Lonicera utahensis S. Watson
Utah honeysuckle (red twinberry)
Caprifoliaceae (Valerian family)

Introduction to Vascular Plants

Photograph

© Carla Davis     (Photo ID #16431)


Map

E-Flora BC Static Map

Distribution of Lonicera utahensis
Click here to view the full interactive map and legend

Introduction

Utah honeysuckle is a western North American species with white / creamy or yellow flowers that is found in "Moist to mesic meadows, grasslands, shrublands and open forests" in southern British Columbia (Douglas et al. 1998).

Species Information

General:
Deciduous, ascending or erect shrub, 0.6-2 m tall; twigs glabrous or nearly so.
Leaves:
Opposite, short-stalked, elliptic to somewhat egg-shaped or oblong, rounded to somewhat heart-shaped at the base, obtuse to rounded at the tip, 2-8 cm long, 1-4 cm wide, glabrous above, often thinly hairy beneath and on stalks.
Flowers:
Inflorescence of pairs of flowers in leaf axils, on the ends of 0.5-3-cm long stalks; involucres of 2 pairs of very small bracts; corollas cream or light yellow, funnel-shaped, 1-2 cm long, scarcely 2-lipped, the 5 slightly unequal lobes much shorter than the tubes, which are hairy within and have short thick spurs at the bases.
Fruits:
Berries, red, 0.7-1 cm across paired, united at the base, 2- to 4-seeded.

SourceThe Illustrated Flora of British Columbia

Illustration

If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

USDA Species Characteristics

Flower Colour:
Yellow
Blooming Period:
Early Summer
Fruit/Seed characteristics:
Colour: Red
Present from Summer to Fall
Source:  The USDA

Ecology

Ecological Framework for Lonicera utahensis

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class

Avg

Min

Max

Elevation (metres)
1353 8 2460
Slope Gradient (%)
27 0 235

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

199 0 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 0 8
Modal Nutrient Regime
Class
C
# of field plots
 species was recorded in:
5469
Modal BEC Zone Class
ESSF

All BEC Zones (# of stations/zone) species was recorded in

CWH(18), ESSF(1963), ICH(1783), IDF(368), MH(5), MS(1079), PP(2), SBS(4)

Habitat and Range

Moist to mesic meadows, grasslands, shrublands and open forests in the lowland, steppe and montane zones; common in SC and SE BC, rare in SW BC; E to SW AB and S to MT, WY, UT and N CA.

SourceThe Illustrated Flora of British Columbia