family Saxifragaceae - a large and diverse family of evergreen or deciduous herbs; widely distributed in northern temperate and cold regions; sometimes includes genera of the family Hydrangeaceaegenus Saxifraga, Saxifraga - type genus of the Saxifragaceae; large genus of usually perennial herbs of arctic and cool regions of northern hemisphere: saxifrage genus Bergenia - genus of perennial spring-blooming rhizomatous herbs with thick evergreen leaves; eastern Asia Boykinia, genus Boykinia - genus of perennial rhizomatous herbs with flowers in panicles; North America; Japan genus Heuchera, Heuchera - genus of North American herbs with basal cordate or orbicular leaves and small panicled flowers genus Mitella, Mitella - genus of low slender herbs of North America and northeastern Asia having flowers with trifid or pinnatifid petals genus Parnassia - genus of bog herbs of arctic and northern temperate regions genus Suksdorfia - small genus of rhizomatous herbs of northwestern America and South America genus Tellima, Tellima - genus of hardy perennials with palmately lobed leaves and long racemes of small nodding five-petaled flowers; western North America genus Tiarella, Tiarella - small genus of North American herbs having mostly basal leaves and slender racemes of delicate white flowers |