Jepson eFlora: Taxon page
Vascular Plants of California
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Mollugo verticillata

Higher Taxonomy
Family: MolluginaceaeView DescriptionDichotomous Key
Habit: 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.
Genera In Family: 14 genera, 125 species: generally tropics, subtropics, especially Africa.
eFlora Treatment Author: Michael A. Vincent & Wayne R. Ferren, Jr.
Scientific Editor: Thomas J. Rosatti.
Genus: MollugoView DescriptionDichotomous Key

Common Name: CARPET-WEED
Habit: 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.
Etymology: (Greek: soft or pliant) Note: Worldwide revision of genus needed.
Mollugo verticillata L.
Habit: 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. Chromosomes: 2n=64.
Ecology: Common. Moist, exposed, disturbed wetland margins, roadsides, fields; Elevation: < 1000 m. Bioregional Distribution: CA-FP, SNE; Distribution Outside California: North America; native to tropical America. Flowering Time: May--Nov
Jepson eFlora Author: Michael A. Vincent & Wayne R. Ferren, Jr.
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)

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Botanical illustration including Mollugo verticillata

botanical illustration including Mollugo verticillata

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Citation for this treatment: Michael A. Vincent & Wayne R. Ferren, Jr. 2012, Mollugo verticillata, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on June 24, 2024.

Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora,, accessed on June 24, 2024.

Mollugo verticillata
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©2007 Neal Kramer
Mollugo verticillata
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©2022 Neal Kramer
Mollugo verticillata
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©2016 Keir Morse
Mollugo verticillata
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©2004 Carol W. Witham
Mollugo verticillata
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©2008 Keir Morse

More photos of Mollugo verticillata
in CalPhotos

Geographic subdivisions for Mollugo verticillata:
1. You can change the display of the base map layer control box in the upper right-hand corner.
2. County and Jepson Region polygons can be turned off and on using the check boxes.
map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).


Data provided by the participants of the  Consortium of California Herbaria.
View all CCH records
All markers link to CCH specimen records. The original determination is shown in the popup window.
Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.

CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time (fruiting time in some monocot genera).