Sphenosciadium capitellatum

A distinctive species of the Sierra Nevada and nearby areas of the northwest, with headlike secondary umbels.

Inflorescences at Deadman Flat on the eastern slope of the Sierra Nevada, 29 Jul 2006.

Upper cauline leaves at Deadman Flat, 29 Jul 2006.

Inflorescences at Deadman Flat, 29 Jul 2006.

Closer view of a secondary umbel at Deadman Flat, 29 Jul 2006.