Geranium pusillum L.
  • Syst. Nat. ed. 10

Cite taxon page as 'WFO (2020): Geranium pusillum L. Published on the Internet; Accessed on: 21 Oct 2020'

General Information

Annuals. Stem 10-50 cm tall, erect or decumbent, not rooting at nodes, with 0.1-0.3 mm patent nonglandular trichomes and 0.1-0.2 mm patent glandular trichomes. Stipules lanceolate, distinct. Leaves opposite; petiole with 0.1-0.3 mm patent nonglandular trichomes and 0.1-0.2 mm patent glandular trichomes; leaf blade 1.5-3.8 cm, palmately cleft, ratio of main sinus/middle segment length = 0.3-0.75, pilose with appressed nonglandular trichomes; segments 5, obtriangular, 2-4 mm wide at base, 3(-5)-lobed at apex, ratio of second sinus/middle segment length = 0.16-0.29. Cymules solitary, 2-flowered; peduncle 0.5-3.2 cm. Pedicel 0.6-1.6 cm, with 0.1-0.3 mm patent nonglandular trichomes and 0.1-0.2 mm patent glandular trichomes; bracteoles linear-lanceolate. Sepals 3-4.5 mm, mucro ca. 0.1 mm, ratio of mucro/sepal length = 0.02-0.03, outside with 0.6-1 mm patent nonglandular trichomes and 0.2-0.5 mm ± patent nonglandular and glandular trichomes, outside glabrous. Petals pale purple, 2-3 mm, erect to patent, both surfaces glabrous, margin basally ciliate, apex emarginate with a 0.2-0.5 mm notch. Stamens external whorl lacking anthers and reduced to 5 staminodes; filaments white, lanceolate, abaxially pilose and proximal half ciliate, trichomes 0.1-0.2 mm; anthers purplish, ca. 0.3 mm. Nectaries 5, hemispheric, glabrous. Stigma yellowish. Fruit 0.9-1.1 cm, erect when immature; mericarps smooth, without a basal callus, with to 0.2 mm appressed nonglandular trichomes, base with a few cilia; rostrum 7-9 mm, without a narrowed apex; stigmatic remains 0.5-0.7 mm. Seeds 1.7-1.8 mm. Fl. Jun-Jul, fr. Aug-Oct. 2n = 26.

  • Provided by: [A].Flora Of CHina @
    • Source: [
    • 1
    • ]. 

    "Diffusely branched annual or biennial, spreading or ascending, to 5 dm; basal lvs long-petioled, the rotund, 3–6 cm blade deeply 7–9-cleft with cuneate divisions palmately lobed at the summit; upper lvs progressively reduced; fls numerous on densely but minutely glandular pedicels; sep acute or shortly mucronate, 2.5–4 mm at anthesis, ± hirsute, especially at the margins, nearly as long as the retuse pet; 3–5 outer stamens lacking anthers; fr, including the cal, 9–12 mm, the stylar beak very short or none, the carpel-bodies strigillose, not wrinkled; seeds smooth; 2n=26. Native of Europe, established as a weed in fields and waste places from N. Engl. to B.C., s. to N.C., Ark., and Oreg. All summer."

  • Provided by: [C].New York Botanical Garden
    • Source: [
    • 2
    • ]. 


     Information From

    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.
    • A Missouri Botanical Garden
    World Flora Online Data. 2017.
    • B CC0 1.0 Universal (CC0 1.0).
    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.
    • C Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    World Flora Online consortium
    World Flora Online Data. 2018.
    • D CC0 1.0 Universal (CC0 1.0).