Family: Apiaceae
hemlock water-parsnip, water-parsnip
[Sium cicutaefolium Schrank, more...]
Robert Bierman
Merel R. Black
University of Wisconsin - Madison (WIS-VP)
Etymology: Sium: from sion, a Greek name of some marsh plant
Plants: erect, (annual?)/perennial, 2'-6' tall, smooth forb; stems solitary, branching, angular, stout; roots fibrous
Leaves: once pinnately-divided into 7-17 long, narrow, sharply-toothed leaflets
Flowers: white, 5-parted, the outer petals sometimes slightly larger; inflorescence a 1 1/2"-4 1/2" compound umbel with 6 or more compact umbellets; blooms July-Aug.
Fruits: oval, dry, obviously ribbed, splitting into 2 seeds- fruit:
seed:
Habitat: sun; wet; shallows, shores; in water or muck
Conservation Status: Native
Plants: erect, (annual?)/perennial, 2'-6' tall, smooth forb; stems solitary, branching, angular, stout; roots fibrous
Leaves: once pinnately-divided into 7-17 long, narrow, sharply-toothed leaflets
Flowers: white, 5-parted, the outer petals sometimes slightly larger; inflorescence a 1 1/2"-4 1/2" compound umbel with 6 or more compact umbellets; blooms July-Aug.
Fruits: oval, dry, obviously ribbed, splitting into 2 seeds- fruit:
seed:Habitat: sun; wet; shallows, shores; in water or muck
Conservation Status: Native
Floristic Rating: Coefficient of Conservatism = 5, Wetland Indicator = OBL Atlas of the Wisconsin Prairie and Savanna Flora: by T.S. Cochrane & H.H. Iltis: habitat, distribution infomation / flowering and fruiting times USDA Plants Database: Federal Distribution and detailed information including photos Dan Tenaglia's The Missouri Flora: Fabulous photographs; detailed descriptions; color and leave arrangement key. Southwest School of Botanical Medicine: Britton & Brown Illustrated Flora - 2nd Edition (1913) "An Illustrated Flora of the Northern United States and Canada"
Merel R. Black
Emmet J. Judziewicz
Steve C. Garske
Merel R. Black
Steve C. Garske
Emmet J. Judziewicz
Steve C. Garske
Robert W. Freckmann
Robert W. Freckmann
