Penthorum L.
  • Sp. Pl. 1: 432. 1753. (1 May 1753)
  • Ditch-stonecrop [Greek pente, five, and horos, limit or landmark, alluding to 5-merous flower]


Cite taxon page as 'WFO (2021): Penthorum L. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-4000028657. Accessed on: 28 Sep 2021'

General Information

Plants rhizomatous or stoloniferous. Stems decumbent or ascending to erect, glabrous proximally, stipitate-glandular distally. Leaf blades elliptic-lanceolate to oblanceolate, base acuminate, apex acuminate. Inflorescences pedunculate, branches stipitate-glandular. Pedicels present, stipitate-glandular. Flowers: hypanthium stipitate-glandular; sepals green or reddish, triangular to narrowly triangular; petals inconspicuous, white or greenish white; filaments white, yellow, or pink, glabrous; anthers yellow or pink. Seeds minutely tuberculate. x = 8 or 9.

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

    Herbs perennial, erect, fibrous rooted. Stems terete, glabrous proximally to finely pubescent and widely branched distally. Leaves alternate, shortly petiolate; leaf blade lanceolate or narrowly so, thin, apex long acuminate. Flowers numerous, arranged in terminal and axillary, scorpioid (or corymblike) cymes, bisexual, yellow-green, small. Sepals 5(-8). Petals 5(-8) or absent. Stamens 10(-16), in 2 whorls. Carpels 5(-8), connate near base; ovules many; styles short. Capsule 5(-8)-lobed; carpels rostrate at apex. Seeds many, small.

  • Provided by: [C].Flora Of CHina @ efloras.org
    • Source: [
    • 2
    • ]. 

    "Fls perfect; sep 5(–7); pet small or more often wanting; stamens 10; carpels 5(–7), united nearly to the middle, abruptly narrowed to the short styles, divergent at maturity, forming an angularly 5(–7)-lobed, 5(–7)-locular capsule with horn-shaped lobes, eventually opening by abscission of the lobes; each carpel with a pluriovulate ventral (marginal) placenta just above the united part of the ovary; perennial rhizomatous herbs with erect stems, alternate, serrulate lvs, and a terminal 2–4-branched cyme of secund greenish fls. Sometimes referred to the Crassulaceae. 3, e. N. Amer., e. Asia."

  • Provided by: [B].New York Botanical Garden
    • Source: [
    • 3
    • ]. 

    Other Local Names

    NameLanguageCountry
    Ditch-stonecrop [Greek pente, five, and horos, limit or landmark, alluding to 5-merous flower]

     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
    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.
    • B Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    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.
    • C Missouri Botanical Garden
    Penthoraceae
    World Flora Online Data. 2017.
    • D CC0 1.0 Universal (CC0 1.0).
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • E CC0 1.0 Universal (CC0 1.0).