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FRANKENIACEAE FRANKENIA FAMILY

Carrie Kiel & R. John Little


1 genus. —Scientific Editor: Bruce G. Baldwin.

FRANKENIA FRANKENIA
(Annual) [perennial herb] to shrub, generally with rhizome; glands salt-secreting. Stem: prostrate to erect, nodes swollen, generally rooting. Leaf: opposite, 4-ranked, united by a single sheath, ± clustered, simple, 1–15 mm, salt-encrusted, generally persistent; blade obovate to oblong-oblanceolate or elliptic, generally leathery or fleshy, glabrous to hairy, margin entire, rolled under; stipules 0. Inflorescence: generally cyme, axillary. Flower: generally bisexual, radial; calyx persistent, sepals 4–7, fused, ribbed; petals 4–7, free, white to pink or blue-purple, overlapping, clawed, with adaxial scale-like appendage near base; stamens 3–12(25), 2-whorled, outer whorl shorter; ovary superior, chambers 1–4, styles 1–4, exserted, ovules 1–many. Fruit: loculicidal capsule within persistent calyx. Seed: 1–many, ivory to gold-brown.
90 species: especially coastal and semi-arid regions; soils high in salt, gypsum, or calcium. (Johann Frankenius, colleague of Linnaeus) [Whalen 1987 Syst Bot Monogr 17:1–93]

Key to Frankenia

F. pulverulenta L. EUROPEAN SEA HEATH
WAIF
Annual, 15(30) cm diam, taprooted. Stem: decumbent to ascending, branched at base, 1–8 cm, with curved white hairs. Leaf: blade 1–6 mm, 1–3 mm wide, ± rolled under, abaxially sparsely hairy. Inflorescence: 1, axillary. Flower: calyx tube 2–4 mm; petals 4–5 mm, pink to purple; stamens generally 6, ± 3 mm; styles (2)3. Fruit: 2–2.5 mm. Seed: many, oblong-ellipsoid.
High-salinity marshes and intermittently flooded areas; < 20 m. South Coast; Oregon, Utah; Africa, southwestern Asia, native to Europe. 1 record from Ballona Marsh, Los Angeles Co., 2009. Apr–Sep [Online Interchange]

Previous taxon: Frankenia palmeri
Next taxon: Frankenia salina

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Apr 19 2014
Citation for this treatment: [Author of taxon treatment] 2012. Frankenia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=26049, accessed on Apr 19 2014

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Bioregions in which Frankenia pulverulenta 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.