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Corema conradii (Torr.) Torr. ex Loudon

Broom crowberry

These unrelated species, both commonly called crowberries, are closely similar, and sometimes appear together—one might say that crowberries of a feather flock together

 
Empetrum nigrum
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Corema conradii
Common Name

black crowberry

broom crowberry
Plant Ground-hugging, dense, somewhat mosslike plant rarely more than 6″ (15 cm) in height. Up to 2′ (60 cm) high, forming scattered plants or sometimes dense stands. The habit is shrublike. Bark is gray to orange-red.
Leaves Needlelike alternate green leaves, each ⅛–¼″ (3–8 mm) long, appear on long shoots. In cross section, needles are deeply grooved, with their edges rolled under. Compared to broom crowberry, leaves are more densely spaced. Yellow-green, with linear needle-like leaves. Each leaf is up to 1/16–3/16 ⨉ ~1/32″ (3–6 ⨉ 0.5–0.8 mm), and has a leaf stalk. There are 2-4 leaves per node.
Flowers Inconspicuous, purplish brown, with one or both sexes appearing on a given plant. Tiny, reddish or purplish sepals, appearing in April to August.
Fruit Juicy rounded black berries (sometimes red) ⅛–3/16″ (4–6 mm) around, each containing 6-9 white seeds. Tiny gray drupes under 1/16″ (2 mm).
Range/ Zones

Habitats Acid peat bogs, cold forests, in northern and polar regions. Grasslands, sandplains and barrens, shrublands, thickets, and rocky plateaus such as hilltops.

 

Corema conradii description by Thomas H. Kent, not updated.

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