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MOLLUGINACEAE CARPET-WEED FAMILY

Michael A. Vincent & Wayne R. Ferren, Jr.

Annual [perennial herb, shrub], glabrous or hairy. Stem: prostrate to erect. Leaf: simple, generally basal and cauline, alternate, opposite, or whorled, entire, (fleshy), petioled [not]; stipules 0 or small, deciduous. Inflorescence: axillary or terminal cyme [umbel] or flowers 1; flowers pedicelled or not. Flower: generally bisexual, small, radial; sepals 4–5, free or fused, persistent; corolla 0 or small (= staminodes); stamens 2–25, free or fused basally, on hypanthium, alternate sepals, petal-like or not; nectary a ring; ovary superior, chambers [1]3–5[10], placentas generally axile, styles [0]1 or 3–5, generally free. Fruit: 3–5-valved capsule [achene]. Seed: 1 or more per chamber, reniform to lenticular, arilled or not.
14 genera, 125 species: generally tropics, subtropics, especially Africa. [Boetsch 2002 Castanea 67:42–53] —Scientific Editor: Thomas J. Rosatti.
Unabridged references: [Boetsch, J. R. 2002. The Aizoaceae and Molluginaceae of the southeastern United States. Castanea 67: 42–53.]

Key to Molluginaceae

MOLLUGO CARPET-WEED
Annual [perennial herb], glabrous. Stem: prostrate to erect, slender, branched from base. Leaf: generally whorled, linear to oblanceolate; stipules ± 0. Inflorescence: axillary, terminal, cyme, umbel [flowers 1]; pedicel 3–30 mm. Flower: sepals 5, free, margins ± scarious; petals 0; stamens 3–5, fused basally; styles 3–5, linear. Fruit: 3-valved, included in calyx. Seed: many, reniform, smooth, ridged, or finely net-sculptured; aril 0.
35 species: tropics, subtropics. (Greek: soft or pliant) Worldwide revision of genus needed.

Key to Mollugo

M. verticillata L.
NATURALIZED
Annual, mat-forming, < 50 cm diam, glabrous. Stem: forked unequally. Leaf: in whorls of 3–8, 5–40 mm. Inflorescence: flowers 2–6. Flower: sepals 1.5–2.5 mm, oblong-elliptic; stamens 3 mm; stigmas 3, ± sessile. Fruit: ovoid-ellipsoid. Seed: dark- or red-brown.
2n=64. Common. Moist, exposed, disturbed wetland margins, roadsides, fields; < 1000 m. California Floristic Province, East of Sierra Nevada; North America; native to tropical America. May–Nov [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 Apr 20 2014
Citation for this treatment: [Author of taxon treatment] 2012. Mollugo, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=33883, accessed on Apr 20 2014

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click for enlargement Mollugo verticillata
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2008 Keir Morse

Bioregions in which Mollugo verticillata 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.