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Montana Field Guide

Montana Field Guides

Cream-bush Oceanspray - Holodiscus discolor

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Native Species

Global Rank: G5
State Rank: S5
(see State Rank Reason below)
C-value: 4


Agency Status
USFWS:
USFS:
BLM:


 

External Links

State Rank Reason (see State Rank above)
Common in western Montana.
 
General Description
Shrubs to 3 m tall. Stems erect; bark reddish tan, becoming gray. Leaves simple, petiolate, exstipulate; the blades 2–9 cm long, ovate, lobed, dentate, pubescent, sparsely so above. Inflorescence a many-flowered, highly branched pyramidal panicle at branch tips. Flowers small, perfect, perigynous, 5-merous; hypanthium saucer-shaped; sepals 1.5– 2 mm long; petals white, as long as sepals; stamens 20; styles 5. Fruit a hirsute, 1-seeded achene, ca. 1.5 mm long; style ca. 1 mm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range Range Descriptions

Native
 


Range Comments
BC to CA, ID and MT (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 910

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat
Rocky soil of dry, open forest, brushy slopes; valleys to lower subalpine (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).


References
  • Literature Cited AboveLegend:   View Online Publication
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Fogelsong, M.L. 1974. Effects of fluorides on Peromyscus maniculatus in Glacier National Park. M.Sc. Thesis. Bozeman, Montana: Montana State University. 52 p.
    • Klebenow, D.A. 1965. A montane forest winter deer habitat in western Montana. Journal of Wildlife Management 29(1):27-33.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
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Citation for data on this website:
Cream-bush Oceanspray — Holodiscus discolor.  Montana Field Guide.  .  Retrieved on , from