United States, California, Napa, Napa County: SW side of Mayacamas Mountain Rd., off west side of St. Helena Rd.
38.502778 -122.620833
38° 30m 10s N; 122° 37m 15s W
140 meters
460ft
Partial shade, flat area. Associated species: Quercus, Poaceae, Arctostaphylos. Perennial from bulb, 10-20 cm tall, head nodding; flower yellow with dark red spots; fruit three-cornered; occasional. | Access Database Number (Deprecated): UCD18372