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{{SPlantbox
|familia=Hydrangeaceae
|genus=Jamesia
|Temp Metric=°F
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'''''Jamesia''''' is a [[genus]] of [[shrub]]s in the [[Hydrangeaceae]], most commonly known as '''Jamesia''', '''Cliffbush''' or '''Waxflower'''. It is native to interior western [[North America]], in the [[United States|U.S.]] states of [[Arizona]], [[California]], [[Colorado]], [[Nevada]], [[New Mexico]], [[Utah]], and [[Wyoming]], growing in [[mountain]]s at 1600-3000 m altitude.

There is just one [[species]], ''J. americana'', though some [[botanist]]s treat it as two separate species, the second being ''J. tetrapetala'' (Fourpetal Cliffbush; with the narrow sense ''J. americana'' then known as Fivepetal Cliffbush). 

It is a shrub growing to 1-2 m tall and to 3 m or more broad, with opposite simple [[leaf|leaves]] 3-7 cm long and 2-5 cm broad, with a serrated margin and a crinkled surface. The [[flower]]s are produced in  erect terminal [[panicle]]s, each flower white, 15-20 mm diameter, with five (rarely four) petals. The [[fruit]] is a dry [[capsule (fruit)|capsule]] with numerous small [[seed]]s.

{{Inc|
Jamesia (after its discoverer, Dr. Edwin James, 1797-1861, botanical explorer of the Rocky Mountains). Syn., Ediolnia. Sarifragaceae. Low hardy shrub of upright habit, with deciduous, opposite leaves, and white flowers in terminal, short panicles.

Leaves without stipules, petioled, serrate: calyx-lobes and petals 5; stamens 10; styles usually 3, rarely 4 or 5, slender; ovary superior, 1-celled: fr. a 3-5- valved, many - seeded, dehiscent caps.—One species in the Rocky Mts. from Utah to New Mex. Handsome shrub for borders of shrubberies or rocky slopes in sunny situations, thriving in any well-drained garden soil, best in a peaty and sandy one. Prop, by seeds or by cuttings of ripened wood.
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