Hemerocallis lilioasphodelus  (H. flava) yellow day lily Liliaceae HELI*; Q, j (Stalter and Lamont 2002);

   

Hemerocallis lilioasphodelus.commons.wikimedia.org

Hemerocallis lilioasphodelus.commons.wikimedia.org. (Accessed 4/2014).

Hemerocallis lilioasphodelus is a perennial monocotyledon herb, colonial from tubers, ffleshy roots. 

Leaves alternate, basal, strap-like with prominent midrib. 

Flowers lemon yellow, fragrant, otherwise same as H. hemerocallis. 

Origin: Europe. 

Wetland status: UPL. 

Frequency in NYC: Very infrequent. 

Habitat: Rarely escapes from cultivation but occasionally found in overgrown horticultural sites. Many hybrids and cultivars. Hybrids of Hemerocallis not invasive.