Smooth Stem Rough-leaf Goldenrod
Solidago rugosa var.Ìý²õ±è³ó²¹²µ²Ô´Ç±è³ó¾±±ô²¹Â C. Graves is native to sandy and boggy soils of Atlantic white cedar woods and swamps and wet ground. The variety is distinguished by having hairless stems and leaves. Intermediates with ±¹²¹°ù.Ìýrugosa occur in areas of sympatry (). The variety has been reported to included diploids and hexaploids (2n=18, 2n=54).
The variety has been treated as Solidago aestivalis E. P. Bicknell, but the number of intermediates indicates this is not warranted.
1-2. Solidago rugosaÌý±¹²¹°ù. sphagnophila. 1. Shoots, Semple & Suripto 9192, New London Co., Connecticut. 2. Bambang Suripto sampling Semple & Suripto 9520, Ocean Co., New Jersey. 3-4. Stem and abaxial leaf surface, Semple & Suripto 9564, Barnstable Co., Massachusetts.
Last revised 13 April 2025 by J.C. SempleÂ
© 2025 J.C. Semple, including all photographs unless otherwise indicated