Caulostramina
Encyclopedia
Caulostramina is a monotypic plant genus in the mustard family
Brassicaceae
Brassicaceae, a medium sized and economically important family of flowering plants , are informally known as the mustards, mustard flowers, the crucifers or the cabbage family....

 containing the single species Caulostramina jaegeri, which is known by the common name cliffdweller.

The cliffdweller is a rare plant endemic to Inyo County, California
Inyo County, California
-National protected areas:* Death Valley National Park * Inyo National Forest * Manzanar National Historic Site-Major highways:* U.S. Route 6* U.S. Route 395* State Route 127* State Route 136* State Route 168* State Route 178...

, where it is found only in the White
White Mountains (California)
The White Mountains of California are a triangular fault block mountain range facing the Sierra Nevada across the upper Owens Valley. They extend for approximately as a greatly elevated plateau about wide on the south, narrowing to a point at the north, with elevations generally increasing...

 and Inyo Mountains
Inyo Mountains
The Inyo Mountains are a short mountain range east of the Sierra Nevada mountains in eastern California in the United States. The range separates the Owens Valley to the west with Saline Valley to the east, extending for approximately 70 mi SSE from the southern end of the White Mountains,...

. This plant grows on rocky mountainsides and sprouts from cliffs.

Caulostramina jaegeri is a hardy woody perennial herb bearing hairless green leaves and white to pale purple flowers with spoon-shaped, purple-streaked petals. The seeds are borne in cylindrical fruits.

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