Adenocaulon bicolor
A distinctive asteracid with large, conspicuously stipitate-glandular achenes produced by the ray florets. Common in the Sierra Nevada and northern US, not occurring in the southwest proper.
A pseudanthium on Hall's Ranch Trail in the northern Sierra Nevada, 8/3/06.
Old pseudanthium with mature achenes on Hall's Ranch Trail, 8/3/06.
Plant habit, Hall's Ranch Trail, 8/3/06.
Lower cauline leaves, Hall's Ranch Trail, 8/3/06.