Helianthemum Mill.
  • Gard. Dict. Abr. (ed. 4) vol. 2. 1754. (28 Jan 1754)


Cite taxon page as 'WFO (2020): Helianthemum Mill. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-4000017201. Accessed on: 06 Jun 2020'

General Information

Shrubs or subshrubs, rarely perennial or annual herbs. Leaves opposite or upper ones alternate, stipulate or estipulate. Flowers solitary or inflorescences cymose, racemose, corymbose, or headlike, sometimes paniculate, few- to many-flowered. Sepals 5; outer 2 ca. 1/2 size of inner 3; inner 3 subequal, 3-6-veined, accrescent in fruit. Petals 5, yellow, orange-yellow, or pink. Styles filiform; stigmas large, capitate. Capsule 3-angled, 3-valved, 1-loculed or imperfectly 3-loculed. Seeds many.

  • Provided by: [E].Flora Of CHina @ efloras.org
    • Source: [
    • 1
    • ]. 

    HELIANTHEMUM Mill.

    Helianthemum pringlei S. Watson, Proc. Amer. Acad. Arts 23: 268. 1888; Halimium pringlei (S. Watson) Grosser.

    Subarbustos escasamente ramificados, hasta 35 cm de alto, surgiendo de un cáudice leñoso; tallos muy delgados, menudamente tomentuloso-estrellados y gris pálidos. Hojas oblanceolado-oblongas a estrechamente espatuladas, 0.6–2.5 cm de largo y 0.3–1 cm de ancho, gris pálidas y tomentuloso-estrelladas; sésiles o casi sésiles. Flores dispersas a lo largo de las partes superiores de las ramas, tanto petalíferas como cleistógamas presentes, pedicelos hasta 1.5 cm de largo; sépalos de las flores petalíferas 5, los 2 externos lineares, 2–4 mm de largo, los 3 internos ovalados, 5–8 mm de largo; pétalos 5, 9–12 mm de largo, efímeros, amarillos; flores petalíferas casi el doble en tamaño que las cleistógamas. Cápsula 5–7 mm de largo.

    Poco común, bosques de pino-encinos, zona norcentral; 1150–1400 m; fl y fr may–ago; Stevens 10156, 17961; México a Nicaragua. Un género con ca 100 especies, principalmente distribuido desde la región del Mediterráneo al este y centro de Asia.

  • Provided by: [D].Flora de Nicaragua
    • Source: [
    • 2
    • ]. 

    "Sep 5, but the outer 2 much narrower (and often shorter) than the inner and often partly or largely adnate to them; pet 5 in the first fls of the season, convolute in bud, yellow, fugacious, the later fls in our spp. mostly cleistogamous and apetalous; stamens 10–50 or more in open fls, (3)4–6(–8) in cleistogamous ones; style in ours shorter than the ovary, to ca 1 mm, with a capitate stigma, or the stigma virtually sessile; placentas membranous- intruded; embryo curved into a hook, or ring or ± circinate; perennial herbs (ours), or small shrubs with well developed but relatively small and narrow, alternate (ours), short-petiolate or virtually sessile lvs and stellate-hairy herbage, the frs glabrous. (Crocanthemum) 100, widespread."

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

    Included Species

      Bibliography

     Information From

    Cistaceae
    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    MBG Floras Images
    http://www.tropicos.org/ImageSearch.aspx
    Flora images. Missouri Botanical Garden. Accessed on Jun. 2018.
    • B Missouri Botanical Garden
    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
    Flora de Nicaragua
    http://www.tropicos.org/projectwebportal.aspx?projectid=7&pagename=Home&langid=66
    WD Stevens, CU Ulloa, A Pool and OM Montiel. Missouri Botanical Garden Press, 2001
    • D Missouri Botanical Garden
    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.
    • E Missouri Botanical Garden
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • F CC0 1.0 Universal (CC0 1.0).