Difference between revisions of "Petrorhagia saxifraga var. saxifraga"
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Revision as of 20:08, 24 September 2019
Plants perennial with woody bases. Stems ascending to erect, much-branched, 5–40 cm; internodes glabrous distally, scabrous proximally. Leaves: sheath 1 mm or less, ± as long as wide; blade 1-veined, linear, 5–20 (–30) mm, margins basally ciliate. Inflorescences lax cymes or flowers solitary; involucel bracteoles enclosing to 1/2 of calyx, narrowly ovate, scarious, apex acute. Pedicels 5–20 mm. Flowers: sepals 4–6 mm; petals white to pink, primary veins 3, veins often dark pink near base of blade, apex obcordate. Seeds shield-shaped, 0.8–1.3 mm, tuberculate. 2n = 30, 60 (both Europe).
Phenology: Flowering summer–early autumn.
Habitat: Lawns, roadsides, sandy waste areas
Elevation: 0-1100 m
Distribution
B.C., Ont., Idaho, Ill., Maine, Mass., Mich., Minn., N.Y., Ohio, Pa., S.Dak., Va., Wis., c, s Europe, sw Asia, introduced in Europe (Great Britain, Sweden).
Discussion
Selected References
None.