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Soleirolia Gaudich.

Soleirolia (en), Hélixine (fr)

Genus

Angiosperms > Rosales > Urticaceae

Characteristics

Herbs , perennial, with nonstinging hairs. Stems 1-25-branched, repent, filiform, mat-forming. Leaves alternate; stipules absent. Leaf blades orbiculate to oblong, margins entire; cystoliths elongate, linear. Inflorescences axillary, 1-flowered. Flowers unisexual, proximal flowers pistillate, the distal staminate; bracts subtending pistillate flowers developing 3 corky wings covered with fine, hooked hairs in fruit. Staminate flowers: tepals 4, distinct, equal; stamens4; pistillode obovate. Pistillate flowers: tepals 4, connate, lacking hooked hairs; staminodes absent; stigma filiform, deciduous. Achenes sessile, ovoid, apex acute, tightly enclosed by scarious perianth and surrounded by connivent, winged bracteoles. x =10.
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Monoecious, perennial herb; stems creeping, rooting at nodes. Leaves alternate, entire, 3-veined from base, petiolate or subsessile; stipules absent. Flowers unisexual, solitary in axils, small, green, subtended by a bract and 2 bracteoles. Perianth 4-or 5-lobed. Male flowers in axils above females; stamens 4. Female flowers with short style; stigmatic hairs forming a dense deciduous tuft. Achenes ellipsoid, smooth, brown, enclosed in persistent perianth, bract and bracteoles.
Perennial, monoecious herb, without stinging hairs. Lvs alternate, entire, exstipulate. Fls inconspicuous, solitary, axillary, bracteolate. Perianth green, 4-partite; segments ± equal; segments of ♂ fls connate at base. Achene enclosed by perianth and bracteoles.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality monoecy
Pollination -
Spread -
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Root system creeping-root
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Flower color
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Nitrogen fixer -
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Environment

Light -
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Hardiness (USDA) 7-11

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

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Germination duration (days) -
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Images

Soleirolia unspecified picture

Distribution

Soleirolia world distribution map, present in Australia, New Zealand, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:40998-1
WFO ID wfo-4000035694
COL ID 63SDN
BDTFX ID 87237
INPN ID 197736
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Soleirolia

Lower taxons

Soleirolia soleirolii
WorldFloraDB 2024