Vascular Plants of North Carolina
Section: Common Name: Scientific Name: Family:
Account for Rose-moss - Portulaca grandiflora   Hooker
Members of Portulaca with account distribution info or public map:
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Section 6 » Order Caryophyllales » Family Portulacaceae
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AuthorHooker
DistributionKnown only from Wake, Martin, and Pitt counties in the Piedmont and Coastal Plain. In Wake, collected in 1956 near Rolesville by R. Thorne, and in 1966 at Mitchell's Mill by D. Dumond. In Pitt, collected in 1958 north of Ayden by A. Radford. In Martin, collected in 1969 east of Williamson by K. Case. Specimens from Durham, Edgecombe, Mecklenburg, and Orange counties are all from cultivated plants.

Native of South America; in N.A. NH to ND south to FL and TX; also Southwestern states.
AbundanceVery rare.
HabitatGranitic flatrocks (Wake Co.), waste place (Pitt Co.), trash heap (Martin Co.).
PhenologyFlowering and fruiting July-September.
IdentificationRose-moss is an annual, prostrate to ascending, the flowers rosy to red-purple. The flowers measure more than 25 mm (1 inch) across, versus less than 20 mm across in P. amilis and P. pilosa.
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State RankSE
Global RankGNR
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