Douglas' Water Hemlock, Douglas' Water-hemlock, Western Water-hemlock, Western Water-hemlock
Cicuta douglasii
Synonym: Cicuta maculata var. californica
The photo above shows a close-up of the underside
of one umbellet in the inflorescence of water hemlock as seen along Laurel Road
at the western edge of Conboy Lake NWR.......July 2, 2006. Note the narrow bractlets at the base of the umbellet.
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Water hemlock blooming in wetlands along the Willard Springs Trail, Conboy Lake National Wildlife Refuge........May 24, 2016.
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Water hemlock blooming in the irrigation canal adjacent to the refuge headquarters, Conboy Lake NWR.....June 15, 2025.
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Close-up image of one umbellet (left) and the umbel (right) of water hemlock
as seen along Laurel Road at the western edge of Conboy Lake NWR........July
2, 2006. Note the wrinkled petals.
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Leaf and leaflet details showing the margins of a leaflet
of water hemlock as seen along Laurel Road at the western edge of Conboy Lake NWR.......July
2, 2006. Note that the main lateral veins join the leaf margin in the notch
between the teeth.
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The photo at left shows water hemlock as seen in a ditch along
Laurel Road at the western edge of Conboy Lake NWR........July 2,
2006. The photo at right shows water hemlock blooming in wetlands along the Willard Springs Trail at Conboy Lake National Wildlife Refuge........September 17, 2017.
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Water hemlock still blooming in wetlands along the Willard Springs Trail at Conboy Lake National Wildlife Refuge.......August 26, 2018.
Paul Slichter
