FSEEC_150C

Cow Parsnip


Scientific Name     

Heracleum lanatum Michx.

Family Name

Apiaceae (Parsley/Carrot family)

Heracleum_lanatum_habit

Heracleum_lanatum_leaves_small

Heracleum_lanatum_umbel2_small

leaves

flowers

Heracleum_lanatum_seeds_small

Heracleum_lanatum_singleflower_small

seeds

single flower

Characteristics:  

Habitat:  

rich, damp woods; roadsides

Plant Height:  

30-90 (1'-3') cm or more, erect single stem 

Flower Color:  

white (can be tinged with purple) 

Flower:  

5 notched petals with outer petal larger and deeply cleft; outer flowers of umbel irregular 

Inflorescence:  

large compound umbels; 10-20 cm wide; 15-30 rays; individual umbels subtended by 5-10 leafy bracts

Fruit:  

schizocarp, elliptic to ovate, flattened, usually pubescent with broadly winged lateral ribs

Leaves:  

compound; very large with basal leaves having a clasping sheath, divided into 3 segments 

Bloom Time:  

June-July 

Origins:  

native

Other:  

known as Heracleum maxinum Bartr. in many common field guides