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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.

 

EREMALCHE

Katarina Andreasen & David M. Bates


Annual, glabrous or generally sparsely stellate-hairy; plant with bisexual or only pistillate flowers. Stem: prostrate to erect, ± hollow. Leaf: blade toothed to lobed or dissected, bases symmetric. Inflorescence: flowers 1 in leaf axils or in axillary or terminal clusters; flowering stalks longer in fruit; bractlets subtending calyx 3, persistent, linear to thread-like. Flower: calyx lobes > tube, acuminate; petals generally > calyx, white to ± purple (drying darker); filament tube included, anthers at tip; styles > filament tube, stigmas head-like. Fruit: segments generally 9–22 or 25–35, unarmed, glabrous, generally ± black, sides fragile, outer edges, back ridged or net-veined.
3 species: southwestern United States, northwestern Mexico. (Greek: lonely mallow, from desert habitats) [Andreasen 2005 Conservation Genet 6:399–412]
Unabridged etymology: (Greek: eremi, lonely, and malache, mallow, lonely mallow, from desert habitats)
Unabridged references: [Fryxell 1988 Syst Bot Monogr 25:151–155]

Key to Eremalche

1. Leaves crenate to coarsely dentate; petal base with area of different color; fruit segments generally 25–35, 2.8–3.5 mm ..... E. rotundifolia

1' Leaves palmately lobed to dissected; petal base without area of different color; fruit segments 9–22, 1.4–2 mm

2. Stem prostrate to decumbent; petals 4–5.5 mm, ± = calyx; plant with bisexual flowers ..... E. exilis

2' Stem generally ± erect; petals 3–25 mm, often >> calyx; plant with bisexual or occasionally only pistillate flowers ..... E. parryi

3. Calyx 3–10 mm, lobes 1.5–3.5 mm wide; plant with pistillate or bisexual flowers ..... subsp. kernensis

3' Calyx 10–14 mm, lobes 2.5–5 mm wide; plant with bisexual flowers ..... subsp. parryi

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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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