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Key to families | Table of families and genera

Specimen numbers are hyperlinked to records in the Consortium of California Herbaria data view where possible. Taxa are hyperlinked to entries in the Jepson Interchange via the "[Online Interchange]" link.



John C. La Duke

Annual, perennial herb, subshrub, canescent to stellate-hairy, with longer hairs or not. Leaf: petioled; blade lance-linear to triangular, entire to deeply dissected. Inflorescence: raceme-like (flowers clustered in bract axils) or panicle; bractlets (0)1–3, inconspicuous, generally deciduous, thread-like. Flower: petals obovate, white, lavender, pink, rose-pink, salmon- or red-orange, or apricot; filament tube hairs 0 or stellate, anthers generally ± yellow or ± purple; stigmas head-like. Fruit: segments 9–17, 1–2-seeded, below indehiscent, strongly net-veined, above dehiscent, smooth. Seed: gray, black, or brown.
± 50 species: arid America. (Greek: globe mallow, from fruit shape) Polyploidy, intermediates common.
Unabridged references: [Fryxell 1988 Syst Bot Monogr 25:421–438]

Key to Sphaeralcea

1. Annual ..... S. coulteri

1' Subshrub (flower 1st year or not)

2. Leaves ± lance-linear ..... S. angustifolia

2' Leaves wider than lance-linear

3. Leaves deeply divided

4. Sepals < 11 mm ..... S. grossulariifolia

4' Sepals 13–15 mm ..... S. rusbyi var. eremicola

3' Leaves often lobed but not deeply divided

5. Inflorescence an open panicle, occasionally dense in bud ..... S. ambigua (in part)

6. Petals red-orange to apricot ..... var. ambigua

6' Petals lavender to pink ..... var. rosacea

5' Inflorescence raceme-like or a dense panicle

7. Leaves coarsely dentate ..... S. munroana

7' Leaves entire, ± wavy, crenate, or finely dentate

8. Leaf markedly wrinkled abaxially ..... S. ambigua var. rugosa

8' Leaf ± not wrinkled abaxially

9. Hairs coarse; leaves gray-green; fruit segment 4.5–5 mm, dehiscent part ± 60% of segment ..... S. emoryi var. emoryi

9' Hairs fine; leaves generally yellow-green; fruit segment 2.5–3 mm, dehiscent part < 20% of segment ..... S. orcuttii


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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