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Montana Field Guide

Montana Field Guides

Cream-bush Oceanspray - Holodiscus discolor


Global Rank: G5
State Rank: S5
* (see State Rank Reason below)

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 4

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 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


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

Summary of Observations Submitted for Montana
Number of Observations: 136

(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 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Cream-bush Oceanspray — Holodiscus discolor.  Montana Field Guide.  .  Retrieved on , from