Euthamia graminifolia  (Solidago g.) lance-leaved goldenrod Asteraceae EUGR; Bx, pb (DeCandido 2001); NY, ct; Q, cu, i, j, ri, tl, u; R, ah, c, ca, cs, gr, hs, is, k, lp, js, sv, ty, w;

   

Euthamia graminifolia.Marilee Lovit.New England Wild Flower Society.gobotany.newenglandwild.org

Euthamia graminifolia.Marilee Lovit.New England Wild Flower Society.gobotany.newenglandwild.org. (Accessed 4/2014).

Euthamia graminifolia is a perennial herb, 30-150 cm tall, extensively clonal from rhizomes; few or no axillary branches; winter stem brown, flower bases (receptacles) star-shaped, bracts hairy, overlapping (Levine 1995). 

Leaves alternate, stalkless, blade 4-13 cm long, 0.3-1.2 cm wide, linear to lance-shaped, 3-veined, sprinkled with minute translucent dots (use lens). 

Flowers yellow, rays 15-25, per head, about 0.1 cm long, disk flowers 5-10 per head; bracteate base 0.3-0.5 cm long; heads in dense, rounded clusters; inflorescence branched, flat-topped. Self- incompatible, pollinated by bees feeding on nectar and pollen, also visited by wasps, flies and soldier beetles; flowers eaten by Blister beetles, Epicauta pennsylvanica. (Gross and Werner 1983); blooms Aug.-Sept. 

Fruit dry, 1-seeded achene with plume of tan bristles; wind dispersed. Seeds eaten by some birds and small mammals, foliage eaten by rabbits (Martin et al. 1951). 

Wetland status: FAC. 

Frequency in NYC: Frequent. 

Origin: Native. 

Habitat: Open areas, dry to moist soil of meadows, roadsides and path edges. 

Notes: Leaf extracts shown to inhibit seed germination of some other plants (Butcko and Jensen 2002).