Gesneriaceae Rich. & Juss.
  • Essai Propr. Méd. Pl., ed. 2 192. 1816. (11 May 1816)


Cite taxon page as 'WFO (2020): Gesneriaceae Rich. & Juss. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-7000000247. Accessed on: 31 Mar 2020'

General Information

Herbs, shrubs, or rarely trees. Leaves opposite or rarely alternate, whorled or basal, rosette forming; exstipulate; usually simple, rarely shallowly to deeply lobed, pinnately or rarely palmately veined. Inflorescences usually cymes, rarely racemes, axillary, often near apex and appearing terminal; usually pedunculate. Flowers perfect, zygomorphic, seldom actinomorphic. Calyx actinomorphic, rarely zygomorphic; usually (4 or)5-divided. Corolla gamopetalous, zygomorphic, rarely actinomorphic; usually 2-lipped. Fertile stamens 2 or 4, then often didynamous, rarely 5, epipetalous; anthers free or coherent, thecae 2, parallel, divergent, or divaricate; staminodes 1-3 or absent. Disc ringlike to cupular, rarely absent. Ovary superior in all Old World taxa [half inferior, or inferior], 1-loculed; gynophore seldom present; placentas (1 or)2, parietal, rarely 2-loculed, placenta 1 per locule and axile; ovules numerous, anatropous. Style 1; stigmas 1 or 2. Fruit usually capsular, loculicidal, septicidal, or circumscissile, rarely a berry, indehiscent. Seeds numerous, fusiform to ellipsoid or ovoid, minute, sometimes with appendages at 1 or both ends, with or without endosperm; embryo straight, cotyledons equal or unequal after germination.

  • Provided by: [B].Flora Of CHina @ efloras.org
    • Source: [
    • 2
    • ]. 

    Morphology

    Seeds numerous, small, more or less ellipsoid, sometimes tailed with hair-like appendages at either end; endosperm absent or very slight

  • Provided by: [A].Plants Of the World Online Portal - FWTA
    • Source: [
    • 1
    • ]. 

    Fruit a capsule (often linear, sometimes spirally twisted) or a more or less fleshy berry

  • Provided by: [A].Plants Of the World Online Portal - FWTA
    • Source: [
    • 1
    • ]. 

    Acaulescent or caulescent herbs, or rarely shrubs

  • Provided by: [A].Plants Of the World Online Portal - FWTA
    • Source: [
    • 1
    • ]. 

    Ovules numerous

  • Provided by: [A].Plants Of the World Online Portal - FWTA
    • Source: [
    • 1
    • ]. 

    Ovary superior, 1-celled with 2 parietal bilamellate placentas, occasionally 2-celled by their union centrally

  • Provided by: [A].Plants Of the World Online Portal - FWTA
    • Source: [
    • 1
    • ]. 

    Flowers hermaphrodite (very rarely unisexual) often protandrous, usually zygomorphic, often large and showy, sometimes cleistogamous with reduced corolla

  • Provided by: [A].Plants Of the World Online Portal - FWTA
    • Source: [
    • 1
    • ]. 

    Inflorescence generally of open axillary cymes, the flowers at each dichotomy being paired and opening serially; occasionally much congested and sub-capitate, or pseudoracemose

  • Provided by: [A].Plants Of the World Online Portal - FWTA
    • Source: [
    • 1
    • ]. 

    Leaves opposite (rarely alternate), those of a pair equal or unequal; plants sometimes 1-foliate and the leaf cotyledonary in origin

  • Provided by: [A].Plants Of the World Online Portal - FWTA
    • Source: [
    • 1
    • ]. 

    Disk annular or cup-like, often lobed or undulate, rarely oblique

  • Provided by: [A].Plants Of the World Online Portal - FWTA
    • Source: [
    • 1
    • ]. 

    Stamens rarely 5, usually 4 or 2, inserted on corolla-tube; anthers free or variously connate, 2-celled, opening lengthwise

  • Provided by: [A].Plants Of the World Online Portal - FWTA
    • Source: [
    • 1
    • ]. 

    Corolla gamopetalous with distinct tube, often 2-lipped, proportion of lobes to tube variable; lobes imbricate, and adaxial pair often interior

  • Provided by: [A].Plants Of the World Online Portal - FWTA
    • Source: [
    • 1
    • ]. 

    Calyx tubular and 5-lobed or divided to the base or 3 upper lobes only united

  • Provided by: [A].Plants Of the World Online Portal - FWTA
    • Source: [
    • 1
    • ]. 

    Included Genus

     Information From

    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
    • A The Trustees of the Royal Botanic Gardens, Kew
    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.
    • B Missouri Botanical Garden
    Gesneriaceae
    World Flora Online Data. 2017.
    • C CC0 1.0 Universal (CC0 1.0).
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • D CC0 1.0 Universal (CC0 1.0).