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Plant Database

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Idahoa scapigera

Idahoa scapigera (Hook.) A. Nelson & J.F. Macbr.

Flatpod, Oldstem Idahoa

Brassicaceae (Mustard Family)



USDA Native Status: L48 (N), CAN (N)

A tiny plant with a basal rosette of leaves and several slender, leafless stems, each tipped with 1 minute white flower or a round, flat, green pod.

When the two sides of the pod fall away, the silvery partition remains attached to the tip of the flower stalk.


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Plant Characteristics

Duration: Annual
Habit: Herb

Bloom Information

Bloom Color: White
Bloom Time: Feb , Mar , Apr


USA: CA , ID , MT , NV , OR , WA
Canada: BC
Native Distribution: Eastern Washington south to northern California, northern Nevada, and southern Idaho.
Native Habitat: Open places in grasslands or sagebrush, commonly where moist early in season.

Additional resources

USDA: Find Idahoa scapigera in USDA Plants
FNA: Find Idahoa scapigera in the Flora of North America (if available)
Google: Search Google for Idahoa scapigera


Record Modified: 2007-01-01
Research By: TWC Staff

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