Cymbalaria muralis subsp. muralis
Perennials 10–60 cm. Leaves: petiole 10–22 mm; blade 5–40 × 6–60 mm, surfaces glabrous or with scattered hairs. Pedicels ascending, 10–35 mm in flower, recurved, to 90 mm in fruit. Flowers: sepals equal, lobes 1.5–3 × 0.5–1 mm, apex acute; corolla tube 3–5 mm, glabrous, palate inflated, abaxial plicae yellow, lobes: abaxial spreading, adaxial erect, subequal, 2–3 mm, apex round; stamens included, filaments incurved, abaxial 2–4 mm, adaxial 3–5 mm, pollen sacs oblong; ovary glabrous, locules subequal; style included, 3–4 mm, base persistent in fruit; stigma straight. Capsules globular, 3–5 mm. Seeds 0.5–1 mm, cristate-tuberculate. 2n = 14.
Phenology: Flowering May–Oct.
Habitat: Rock walls, rocky disturbed sites.
Elevation: 0–400 m.
Distribution
B.C., Man., N.B., Ont., Que., Ark., Calif., Colo., Conn., Del., Ill., Ind., Ky., Md., Mass., Mich., Mo., Nebr., N.J., N.C., Ohio, Oreg., Pa., S.C., S.Dak., Tenn., Vt., Va., Wash., W.Va., Wis., s Europe, introduced also in Mexico, Central America, South America, Asia, Africa, Atlantic Islands, Pacific Islands, Australia.
Discussion
Subspecies muralis occurs to 2000 m elevation outside the flora area.
Selected References
None.