Geranium L.
  • Sp. Pl. 2: 676. 1753. (1 May 1753)


Cite taxon page as 'WFO (2021): Geranium L. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-4000015557. Accessed on: 26 Sep 2021'

General Information

Herbs, annual, biennial, or perennial [rarely shrublets or shrubs]. Leaves simple, usually palmately divided or cleft, sometimes entire or pinnately lobed, petiolate. Basal leaves usually forming a rosette. Cauline leaves opposite or alternate. Inflorescence terminal or axillary, cymose, bracteate. Flowers usually paired or occasionally solitary, actinomorphic, rarely somewhat zygomorphic. Sepals 5, imbricate, apex obtuse to caudate. Petals 5, distinct, sometimes clawed, apex rounded, retuse, or emarginate. Stamens 10, in 2 whorls, outer ones opposite to petals, inner ones alternating with petals, all with anthers or very rarely (in G. pusillum) 5 reduced to staminodes. Nectaries usually 5 and alternate with petals, rarely (in G. sinense) united into a ring. Ovary 5-locular, with 2 superposed ovules per locule; style distinctly 5-cleft. Fruit a schizocarp, long beaked, splitting into 5 1-seeded mericarps.

  • Provided by: [B].Flora Of CHina @ efloras.org
    • Source: [
    • 3
    • ]. 

    GERANIUM L.

    Geranium seemannii Peyr., Linnaea 30(1): 66. 1859; G. guatemalense R. Knuth

    Hierbas perennes, escandentes con ramas jóvenes ascendentes, raíces fibrosas a algo leñosas; tallos hasta 2.5 m de largo, moderada a densamente hirsutos, menos así con la edad. Hojas opuestas, con contorno pentagonal, 2.5–6 cm de largo y 2.5–8 cm de ancho, dividida ca 3/4 de su longitud en 3 lobos rómbicos, cada lobo lateral con un lóbulo basal, los lobos moderadamente hendidos y dentados por arriba de la mitad, haz obscura y densamente pilosa, envés más claro, hirsuto a lo largo de los nervios; pecíolos 2–10 cm de largo, moderada a densamente hirsutos. Inflorescencia axilar con 2 flores, pedúnculos 1–5 cm de largo, pilosos, pedicelos 5–20 mm de largo, densamente pilosos a glandulosos cerca del cáliz; sépalos 5, ovado-lanceolados, 6–9 mm de largo y 2–4 mm de ancho, 3-nervios, densamente piloso-glandulares; pétalos 5, obovados, 6–8 mm de largo y 2–4 mm de ancho, lavanda a lila, con nervadura reticulada más obscura, glabros excepto por unos pocos tricomas en la base; anteras 3–7 mm de largo. Frutos 15–25 mm de largo, rostro del estilo 1–2 mm de largo, columna central híspido glandular, mericarpo 2.5–3 mm de largo, hirsuto-glandular; semilla 2- 2.5 mm de largo, café obscura.

    Común en áreas abiertas, alteradas y en bosques nublados, en la zona norcentral; sobre 1000 m; fl y fr durante todo el año; Araquistain 2140, Stevens 5523; México hasta Panamá. Un género con 250 especies distribuido en las zonas templadas y altas en los trópicos.

  • Provided by: [A].Flora de Nicaragua
    • Source: [
    • 4
    • ]. 

    Hierbas erectas a rastreras. Hojas alternas, opuestas o aglomeradas; lámina conspicuamente inciso-lobulada (en CR). Infls. axilares, cimosas, corimbosas o umbeliformes, de 1–3(–7) fls. Fls. actinomorfas; sépalos que no forman un tubo o espuela nectarífero; pétalos generalmente blancos a rosados o lila, con líneas más oscuras, obovados (en CR); estambres 10, todos fértiles. Frs. con las divisiones del estilo casi glabras internamente.

  • Provided by: [G].Manual de Plantas de Costa Rica
    • Source: [
    • 6
    • 5
    • ]. 

    "Pet obovate to obcordate; stamens 10, usually all with anthers (some staminodial in G. pusillum); filaments usually broadened below; stigmas 5, linear; each carpel-body (the basal, thickened portion of the carpel, filled by a seed) prolonged at maturity into a long, slender beak, these covering and adnate to the stylar column, which may project beyond the thickened portion as a slender stylar beak; carpel-bodies and their beaks typically separating acropetally from the stylar column at maturity, becoming outwardly coiled, the tip of the carpel-beak commonly remaining attached to the column at the summit, the carpel-body persistent at the basal (reflexed) end of its beak and opening ventrally to eject its seed, or sometimes the carpel-body disarticulating from its beak and separately deciduous; herbs with palmately lobed to divided or even compound lvs, the cauline ones chiefly opposite; fls pink or purple to white, commonly pedicellate in pairs at the end of axillary branches or peduncles. 300, cosmop."

  • Provided by: [H].New York Botanical Garden
    • Source: [
    • 7
    • ]. 

    Morphology

    Herbes , rarement sous-arbustes ou arbustes.'Feuilles'opposées ou alternes, palmatilobées ou palmatipartites.'Inflorescences'1-2-flores.'Fleurs'actinomorphes; sépales 5, imbriqués; pétales 5, imbriqués; glandes 5, alternant avec les pétales; étamines 10, toutes portant des anthères ou rarement 5 sans anthères, à filets libres ou soudés à la base; ovaires 5-loculaires, à 5 stigmates; chaque loge à 2 ovules superposés.'Fruits'se décomposant en 5 méricarpes, souvent attachés au sommet de la columelle par l'extrémité du bec enroulé en spirale.'Graine 1 par méricarpe.\n\t\t\t\tEnviron 300 espèces dans les régions à climat tempéré et les montagnes des régions tropicales; 5 espèces et 1 variété dans l'Est du Congo belge.

  • Provided by: [C].Flore d'Afrique Centrale
    • Included Species

       Information From

      Flora de Nicaragua
      http://www.tropicos.org/projectwebportal.aspx?projectid=7&pagename=Home&langid=66
      WD Stevens, CU Ulloa, A Pool and OM Montiel. Missouri Botanical Garden Press, 2001
      • A 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.
      • B Missouri Botanical Garden
      Flore d'Afrique Centrale
      https://www.floredafriquecentrale.be
      • C http://creativecommons.org/licenses/by/4.0/ Attribution 4.0 International (CC BY 4.0)
      Geraniaceae
      World Flora Online Data. 2017.
      • D 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.
      • E Missouri Botanical Garden
      • F Missouri Botanical Garden
      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
      • G Missouri Botanical Garden
      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.
      • H Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
      World Flora Online consortium
      http://www.worldfloraonline.org/organisation/WFO
      World Flora Online Data. 2018.
      • I CC0 1.0 Universal (CC0 1.0).