Hypericum punctatum Lam.
  • Encycl.
  • Spotted St. John’s wort


Cite taxon page as 'WFO (2021): Hypericum punctatum Lam. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000728173. Accessed on: 28 Sep 2021'

General Information

Herbs erect to ascending, with rarely rooting, branching base, 1.3–10.5 dm. Stems , internodes not lined, with black glands scattered all over. Leaves spreading or ascending, usually sessile, rarely petiolate (to 1 mm); blade elliptic or oblong to lanceolate or triangular-lanceolate, or oblanceolate, 14–40(–58) × 3–17(–22.5) mm, base cordate to narrowly cuneate, margins plane, apex usually rounded to retuse, rarely acute to obtuse, midrib with 3–5 pairs of branches, , black glands intramarginal (dense) and laminar (scattered). Inflorescences subcorymbiform to cylindric, 10–206(–600)-flowered, . Flowers 8–15 mm diam.; sepals not imbricate, erect in fruit, lanceolate or oblong-lanceolate to elliptic or ovate-elliptic, subequal, (1.5–)2–4 × 0.8–1.6 mm, apex acute to rounded; petals pale yellow, oblanceolate to elliptic, 3–6(–9) mm; stamens (20–)30–60; anther gland black; styles 1–4 mm. Capsules ovoid to subglobose, 2.5–6 × 2–3.5(–4) mm, with longitudinal vittae or elongate to ovoid vesicles. Seeds not carinate, 0.5–0.7 mm; testa linear-reticulate. 2n = 14, 16.

  • Provided by: [A].Flora of North America @ efloras.org
    • Source: [
    • 1
    • ]. 

    "Erect perennial 5–10 dm, with few branches below the infl; lvs oblong-elliptic to narrowly oblong, the larger 4–6 cm and over 1 cm wide, blunt or even retuse; infl usually small, crowded; fls short-pediceled, 8–15 mm wide; sep heavily dotted and lined with black, ovate-oblong, obtuse or broadly acute, 2.5–4 mm; pet 4–7 mm, copiously beset with amber glands; seeds under 1 mm; 2n=16. Moist or dry soil, fields, and open woods; Que. to Minn., s. to Fla., Miss., and Okla. June–Aug. (H. subpetiolatum)"

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

    Other Local Names

    NameLanguageCountry
    Spotted St. John’s wort

      Bibliography

     Information From

    Flora of North America @ efloras.org
    http://www.efloras.org/flora_page.aspx?flora_id=1
    'Flora of North America @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=1 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • A Flora of North America Association
    Hypericaceae
    • 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
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • D CC0 1.0 Universal (CC0 1.0).