Jepson eFlora: Taxon page
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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 2016. Soleirolia soleirolii, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on May 03, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora,, accessed on May 03, 2016.

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. 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.
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.