''Holodiscus'' is a genus of

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

s in the family

Rosaceae Rosaceae (), the rose family, is a medium-sized family of flowering plants that includes 4,828 known species in 91 genera. The name is derived from the type genus ''Rosa''. Among the most species-rich genera are ''Alchemilla'' (270), ''Sorbus ...

, native to the

Americas The Americas, which are sometimes collectively called America, are a landmass comprising the totality of North and South America. The Americas make up most of the land in Earth's Western Hemisphere and comprise the New World. Along with th ...

, from southwestern

British Columbia British Columbia (commonly abbreviated as BC) is the westernmost province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include rocky coastlines, sandy beaches, ...

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...

and the western

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

south to

Bolivia , image_flag = Bandera de Bolivia (Estado).svg , flag_alt = Horizontal tricolor (red, yellow, and green from top to bottom) with the coat of arms of Bolivia in the center , flag_alt2 = 7 × 7 square p ...

.USDA Germplasm Resources−GRIN: ''Holodiscus''
/ref> The species are

deciduous In the fields of horticulture and Botany, the term ''deciduous'' () means "falling off at maturity" and "tending to fall off", in reference to trees and shrubs that seasonally shed leaves, usually in the autumn; to the shedding of petals, aft ...

shrub A shrub (often also called a bush) is a small-to-medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees ...

s, growing to tall.

Species

Seven to ten species are accepted by different authors, including: *'' Holodiscus australis'' western US (New Mexico; included in ''H. discolor'' b
USDA
*''

Holodiscus argenteus ''Holodiscus'' is a genus of flowering plants in the family Rosaceae, native to the Americas, from southwestern British Columbia, Canada and the western United States south to Bolivia. The species are deciduous shrubs, growing to tall. Species ...

'' Mexico *''

Holodiscus discolor ''Holodiscus discolor'', commonly known as ocean spray or oceanspray, creambush, or ironwood, is a shrub of western North America. Description ''Holodiscus discolor'' is a fast-growing deciduous shrub usually from to in height, and up to ta ...

'' (syn. ''H. boursieri'') coastal western North America *''

Holodiscus dumosus ''Holodiscus dumosus'' is a species of flowering plant in the rose family, with the common names mountain spray, rock-spiraea, bush oceanspray, and glandular oceanspray.Holodiscus fissus ''Holodiscus'' is a genus of flowering plants in the family Rosaceae, native to the Americas, from southwestern British Columbia, Canada and the western United States south to Bolivia. The species are deciduous shrubs, growing to tall. Species ...

'' Central America *''

Holodiscus microphyllus ''Holodiscus discolor'', commonly known as ocean spray or oceanspray, creambush, or ironwood, is a shrub of western North America. Description ''Holodiscus discolor'' is a fast-growing deciduous shrub usually from to in height, and up to ta ...

'' western US (Nevada, Utah; included in ''H. discolor'' b
USDA
*''

Holodiscus nitida ''Holodiscus'' is a genus of flowering plants in the family Rosaceae, native to the Americas, from southwestern British Columbia, Canada and the western United States south to Bolivia. The species are deciduous shrubs, growing to tall. Species ...

'' Colombia *''

Holodiscus orizabae ''Holodiscus'' is a genus of flowering plants in the family Rosaceae, native to the Americas, from southwestern British Columbia, Canada and the western United States south to Bolivia. The species are deciduous shrubs, growing to tall. Species ...

'' southern Mexico *'' Holodiscus pernethyoides'' Bolivia *''

Holodiscus saxicola ''Holodiscus'' is a genus of flowering plants in the family Rosaceae, native to the Americas, from southwestern British Columbia, Canada and the western United States south to Bolivia. The species are deciduous shrubs, growing to tall. Species ...

'' western US (California; accepted b
New York Botanical Gardens herbarium
but not b
USDA

Taxonomy

The position of the genus ''Holodiscus'' in the family Rosaceae has changed over the last century as more detailed studies have been carried out. It has been place in subfamily

Maloideae The Maloideae C.Weber was the apple subfamily, a grouping used by some taxonomists within the rose family, Rosaceae. Recent molecular phylogenetic evidence has shown that the traditional Spiraeoideae and Amygdaloideae form part of the same c ...

, but recent molecular evidence places all of (the former) subfamily Maloideae inside the subfamily

Amygdaloideae Amygdaloideae is a subfamily within the flowering plant family Rosaceae. It was formerly considered by some authors to be separate from Rosaceae, and the family names Prunaceae and Amygdalaceae have been used. Reanalysis from 2007 has shown that ...

. eferring to the subfamily by the name "Spiraeoideae"/nowiki>

References

External links

USDA Plants Profile for ''Holodiscus'' (oceanspray)
{{Taxonbar, from=Q1633059 Spiraeeae Rosaceae genera Flora of Mexico Flora of the Western United States Flora of Western Canada Flora of Central America Flora of South America