Isopyrum L.
  • Sp. Pl. 1: 557. 1753. (1 May 1753)

Cite taxon page as 'WFO (2021): Isopyrum L. Published on the Internet; Accessed on: 21 Oct 2021'

General Information

Herbs perennial. Stem erect, smooth, glabrous. Leaves 2 × ternately compound. Basal leaves abaxially pale green, adaxially green. Stem leaves shortly petiolate; petiole sheathed; sheath white, membranous. Inflorescences panicled or cymose; bracts 1 or 2 × ternately compound, 3-lobed, or 3-sect. Flowers radially symmetric, small. Pedicel slender. Sepals 5, white, petaloid. Petals 5, much smaller than sepals, basally tubulose or shallowly scrotiform and shortly clawed. Stamens 20--30; filaments sublinear, 1-veined; anthers yellow, broadly ellipsoid. Pistils 1--5, free, erect, narrowly ovate; ovules numerous, arranged in 2 rows on ventral suture. Follicles 1--5, ellipsoid-ovoid, flat, horizontally veined, apically with a curved beak. Seeds numerous, black to blackish, ovoid to ellipsoid, smooth.

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

    "Sep mostly 5, petaloid; pet none; staminodes in ours none; stamens numerous, the filaments narrowly clavate; pistils few; fr follicular; perennial herbs with basal and alternate cauline, 1–3-ternately compound lvs and 1–few white fls terminating the stem or on axillary peduncles. 25, N. Temp."

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


     Information From

    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.
    • A Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    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
    • 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).