Vascular Plants of North Carolina
Account for Oneflower Bedstraw - Galium uniflorum   Michaux
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Section 6 » Order Rubiales » Family Rubiaceae
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AuthorMichaux
DistributionEssentially throughout the eastern third of the Piedmont, and sparingly present across the Coastal Plain, including the Outer Banks. Not known to occur west of Person, Randolph, and Union counties.

This is a Southern species, ranging from coastal MD and AR south to central FL and eastern TX.
AbundanceInfrequent to locally fairly common in the lower/eastern Piedmont. Rare to uncommon in the Coastal Plain, typically in sites with richer forested soils. Though RAB (1968) called it "rare" and showed only six county records, the species has now been collected from 25 counties and observed in several others. It is not really a rare species in the state now, though it likely was just overlooked instead of there being an increase in recent decades.
HabitatThis is a forest species, growing mostly in mesic mixed forests to hardwood forests, including in bottomlands.
PhenologyBlooms and fruits from April to September. However, it is an evergreen species and can be seen in leaf all winter.
IdentificationThis is a very slender and quite small Galium ranging only to about 8-10" tall, usually leaning and with a few branches. The stem is smooth, but the leaves are stiff, shiny, dark green, and evergreen. There are 4 leaves per whorl, each leaf being linear to narrowly oblanceolate, about 3/4" long but barely 1/8" wide. There are only a few tiny white flowers in the leaf axils, but quite conspicuous are the small but fleshy, black fruit; only this species and G. bermudense have fleshy fruit in the genus. As the species is evergreen, it can be spotted on a winter walk in a mixed pine-hardwood forest or in a bottomland forest.
Taxonomic CommentsNone

Other Common Name(s)None
State RankS2S3 [S3S4]
Global RankG4G5
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