Skip Navigation
Sign In
  • Home
  • Search
    • Search Collections
    • Map Search
  • Chicago Botanic Garden
    • Project Information
    • Checklists
    • Create a Checklist
    • Dynamic Key
  • Denver Botanic Gardens
    • Project Information
    • Checklists
    • Create a Checklist
    • Dynamic Key
  • Desert Botanical Garden
    • Project Information
    • Checklists
    • Create a Checklist
    • Dynamic Key
  • NY Botanical Garden
    • Project Information
    • Checklists
    • Create a Checklist
    • Dynamic Key
  • Marie Selby Botanical Gardens
    • Project Information
    • Checklists
    • Create a Checklist
    • Dynamic Key
  • Sitemap

Anulocaulis annulatus

Anulocaulis annulatus (Coville) Standl.  
Family: Nyctaginaceae
Valley Ringstem
Anulocaulis annulatus image
  • FNA
  • Resources
Richard W. Spellenberg in Flora of North America (vol. 4)
Herbs, stout perennial. Stems 0.5-2 m. Leaves: 4-6 pairs proximal to inflorescence; petiole 1-7 cm; blade broadly ovate to almost reniform, 2-10 × 2-9.5 cm, base broadly rounded to truncate or cordate, apex rounded to broadly obtuse, adaxial surface yellow-green, abaxial surface much paler, both surfaces moderately villous-hirsute, hairs with dark brown to blackish pustulate bases. Flowers 5-15 in umbel-like clusters on branches of inflorescence; perianth 9-10 mm, tube very pale pink to rose-pink, densely shaggy-hairy, limbs very pale pink to rose-pink, gradually flared; stamens 3, exserted 1-2 mm. Fruits broadly fusiform, 3.5-6 × 2.1-2.7 mm, not secreting mucilage when wetted; ribs 10, well defined, linear, low, narrow; equatorial ridge absent or occasionally low, linear, and incomplete. 2n = 24.

Flowering late winter-late summer, occasionally mid fall. Dry, gravelly outwash fans, talus slopes, roadsides; 70-1200 m; Calif.
Anulocaulis annulatus
Open Interactive Map
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Anulocaulis annulatus image
Click to Display
45 Total Media
Institute for Museum and Library Services KU BI Logo Logo for the Biodiversity Knowledge Integration Center

This project was made possible in part by the Institute of Museum and Library Services [MG-70-19-0057-19].

EcoFlora is part of the SEINet Portal Network. Learn more here.

Powered by Symbiota.