Mertensia Roth
  • Catal. Bot. 1: 34–35. 1797.

Cite taxon page as 'WFO (2021): Mertensia Roth. Published on the Internet; Accessed on: 21 Jun 2021'

General Information

Herbs perennial, glabrous or pubescent, with thin rhizomes. Basal leaves usually withering early, ovate; stem leaves alternate. Cymes terminal, several flowered, becoming racemelike, ebracteate. Flowers pedicellate. Calyx 5-cleft or 5-parted, shorter than corolla tube; lobes lanceolate to ovate, not changing much in fruit. Corolla funnelform, usually sky blue or blue; throat with transverse folds or scalelike appendages; lobes spreading, ovate to oblong or semiorbicular, apex obtuse. Stamens inserted between appendages or slightly below; filaments short, filiform or ligulate; anthers oblong to ovate, longer than filaments, exserted. Ovary 4-parted. Style filiform, exserted from corolla. Gynobase conical. Nutlets tetrahedral, glabrous; adaxially sharp, sometimes nearly winged on keel; abaxially convex, wrinkled, tuberculate, rarely narrowly winged along margin; attachment scar at base adaxially.

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

    "Cor tubular, funnelform, or campanulate, with a definite distinction between tube and limb, the tube short or elongate, the limb shallowly lobed; stamens inserted at the summit of the cor-tube (in ours), included or barely exsert; nutlets smooth or often wrinkled, attached laterally to the gynobase; leafy perennials with blue (pink or white) fls in modified, bractless, mostly small cymes ending the stem and branches. 35–40, N. Amer. and extratropical Eurasia."

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


     Information From

    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    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
    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