Geranium thunbergii Siebold ex Lindl. & Paxton
  • Paxtons Fl. Gard.

Cite taxon page as 'WFO (2020): Geranium thunbergii Siebold ex Lindl. & Paxton. Published on the Internet; Accessed on: 10 Jul 2020'

General Information

Perennials. Rootstock vertical, 2-10 mm in diam., not tuberculate, without thickened roots. Stem 20-70 cm tall, trailing or ascending, sometimes rooting at nodes, with 0.3-1.4 mm patent or retrorse appressed nonglandular trichomes and sometimes 0.8-1.3 mm patent glandular trichomes. Stipules lanceolate to subulate, distinct. Leaves opposite; petiole with 0.3-1.2 mm patent to retrorse nonglandular trichomes and sometimes 0.5-1.2 mm patent glandular trichomes; leaf blade 2.4-6.4 cm, palmately cleft, ratio of main sinus/middle segment length = 0.73-0.91, pilose with appressed nonglandular trichomes; segments 5, rhombic, 4-12 mm wide at base, 5-8-lobed in distal half, ratio of second sinus/middle segment length = 0.11-0.21. Cymules solitary, 2-flowered; peduncle 2.2-13.9 cm. Pedicel 0.8-3.3 cm, with 0.2-1 mm patent nonglandular trichomes and usually 0.6-1.1 mm patent glandular trichomes; bracteoles linear-lanceolate. Sepals 5.1-8.1 mm, mucro 0.8-1.9 mm, ratio of mucro/sepal length = 0.12-0.25, outside with 0.1-0.9 mm patent to antrorse nonglandular trichomes and 0.2-1.2 mm patent glandular trichomes, inside glabrous. Petals white or purplish, (6.8-)7.3-8.3(-9) mm, erect to patent, outside glabrous, inside basally with trichomes, margin basally ciliate, apex rounded or retuse. Staminal filaments whitish, lanceolate with an abruptly narrowed apex, abaxially pilose and proximal half ciliate, trichomes 0.1-0.7 mm; anthers bluish, 0.8-1.1 mm. Nectaries 5, hemispheric, glabrous. Stigma pink. Fruit 1.9-2.7 cm, erect when immature; mericarps smooth, with a basal callus, with 0.2-0.7 mm ± patent nonglandular trichomes and 0.6-1.5 mm glandular trichomes; rostrum 1.3-2 cm, with a 0.5-1.8 mm narrowed apex; stigmatic remains 1.6-2.3 mm. Seeds 1.7-2.2 mm. Fl. Apr-Sep, fr. May-Oct. 2n = 28.

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

    Distribution Map

    • Native distribution
    Found in
    • Southern America Brazil Rio de Janeiro
    • São Paulo

     Information From

    Brazilian Flora 2020 project - Projeto Flora do Brasil 2020
    Brazil Flora G (2014): Brazilian Flora 2020 project - Projeto Flora do Brasil 2020. v393.147. Instituto de Pesquisas Jardim Botanico do Rio de Janeiro. Dataset/Checklist. doi:10.15468/1mtkaw
    • A Group Brazil Flora, REFLORA Program
    Flora Of CHina @
    'Flora of China @ eFloras (2008). Published on the Internet [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • B Missouri Botanical Garden
    World Flora Online Data. 2017.
    • C CC0 1.0 Universal (CC0 1.0).
    World Flora Online consortium
    World Flora Online Data. 2018.
    • D CC0 1.0 Universal (CC0 1.0).