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Soleirolia soleirolii

Higher Taxonomy
Family: UrticaceaeView DescriptionDichotomous Key

Habit: Annual, perennial herb [to shrub, soft-wooded tree], hairs stinging and not [glabrous]; monoecious or dioecious; wind-pollinated. Leaf: alternate or opposite, generally stipuled, petioled, blade often with translucent, raised dots due to crystals in epidermal cells. Inflorescence: axillary, 1-flowered or head-, raceme-, or panicle-like. Flower: generally unisexual, small, +- green; sepals generally 4--5, free to fused; petals 0. Staminate Flower: stamens generally 4--5, opposite sepals, incurved in bud, reflexing suddenly when flower opens. Pistillate Flower: ovary 1, superior, chamber 1, style 0--1, stigma 1, generally hair-tufted. Fruit: generally achene.
Genera In Family: 50 genera, 700 species: worldwide; some cultivated (Boehmeria, ramie; Pilea, clearweed).
eFlora Treatment Author: Robert E. Preston & Dennis W. Woodland
Scientific Editor: Thomas J. Rosatti.
Genus: SoleiroliaView Description 

Common Name: BABY'S TEARS

Species In Genus: 1 sp. Etymology: (Captain J.F. Soleirol, collector especially in Corsica, 1781--1863)

Soleirolia soleirolii (Req.) Dandy
Habit: Annual 2--30 cm, stems prostrate, generally mat-forming, stinging hairs 0. Leaf: alternate, 3--8 mm, oblong to +- round, oblique, entire; crystals generally elongate. Inflorescence: flowers 1, subtended by 3 winged bractlets, lower pistillate, upper staminate. Staminate Flower: sepals 4, +- free; stamens 4. Pistillate Flower: sepals fused. Fruit: achene, 0.8--1 mm, ovoid, shiny, enclosed by calyx, bractlets. Chromosomes: 2n=20.
Ecology: Damp, shaded places; Elevation: < 215 m. Bioregional Distribution: CCo, SnFrB, SCo, s ChI (San Nicolas Island); Distribution Outside California: Baja California; native to Corsica, Sardinia. Flowering Time: Mar--Jun Note: Ornamental, occasionally escaping from cultivation.
Synonyms: Helxine soleirolii Req.;
eFlora Treatment Author: Robert E. Preston & Dennis W. Woodland
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botanical illustration including Soleirolia soleirolii


Citation for this treatment: Robert E. Preston & Dennis W. Woodland 2012, Soleirolia soleirolii, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on January 23, 2018.

Citation for the whole project: Jepson Flora Project (eds.) 2018, Jepson eFlora,, accessed on January 23, 2018.

Soleirolia soleirolii
click for enlargement
© 2001 Tony Morosco
Soleirolia soleirolii
click for enlargement
© 2002 Tony Morosco

More photos of Soleirolia soleirolii in CalPhotos

Geographic subdivisions for Soleirolia soleirolii:
CCo, SnFrB, SCo, s ChI (San Nicolas Island);
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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).

View elevation by latitude chart
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 eFlora flowering time.