Key to Marah

View taxon page for Marah

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

1. Corolla rotate, yellow-green to cream or white; ovary, fruit ± spheric, prickles sparse to ± dense, ± stiff, unhooked ..... M. fabacea

1' Corolla ± cup-shaped, white; ovary, fruit generally not spheric, prickles sparse to dense, stiff or flexible, hooked or not

2. Staminate flowers generally < 8 mm wide; herbage glaucous; ovary, fruit ± spheric, prickles sparse to dense, flexible, generally hooked; seeds 1–4, ± spheric ..... M. watsonii

2' Staminate flowers generally > 8 mm wide; herbage not glaucous; ovary, fruit ovate to oblong or tapered to beak, prickles generally dense, stiff or flexible, unhooked; seeds generally 3–24, disk-shaped to ovoid or oblong

3. Ovary, fruit ± spheric, tapered to beak, often striped dark green, prickles sparse to dense, flexible; seeds generally 3–6, disk-shaped, ± flat — Northwestern California, San Francisco Bay Area ..... M. oregana

3' Ovary, fruit oblong, generally not tapered to beak, not striped green, prickles ± dense, stiff; seeds generally > 6, ovoid to oblong, occasionally flat at 1 end

4. Corolla deeply cup-shaped; seeds flat at 1 end; c&s Sierra Nevada Foothills, Tehachapi Mountain Area ..... M. horrida

4' Corolla shallowly cup-shaped; seeds not flat at 1 end; Southwestern California, Sonoran Desert ..... M. macrocarpa

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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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