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Montana Field Guide

Montana Field Guides

Twinberry Honeysuckle - Lonicera involucrata

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Native Species

Global Rank: G5T4T5
State Rank: S4

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 5

External Links

 
General Description
Shrubs. Stems erect, 50–150 cm; twigs 4-angled, glabrate. Leaf blades 4–15 cm long, oblong to ovate with acuminate tips, glabrate to sparsely hirsute beneath. Inflorescence: peduncles 1–4 cm long, surmounted by 4 purple, glandular bracts reflexed in fruit. Flowers: corolla yellow, 10–15 mm long, glandular-pubescent, lobes shorter than the tube. Berry black, 6–10 mm wide (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Our plants are variety involucrata.

Species Range
Present
 


Range Comments
BC to Que south to CA, NM and WI (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 339

(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
Moist forest, meadows, avalanche slopes, especially along streams; montane, subalpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Twinberry Honeysuckle — Lonicera involucrata.  Montana Field Guide.  .  Retrieved on , from