Drosera L.
  • Sp. Pl. 1: 281. 1753. (1 May 1753)
  • Sundew, catch-fly, dew-threads, droséra, rossolis [Greek droseros, dewy, alluding to glistening glandular trichomes on leaves]


Cite taxon page as 'WFO (2021): Drosera L. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-4000012595. Accessed on: 04 Dec 2021'

General Information

Herbs perennial or annual, with rhizomes, fibrous roots, or tubers with a vertical stolon below ground. Stem very short, long and erect, or climbing. Leaves basal and rosulate, or alternate, petiolate, with glandular, papillose hairs. Flowers bisexual, actinomorphic. Sepals (4 or)5(or 6-12), free or connate at base, persistent. Petals 5, free, closing and contorted after anthesis, persistent. Stamens as many as petals. Ovary superior, 1-loculed, 2-5-carpellate; placentation parietal; styles (2 or)3-5(or 6), free or connate at base, persistent. Capsule dehiscent, 2-6-valved. Seeds numerous, ellipsoid or linear, sometimes winged.

  • Provided by: [F].Flora Of CHina @ efloras.org
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    Plants annual or perennial [rarely subshrubs], deciduous, stems 1–2 cm (except also caulescent stems to 8(–20) cm in D. intermedia), usually forming over-wintering buds (hibernaculae). on both surfaces in strong sunlight, greener in shade (except D. tracyi, which lacks red pigment even in full sun), unlobed, suborbiculate, orbiculate, spatulate, or obovate, or cuneate to linear pink, or rose to pinkish lavender; stamens 5, usually connate basally; gynoecium 3-carpellate; styles 3, deeply bifid; stigma capitate. Capsules obovoid, splitting between placentae. Seeds 20–70, . x = 10.

  • Provided by: [G].Flora of North America @ efloras.org
    • Source: [
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    DROSERA L.

    Drosera capillaris Poir., Encycl. 6: 299. 1804.

    Hierbas 5–18 cm de alto. Hojas en rosetas de aproximadamente 1.5–6 cm de diámetro, rojo obscuras, adpresas al suelo,0.8–3.5 cm de largo, láminas obovadas a oblanceoladas, 1–12 mm de largo y 1.5–4 mm de ancho, ápices redondeados a obtusos, haz con tentáculos glandulares de simetría radial, envés glabro; pecíolos planos de 5–25 mm de largo y ca 1 mm de ancho, cara adaxial glabra, la abaxial con tricomas filamentosos o raramente glabra; estípulas rectangulares, 2–4 mm de largo y 0.5–1.5 mm de ancho, membranáceas, multipartidas, con lacinias 1–2.5 mm de largo. Inflorescencias 1–2, 6–18 cm de largo, glabras, con 2–7 flores, pedúnculos 2–12 cm de largo, brácteas lineares, 1–1.5 mm de largo, ápices agudos, glabras; pedicelos 0.5–1.5 mm de largo, glabros; sépalos 2–4 mm de largo, unidos ca 1/3 basal, glabros, lobos oblongos a obovados u ovados, 1.5–2.5 mm de largo y 0.5–1 mm de ancho, ápices agudos u obtusos; pétalos unguiculados, rosados o blancos; estambres ca 3.5 mm de largo, anteras ca 1.5 mm de largo; gineceo 3-carpelar, estilos 3, ca 2 mm de largo, bipartidos casi hasta la base, estigmas 6, clavados. Frutos 3-valvados; semillas obovoides, con filas longitudinales de papilas.

    Común en sabanas y pinares, en suelos arenosos próximos a ríos, lugares inundados, superficies abietas en suelos con bastante materia orgánica, Zelaya; 0–100 m; fl y fr ene, mar, jul y oct; Stevens 7690, 19615; sur de Estados Unidos y México hasta Belice, Honduras y Nicaragua, Venezuela, Colombia, Guayanas, Brasil y también en las Antillas. El género es cosmopolita con cerca de 120 especies tropicales y templadas, la mayoría en Australia y Nueva Zelanda.

  • Provided by: [K].Flora de Nicaragua
    • Source: [
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    Low insectivorous herbs. Leaves alternate, usually in basal rosettes, covered with glandular hairs having viscid secretion; blades filiform to broadly orbicular, circinate in bud; stipules scarious, variously fringed or divided, adnate or free. Inflorescences circinate, nodding at the underdeveloped apex. Flowers regular, hypogynous, generally pentamerous; sepals 4-8, usually 5, withering-persistent, distinct or mostly united at the base, imbricate; petals 4-8, usually 5, white, pink or purple, broadened at the tip, distinct or slightly united at the base; stamens 4-8, as many as the petals, the filaments subulate or filiform, the anthers slightly extrorse and versatile; ovary superior, sessile, 1-celled, many-ovuled, the placentas

  • Provided by: [E].Flora de Panama
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    3-5, parietal, the ovules subglobose or ovoid in 2-5 rows on each placenta, anatro- pous, the styles 2-5, usually 3, often bifurcate to the base or branched. Capsules 2-5-valved, usually 3-valved; seeds minute, numerous, usually stipitate, the testa variously reticulated and ornamented.

  • Provided by: [E].Flora de Panama
    • Source: [
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    Hierbas perennes de raíces fibrosas (en CR), hermafroditas, a veces estoloníferas, los tallos aéreos inconspicuos (en CR); estípulas presentes (en CR), intrapeciolares. Hojas simples, alternas, arrosetadas y basales (en CR), circinadas en la yema, con tricomas glandulares tentaculares en el margen y el envés, pecioladas (en CR), el pecíolo comprimido (en CR). Infl. escaposa, cimosa. Fls. bisexuales, actinomorfas; miembros del perianto diferenciados en 2 verticilos; sépalos 5, usualmente vinosos, parcialmente connatos, imbricados, agudos en el ápice (en CR); pétalos 5, alternos a los sépalos, separados, convolutos, glabros (en CR), marcescentes y (usualmente) persistentes; estambres 5, alternos a los pétalos, separados, exertos, los filamentos delicados y comprimidos; anteras con dehiscencia longitudinal, el polen (en CR) del tipo D (ver Correa A. & Silva, 2005: 12, fig. 8C–F); pistilo 1, compuesto; ovario súpero, unilocular; óvulos numerosos; placentación parietal; estilos 3 (en CR), profundamente divididos (en CR). Frs. capsulares, loculicidas, trivalvados (en CR), truncados en el ápice (en CR); semillas numerosas, con endosperma copioso.

  • Provided by: [J].Manual de Plantas de Costa Rica
  • "Pet white, pink, or purple, broadened distally; stamens 4–8, as many as the pet; styles usually 3, bipartite to the base; ovules in 2–5 rows on each placenta; capsule usually 3-valved; testa loose; lf-blades filiform to peltate; stipules scarious, variously fringed or divided, or rarely wanting; infl a sympodial cyme, nodding at the undeveloped tip.100, widespread."

  • Provided by: [I].New York Botanical Garden
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    Morphology

    Placentas 3-5

  • Provided by: [L].Plants Of the World Online Portal - FWTA
    • Source: [
    • 1
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    Stamens the same number as the petals, and alternating with them

  • Provided by: [L].Plants Of the World Online Portal - FWTA
    • Source: [
    • 1
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    Sepals and petals 5 (rarely 4-8)

  • Provided by: [L].Plants Of the World Online Portal - FWTA
    • Source: [
    • 1
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    Herbs with sticky glandular hairs

  • Provided by: [L].Plants Of the World Online Portal - FWTA
    • Source: [
    • 1
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    Seeds small and numerous.

  • Provided by: [C].Plants Of the World Online Portal - FZ
    • Source: [
    • 9
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    Ovary 3–5-carpellary; styles 3–5; ovules on 3–5 parietal placentas.

  • Provided by: [C].Plants Of the World Online Portal - FZ
    • Source: [
    • 9
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    Annual or perennial insectivorous herbs, caulescent or acaulescent, with pseudo-roots on which tubers are sometimes formed.

  • Provided by: [C].Plants Of the World Online Portal - FZ
    • Source: [
    • 9
    • ]. 

    Leaves in a basal rosette or caulescent and alternate, the lamina provided with sticky glands which trap small insects.

  • Provided by: [C].Plants Of the World Online Portal - FZ
    • Source: [
    • 9
    • ]. 

    Inflorescence 1- to many-flowered, racemose or cymose.

  • Provided by: [C].Plants Of the World Online Portal - FZ
    • Source: [
    • 9
    • ]. 

    Sepals, petals and stamens usually 5, rarely 4–8.

  • Provided by: [C].Plants Of the World Online Portal - FZ
    • Source: [
    • 9
    • ]. 

    Inflorescence 1–many-flowered, racemose or cymose

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 10
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    Sepals and petals usually 5, rarely 4 or 8

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 10
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    Mostly perennial herbs

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 10
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    Leaves in a basal rosette or in whorls, the blades provided with sticky glands which in most species are situated towards the margin of the upper surface and which trap small insects

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 10
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    Fruit a capsule with 3–5 valves

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 10
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    Seeds small and numerous.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 10
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    Stamens 5–20

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 10
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    Ovary of 3–5 carpels; styles 3–5

  • Provided by: [D].Plants Of the World Online Portal - FTEA
    • Source: [
    • 10
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    Herbes'vivaces, de petite taille, généralement paludicoles.'Feuilles'glanduleuses, pourvues de tentacules glanduligères irritables; stipules variablement divisées ou nulles.'Cymes simples ou rameuses; androcée isomère; carpelles généralement 3; placentation pariétale.\n\t\t\t\tUn peu plus de 90 espèces.

  • Provided by: [H].Flore d'Afrique Centrale
    • Source: [
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    Habit

    herbs

  • Provided by: [E].Flora de Panama
    • Source: [
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    Distribution

    The genus is cosmopolitan with 100 tropical and temperate species, many in Australia and New Zealand.

  • Provided by: [E].Flora de Panama
    • Source: [
    • 14
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    Literature

    SELECTED REFERENCES Rivadavia, F. et al. 2003. Phylogeny of the sundews, Drosera (Droseraceae), based on chloroplast rbcL and nuclear 18S ribosomal DNA sequences. Amer. J. Bot. 90: 123–130. Shinners, L. H. 1962d. Drosera (Droseraceae) in the southeastern United States: An interim report. Sida 1: 53–59. Sorrie, B. A. 1998b. Distribution of Drosera filiformis and D. tracyi (Droseraceae): Phytogeographic implications. Rhodora 100: 239–260. Wynne, F. E. 1944. Drosera in eastern North America. Bull. Torrey Bot. Club 71: 166–174.

  • Provided by: [G].Flora of North America @ efloras.org
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    • 12
    • ]. 

    Included Species

    Other Local Names

    NameLanguageCountry
    Sundew, catch-fly, dew-threads, droséra, rossolis [Greek droseros, dewy, alluding to glistening glandular trichomes on leaves]

      Bibliography

     Information From

    Droseraceae
    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    MBG Floras Images
    http://www.tropicos.org/ImageSearch.aspx
    Flora images. Missouri Botanical Garden. Accessed on Jun. 2018.
    • B Missouri Botanical Garden
    Plants Of the World Online Portal - FZ
    https://www.kew.org/science/who-we-are-and-what-we-do/strategic-outputs-2020/plants-of-the-world-online
    http://www.plantsoftheworldonline.org/terms-and-conditions
    • C
    Plants Of the World Online Portal - FTEA
    https://www.kew.org/science/who-we-are-and-what-we-do/strategic-outputs-2020/plants-of-the-world-online
    http://www.plantsoftheworldonline.org/terms-and-conditions
    • D
    Flora de Panama
    http://www.tropicos.org/Project/PAC
    Robert E. Woodson, Jr. and Robert W. Schery Annals of the Missouri Botanical Garden Vol. 67, No. 4 (1980), pp. ii-xxxiii
    • E Missouri Botanical Garden
    Flora Of CHina @ efloras.org
    http://www.efloras.org/flora_page.aspx?flora_id=2
    'Flora of China @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=2 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • F Missouri Botanical Garden
    Flora of North America @ efloras.org
    http://www.efloras.org/flora_page.aspx?flora_id=1
    'Flora of North America @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=1 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • G Flora of North America Association
    Flore d'Afrique Centrale
    https://www.floredafriquecentrale.be
    • H http://creativecommons.org/licenses/by/4.0/ Attribution 4.0 International (CC BY 4.0)
    New York Botanical Garden
    Descriptions of plants should be attributed to the full citation for each individual article, chapter or book that is the source for each record, which should include the authors of original publication.
    • I Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    Manual de Plantas de Costa Rica
    http://www.tropicos.org/Project/Costa%20Rica
    Hammel, B. E.; Grayum, M. H.; Herrera, C.; Zamora, N. Manual de Plantas de Costa Rica. Missouri Botanical Garden Press, 2003-2014
    • J Missouri Botanical Garden
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    WD Stevens, CU Ulloa, A Pool and OM Montiel. Missouri Botanical Garden Press, 2001
    • K Missouri Botanical Garden
    Plants Of the World Online Portal - FWTA
    https://www.kew.org/science/who-we-are-and-what-we-do/strategic-outputs-2020/plants-of-the-world-online
    http://www.plantsoftheworldonline.org/terms-and-conditions
    • L The Trustees of the Royal Botanic Gardens, Kew
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • M CC0 1.0 Universal (CC0 1.0).