It is a perennial herb up to 100 cm ( 40 inches ) tall , producing underground rhizomes and a woody caudex .
Erigeron speciosus grows on in prairies and in open coniferous forests .
Erigeron speciosus is a perennial Erigeron speciosus up to 100 cm ( 40 inches ) tall , producing underground rhizomes and a woody caudex .
Erigeron speciosus grows on in prairies and in open coniferous forests .