Droguetia Gaudich.
  • Voy. Uranie 505. 1830.


Cite taxon page as 'WFO (2021): Droguetia Gaudich. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-4000012589. Accessed on: 16 Oct 2021'

General Information

Herbs, without stinging hairs. Stems ascending. Leaves alternate or opposite; stipules persistent, lateral, free; leaf blade ovate, 3-veined or triplinerved, margin serrate; cystoliths punctate. Inflorescences axillary, androgynous (plants monoecious), sessile, glomerules crowded on broad, campanulate, dentate involucre. Male flowers numerous on margin of the involucre; perianth lobe 1, often split and unequally 3-lobed or 3-toothed; stamen 1; rudimentary ovary absent. Female flowers 1 or 2, in center of involucre; perianth absent; staminodes absent. Ovary straight; stigma filiform, papillose-hispid, almost persistent; ovule orthotropous. Achene compressed ovoid, woolly or glabrous, enclosed by involucre. Seeds with endosperm; cotyledons elliptic.

  • Provided by: [C].Flora Of CHina @ efloras.org
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    Morphology

    Flowers in sessile inflorescences, single or few–many together, surrounded by an involucre of fused bracts; inflorescences bisexual or unisexual by abortion (and then usually ♀), axillary and/or in terminal spikes (if each involucre contains only 1(–2) ♀ flowers, the number of involucres in each leaf-axil is usually high)

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    Male flowers ± boat-shaped; perianth cylindrical to conical at the base, open along one side and with a ± erect tip, enclosing 1 at first inflexed, later reflexed stamen; rudimentary ovary absent

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    Female flowers without perianth, consisting of a pistil only; style filiform

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    Achenes enclosed in the persistent involucre.7 species, distributed in tropical and South Africa, Yemen, S. India and Java.

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    Annual or perennial herbs, occasionally subshrubs, with erect or prostrate stems, usually monoecious (or plants with only ♀ flowers by abortion of all bisexual inflorescences)

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    Leaves opposite or alternate, petiolate; cystoliths punctiform; stipules lateral, free

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    Inflorescences of sessile clusters in the leaf axils; clusters either bisexual with few-many flowers surrounded by a common campanulate involucrum of fused bracts or inflorescence clusters of many very small involucres each with 1(2) female flowers (the involucres then appear as perianths).

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    Bisexual involucres usually with many male flowers and 1 -few female flowers (occasionally all the flowers are male); bracts and flowers with long woolly hairs.

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    Male flowers pedicellate, club-shaped; perianth 3-lobed, one lobe apiculate and provided with prominent bristles; stamen 1, inflexed in bud, later reflexed; rudimentary ovary absent.

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    Female flowers naked, pedicellate, consisting of an ovary covered with a woolly tomentum; stigma sessile, filiform; staminodes absent Entirely-female involucres are common on certain individuals, and then much smaller and with much fewer flowers than the bisexual involucres.

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    Slender annual or perennial herbs, occasionally subshrubs, with erect or prostrate stems, monoecious or apparently dioecious (by abortion of all bisexual inflorescences leaving only female flowers).

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    Cystoliths dot-like.

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    Leaves alternate or opposite, petiolate, serrate; stipules lateral, free.

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    Achene enclosed in the persistent involucre, brown, shiny, often crowned by the persistent stigma.

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    Herbes'vivaces ou sous-arbustes, monoïques ou dioïques.'Feuilles'alternes ou opposées, pétiolées, serretées ou crénelées, trinerves, à cystolithes punctiformes; stipules libres, latérales.'Inflorescences'en glomérules axillaires, constituées soit par 2 capitules androgynes pluriflores à involucre cupuliforme ou campanulé, denté sur le bord, et de quelques involucres ♀ 1-2-flores, urcéolés, à orifice étroit, dentelé laissant passer les stigmates, soit par de nombreux involucres ♀.'Fleurs'♂ à périgone en forme de cornet 3-lobé couvert de longs poils, à 1 étamine; fleur ♀ apérianthée, à stigmate filiforme.'Akènes nus ou enveloppés par l'involucre ♀ accrescent.\n\t\t\t\tCinq espèces d'Afrique et d'Indo-Malaisie, dont 2 au Congo belge, dans les montagnes de l'Est.

  • Provided by: [D].Flore d'Afrique Centrale
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     Information From

    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
    • A
    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
    • B
    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.
    • C Missouri Botanical Garden
    Flore d'Afrique Centrale
    https://www.floredafriquecentrale.be
    • D http://creativecommons.org/licenses/by/4.0/ Attribution 4.0 International (CC BY 4.0)
    Urticaceae
    • E CC0 1.0 Universal (CC0 1.0).
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • F CC0 1.0 Universal (CC0 1.0).