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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, subtrop, 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 [per], 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, subtrop. (Greek: soft or pliant) Worldwide revision of genus needed.

Key to Mollugo

M. cerviana (L.) Ser.
NATURALIZED
Annual, glabrous, glaucous.
Stem: 3–20 cm.
Leaf: in whorls of 4–10[12], 3–15 mm.
Inflorescence: flowers 3–4.
Flower: sepals 1–1.5 mm, elliptic to ovate; stamens 1 mm; stigmas 3, sessile.
Fruit: ± spheric.
Seed: brown.
2n=18. Uncommon. Seasonal pools, sandy washes, flats, slopes; < 1700 m. San Jacinto Mountains, Desert; to Texas, Mexico, tropics; native to Old World. Sep–Mar [Online Interchange]

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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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Bioregions in which taxon occursRed area (if present) is the part of the bioregion lying between the upper and lower elevation limits of the taxon;
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 have georeferencing or identification issues.
map of distribution 1

Chart based on elevation range in Manual and elevations and coordinates of CCH records.
Data provided by the participants of the Consortium of California Herbaria.
Note: About half of the CCH records include both elevation and coordinates.
Map made in collaboration with Scott Loarie. Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

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