Day 257: Silverback is primarily a subalpine species and draws its common name from...wait for it...the silvery, woolly backs of its leaves. The tops of the leaves are nearly smooth, but the undersides are silky and soft to the touch. It is a member of the Asteraceae, a family formerly known as Compositae: plants having inflorescences which are composed of many small flowers. What you see here as round, ball-like blossoms are each composed of a number of smaller blooms called disk flowers. Unlike many other members of the Asteraceae, Luina hypoleuca has no ray flowers (the "petals" you would see surrounding the disk of a sunflower).
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