All Floras      Search Specimen
Login | eFloras Home | Help
IBSC | Family List | Angiospermae | Boraginaceae

Mertensia Roth

滨紫草属

Description from Flora of China

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.

About 15 species: Asia, E and NW Europe, North America; six species in China.


 

Related Objects  

Flora of China  
  • PDF File
  • PDF

    IBSC @ efloras.org
    Browse by
    Family
    Genera
    Search by name

    Specimen Search

    People @ IBSC

     

     

     |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |