Search Fact Sheets Virginia Tech Dendrology

red twinberry Caprifoliaceae Lonicera utahensis S. Watson Listen to the Latin Print a QR link to this factsheet symbol: LOUT2
Leaf: Opposite, simple, ovate to elliptical, 1 to 3 inches long, thin, hairless except for leaf edges, bright green above, a bit paler below and maybe with some scattered hairs.
Flower: Species is monoecious; yellow-white, bell- or funnel-shaped, 5 lobes, 1 inch long, hanging downward in pairs from a 1 inch long stem, appearing in spring to early summer.
Fruit: Reddish orange berries in a widely divergent pair; elongated often with a tapering point, 1/3 inch in length, ripen in mid to late summer.
Twig: Slender, reddish gray, solid pith, clearly lined; buds small, pointed.
Bark: Reddish gray, speckled with lighter lenticels.
Form: An upright, clump-forming shrub with slender branches growing to 6 feet tall.
Looks like: American fly honeysuckle - purpleflower honeysuckle - Amur honeysuckle - Morrow honeysuckle

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Additional Range Information: Lonicera utahensis is native to North America. Range may be expanded by planting. Download the full-size PDF map.
External Links: USDAFS FEIS Silvics - USDA Plants Database
All material 2021 Virginia Tech Dept. of Forest Resources and Environmental Conservation; Photos and text by: John Seiler, Edward Jensen, Alex Niemiera, and John Peterson; Silvics reprinted from Ag Handbook 654; range map source information