Solidago bicolor silver-rod Asteraceae SOBI; Bx, pb, vc; NY, iw; R, ar;


Solidago bicolor.Pennie Logemann.New England Wild Flower

Solidago bicolor.Pennie Logemann.New England Wild Flower (Accessed 4/2014).

Solidago bicolor is a perennial herb, 10-80 cm (usually rather small), stems solitary or few together, small plants unbranched, gray-hairy, from a woody base. 

Leaves alternate, basal ones 2-20 cm long, 1.5-6 cm long, spatula-shaped, more-or-less toothed, somewhat hairy, stalked, stem leaves smaller upward. 

Solidago Busemeyer.Illinois Natural History

Solidago Busemeyer.Illinois Natural History (Accessed 3/2017).

Flowers dull white, of two types, in small heads subtended by bracts, ray flowers 7-14, disk flowers more yellow, bracteate base of head 0.3-0.5 cm tall, bracts straw-color with green tips; inflorescence usually spike-like, interrupted; insect pollinated (Abrahamson and Gadgil 1973); blooms July-Oct. 

Fruit dry, seed-like achenes, 0.5 cm long pale brown, plumed, wind dispersed. 

Wetland status: UPL. 

Frequency in NYC: Infrequent. 

Origin: Native. 

Habitat: Upland dry, open forest understory, sterile soil, somewhat shade tolerant.