Petrorhagia prolifera
Petrorhagia dubia
hairy pink
9.5–60 cm; middle internodes often densely glandular-tomentose.
sheaths (3)4–9 mm; about 2–3 × longer than wide;
blades linear to oblong; lowermost oblanceolate, 10–60 mm.
involucral bracts mucronate.
petals obcordate to 2-lobed, pink or pinkish;
veins 5–6; darker pink.
helmet-shaped, 1–1.4 mm, conic-papillate.
=30.
Petrorhagia prolifera
Petrorhagia dubia
Sandy or gravelly river shores. Flowering Apr–May. 100–500 m. CR, Sisk. CA; TX to MS; northern Africa, southern Europe. Exotic.
Petrorhagia dubia is likely a recent introduction to southern Oregon; the first collection we have seen was made in 1991. It may have spread northward from California, where it was first collected in the late 1920s.
Rich Rabeler, Ronald Hartman
BC
CA
Flora NW
PNW Herbaria
WildflowerSearch
iNaturalist
USDA Plants Database
OR
