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GERANIACEAE GERANIUM FAMILY

Carlos Aedo, except as noted

Annual, perennial herb, or ± woody, generally glandular-hairy. Leaf: simple to compound, basal and cauline; cauline alternate or opposite, stipules 2, ± on stem. Inflorescence: cyme or pseudo-umbel or 1–2-flowered. Flower: bisexual [unisexual], radial or ± bilateral; sepals 5, free, overlapping in bud; petals generally 5, free, generally with nectar glands at base; stamens generally 5,10[15]; staminodes scale-like or 0; ovary generally 5-lobed, upper part elongating into beak in fruit, chambers 5, placentas axile, style 1, stigmas 5, free, persistent in fruit. Fruit: septicidal [loculicidal], mericarps 5, dry, generally 1-seeded, each persistent on 1 of 5 linear segments of beak that separate from central column by curving or coiling upward.
6 genera, ± 750 species: temperate, ± tropics. Some cultivated for ornamental, perfume oils. [Bakker et al. 2006 Taxon 55:887–896] —Scientific Editor: Thomas J. Rosatti.
Unabridged references: [Bakker, F. T., Breman, F., & Merckx, V. 2006. DNA sequence evolution in fast-evolving mitochondrial DNA nad1 exons in Geraniaceae and Plantaginaceae. Taxon 55: 887–896; Price & Palmer 1993 Ann Missouri Bot Gard 80:661–671]

Key to Geraniaceae

ERODIUM STORKSBILL, FILAREE

Carlos Aedo & Carmen Navarro

Annual, perennial herb. Leaf: simple to pinnately compound, cauline opposite; blade lanceolate to reniform in outline, puberulent or short-hairy, base cordate to truncate. Inflorescence: umbel. Flower: radial; stamens 5, free, alternate 5 scale-like staminodes. Fruit: mericarp body indehiscent, fusiform, 1-seeded, base sharply pointed, top generally with 1 pit on each side of beak segment, pits subtended by 1–4 ridges or not; beak segments stiffly hairy adaxially, generally twisted.
± 74 species: temperate America, Eurasia, northern Africa, Australia. (Greek: heron, from bill-like fruit) [Fiz et al. 2006 Syst Bot 31:739–763] Some cultivated for forage, dyes; "beak segments" sometimes called "awns" elsewhere. Erodium macrophyllum moved to genus California.
Unabridged references: [Guittonneau 1972 Boissiera 20:1–154]

Key to Erodium

E. botrys (Cav.) Bertol.
NATURALIZED
Annual. Stem: prostrate to ascending, 1–9 dm, short-hairy. Leaf: lobed to dissected; lobes ± 8–10 mm wide; lower leaves 3–15 cm; blade ± = petiole, ovate to oblong in outline, glabrous to sparsely puberulent, veins short-appressed-hairy. Flower: sepals 10–13 mm, tip bristly; petals ± > sepals, pink. Fruit: body 8–11 mm, pits 0 or transversely narrow and inconspicuous, subtended by (2)3–4 glabrous ridges; style column 5–12 cm.
2n=40, 60. Dry, open or disturbed sites; < 1000 m. California Floristic Province; native to southern Europe. Mar–Jul [Online Interchange]

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Jul 24 2014
Citation for this treatment: [Author of taxon treatment] 2013. Erodium, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=25037, accessed on Jul 24 2014

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Bioregions in which Erodium botrys occurs Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.