Chamaenerion angustifolium subsp. circumvagum
Phytologia 27: 289. 1973.
Stems 30–200 cm, sparsely strigillose, usually glabrous proximally. Leaves: petioles 2–7 mm; cauline blades oblong to elliptic-lanceolate, (6–) 9–23 × (0.7–) 1.5–3.4 cm, base subcuneate to attenuate, margins ± denticulate, surface strigillose on adaxial side and on abaxial midrib, or, rarely, glabrous. Inflorescences strigillose; bracts 7–25 mm. Flowers: sepals 9–19 × 1.5–3 mm, acuminate; petals obovate to suborbicular, 14–25 × 7–14 mm, entire or scarcely emarginate; filaments 8–17 mm; anthers 2.5–3 mm; pollen mixed 3-porate and 4-porate (rarely 5-porate), 70–95 µm diam.; ovaries 8–25 mm, style 9–18 mm. Capsules 5–9.5 cm; pedicels 1–3 cm. Seeds 1–1.3 × 0.3–0.4 mm. 2n = 72, 108.
Phenology: Flowering Jun–Sep.
Habitat: Moist, often disturbed places in montane and boreal forest regions, frequent after fires.
Elevation: 0–3800 m.
Distribution
St. Pierre and Miquelon, Alta., B.C., Man., N.B., Nfld. and Labr., N.W.T., N.S., Ont., P.E.I., Que., Sask., Yukon, Alaska, Ariz., Ark., Calif., Colo., Conn., Del., Idaho, Ill., Ind., Iowa, Maine, Md., Mass., Mich., Minn., Mont., Nebr., Nev., N.H., N.J., N.Mex., N.Y., N.C., N.Dak., Ohio, Oreg., Pa., R.I., S.Dak., Tenn., Utah, Vt., Va., Wash., W.Va., Wis., Wyo., Mexico (Coahuila), Mexico (Nuevo León), Eurasia
Discussion
Selected References
None.
Lower Taxa
"broader" is not a number.