Aniseroot
Osmorhiza longistylis

Aniseroot (Osmorhiza longistylis) Other common names: Longstyle Sweetroot, Smoother Sweet Cicely

Other scientific names: Myrrhis longistylis, Osmorhiza aristata, Washingtonia longistylis

French names: Osmorhize à long style

Family: Parsley Family (Apiaceae)

Similar species:
  •   Sweet Cicely (Osmorhiza claytonii) - Very similar, but has fuzzy stems.

  •   Honewort (Cryptotaenia canadensis) - Smaller flowers.

  •   Water Hemlock (Cicuta maculata) - Similar flowers; grows in wet areas; deadly poisonous.

  •   Water Parsnip (Sium suave) - Similar flowers; grows in wet ares.
  •   Wild Chervil (Anthriscus sylvestris) - Seeds have curly tips.

Flowers: Summer;  White;  5 parts (petals)

Leaves: Alternate, Compound, Toothed

Habitat: Forests

Books: Newcomb's Wildflower Guide: 224    ROM Field Guide to Wildflowers of Ontario: 129   

Native/Non-native: Native

Origin and Meaning of Names:
 Scientific Name: longistylis: with long styles


For more information visit: Ontario Wildflowers

Photographs: 135 photographs available, of which 7 are featured on this page. SCROLL DOWN FOR PHOTOGRAPHS.

Range Map is at the bottom of the page

Aniseroot (Osmorhiza longistylis)

Overall flower cluster (umbel). This is the typical shape for much of the Parsley Family.

Aniseroot (Osmorhiza longistylis)

Flower umbel.

Aniseroot (Osmorhiza longistylis)

Closeup of individual flowers.

Aniseroot (Osmorhiza longistylis)

Leaves. They closely resemble those of Sweet Cicely (Osmorhiza claytonii).

Aniseroot (Osmorhiza longistylis)

Smooth stem, vs. the fuzzy stem of Sweet Cicely.

Aniseroot (Osmorhiza longistylis)

Seed pods forming.

Aniseroot (Osmorhiza longistylis)

An individual seed pod.


Range map for Aniseroot (Osmorhiza longistylis)

PLEASE NOTE: A coloured Province or State means this species occurs somewhere in that Province/State.
The entire Province/State is coloured, regardless of where in that Province/State it occurs.

(Range map provided courtesy of the USDA website and is displayed here in accordance with their Policies)

 

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