Torilis arvensis field hedge-parsley Apiaceae TOAR*; R, h;

Torilis arvensis.commons.wikipedia.org

Torilis arvensis.commons.wikimedia.org

Torilis arvensis is an annual herb to 1 m tall, branching freely, stems rough-hairy. 

Leaves alternate, 2-3 times pinnate, upper often once pinnate, lower pinnae stalked, ultimate segments small. 

Flowers white, 5-parted, very small, in umbrella-shaped clusters (umbels) opposite a leaf, stalks 2-10 cm per inflorescence. 

Fruit dry, oval, 0.3-0.5 cm covered with prickles almost 0.1 cm long, calyx teeth persistent. 

Wetland status: NL. 

Frequency in NYC: Very infrequent. 

Origin: Europe. 

Habitat: Weedy, open or partly shaded habitats. 

Notes: Apiaceae of open sites are eaten by larvae of the black swallowtail butterfly, Papilio polyxenes (Papilionidae); (Tallamy 2003; Pyle 1981).