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Flatpod Idahoa scapigera

 

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Flatpod
credit: Walter Siegmund/CCSA

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Alternate name: Scalepod

Family: Brassicaceae, Mustard view all from this family



Description A tiny plant with a single minute white flower on each stem.
Habit: native annual herb; many thin, leafless, erect stems rise from a basal rosette.
Height: 1-5 in (25-125 mm)
Leaf: basal rosette, stalked, ovate to spatulate, edges sometimes lobed to wavy, 0.3-2 in (7-50 mm) long, 0.1-0.5 in (2-12 mm) wide.
Flower: tiny, terminal, solitary; with 4 white oblong petals, above red-purple calyx.
Fruit: round flat pod, 0.25-0.5 in (6-12 mm) diameter; green drying to papery gray or white.


Flower March to May.


Habitat Open places, commonly where moist early in season: grasslands, sagebrush slopes and scabland, dry ground, rocky volcanic flats and outcrops, open moist slopes and banks, gravelly hills, meadows, rocky hillsides, seepy sunny slopes; 1000-5600 ft (300-1700 m).


Range Native to western North America, from British Columbia south to northern California, northeast to northern Nevada, southern Idaho, and Montana.


Discussion Also known as scale pod, oldstem idahoa. When the two sides of the pod fall away, the silvery edge remains attached to the tip of the flower stalk.


 

 

 

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