Holodiscus

Taxobox
name = "Holodiscus"


image_width = 240px
image_caption = "Holodiscus discolor" foliage and flower buds
regnum = Plantae
divisio = Magnoliophyta
classis = Magnoliopsida
ordo = Rosales
familia = Rosaceae
genus = "Holodiscus"
genus_authority = (K.Koch) Maxim.
subdivision_ranks = Species
subdivision = See text.

"Holodiscus" (syn. "Sericotheca") 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 1-5 m tall.

;SpeciesSeven to ten species are accepted by different authors, including:
*"Holodiscus australis" western US (New Mexico; included in "H. discolor" by [http://plants.usda.gov/java/profile?symbol=HODI USDA] )
*"Holodiscus argenteus" Mexico
*"Holodiscus discolor" (syn. "H. boursieri") coastal western North America
*"Holodiscus dumosus" interior western North America
*"Holodiscus fissus" Central America
*"Holodiscus microphyllus" western US (Nevada, Utah; included in "H. discolor" by [http://plants.usda.gov/java/profile?symbol=HODI USDA] )
*"Holodiscus nitida" Colombia
*"Holodiscus orizabae" southern Mexico
*"Holodiscus pernethyoides" Bolivia
*"Holodiscus saxicola" western US (California; accepted by [http://sciweb.nybg.org/science2/VirtualHerbarium.asp New York Botanical Gardens herbarium] but not by [http://plants.usda.gov/java/profile?symbol=HOLOD USDA] )

The position of the genus in the family Rosaceae is disputed, with some authorities (e.g. [http://www.ars-grin.gov/cgi-bin/npgs/html/genus.pl?5748 USDA Germplasm Resources] ) placing it in the subfamily Spiraeoideae, and others (e.g. [http://florawww.eeb.uconn.edu/acc_num/199900604.html University of Connecticut] ) placing it in the subfamily Maloideae.