The mountain is composed of Shuksan greenschist, oceanic basalt that was metamorphosed when the Easton terrane collided with the west coast of North America, approximately 120 million years ago. The mountain is an eroded remnant of a thrust plate formed by the Easton collision.
Clematis lasiantha (Wikipedia) Clematis lasiantha, the pipestem clematis, is a creamy-white flowering liana vine, belonging to subgenus Clematis of the large genus Clematis.