Species Detail Forb

Flower head		Yavapai County Native & Naturalized Plants Cicuta douglasii - western water hemlock Synonyms: Cicuta maculata var. californica Plant Form: Forb or Subshrub Family: Apiaceae
Flower head


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Leaves Max Licher @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)	Plant Max Licher @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)

Forb Plant Description

Origin: Native Life Cycle: Perennial
General Desc: This plant has erect stems and a horizontally divided tap root which contains an extremely poisonous juice.
Identification notes: Distinct narrow to ovate leaflets with serrated margins and veins that terminate at notches of serration and white petals with notched tips helps distinguish this from C. maculata which has coarse or sparse serration.
Height: 3 to 7 feet

Habitat

Habitat Description: A wetland plant common in pastures and untilled fields. Occurs on streams, marshes, and irrigation canals.
Plant Communities: Riparian, Disturbed Areas
Elevation: Below 8200 feet

Flower Characteristics

Color: White Shape: Regular in round clusters Tubular: N Flowering Period: Jun - Sep
Description: Stemmed umbels are flat on top with many small lacy flowers.

Leaf and Stem Characteristics

Leaf Color: Green Leaf Type: Compound Leaf Shape: Pinnatifid Leaf Margin: Toothed Leaf Attachment: Alternate Leaves Clasp: N
Hairs: No Spines: N
Leaf Description: Stems have purplish spots and are usually hollow and swollen at the base. Leaf veins terminate at the bottom of the leaf serrations which is a distinguishing characteristic of this plant.

Fruit and Seed Characteristics

Fruit Type: Achene
Seed Notes: Each lacy flower produces 2 seeds, that are kidney-shaped with corky ridges. In addition to seed dispersal, the plant's rootstock can also produce new plants.


	Arizona Cooperative Extension Yavapai County 840 Rodeo Dr #C Prescott, AZ 86305 (928) 445-6590	Version 8.0 http://cales.arizona.edu/yavapaiplants/SpeciesDetailForb.php Last Updated: Dec 13, 2022 Content Questions/Comments: Email Matt Halldorson Legal Disclaimer