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Montana Field Guide

Montana Field Guides

Alpine Hulsea - Hulsea algida


Global Rank: G4G5
State Rank: S4
* (see State Rank Reason below)

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

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State Rank Reason (see State Rank above)
Numerous collections from Ravalli, SilverBow, Carbon, DeerLodge, Granite, Madison, Beaverhead, Park Counties. Many of these are recent (<20 years old).

Probably currently secure in its high elevation talus/scree habitats.
 
General Description
Taprooted perennial herbs from a branched caudex. Stems simple, erect, 4–30 cm. Herbage glandular, puberulent to villous. Leaves basal and cauline, wide-petiolate; blades narrowly oblanceolate, dentate to shallowly, pinnately lobed, 3–10 cm long. Heads solitary, radiate; involucres hemispheric, 12–23 mm high; phyllaries glandular, villous, narrowly lanceolate, subequal in 2–4 series; receptacle flat, bumpy. Ray flowers female, 30–60, yellow; rays ca. 1 cm long. Disk flowers perfect, yellow, glandular, 5–8 mm long, tubes shorter than the throat; style branches hairy. Pappus of 4 lacerate, hyaline scales. Achenes clavate, 8–11 mm long, strigose (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Diagnostic Characteristics
Not likely to be confused with any other species in Montana. Hymenoxis grandiflora has larger, prominently notched ray flowers and pectinately divided leaves.

Species Range
Present
 


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

Summary of Observations Submitted for Montana
Number of Observations: 10

(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
Stony or sandy, non-calcareous soil of fellfields, talus; alpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Alpine Hulsea — Hulsea algida.  Montana Field Guide.  .  Retrieved on , from