2018 Alexander Randolph-Lowe 2019 Matt Berger 2018 Anna Sereno 2008 Keir Morse 2008 Keir Morse 2020 R.A. Chasey 2020 R.A. Chasey 2018 Alexander Randolph-Lowe 2018 Alexander Randolph-Lowe 2018 Alexander Randolph-Lowe 2018 Anna Sereno 2019 Matt Berger 2019 Matt Berger 2008 Keir Morse
Veratrum insolitum is a perennial herb that is native to California, and also found in Oregon and Washington.
California Rare Plant Rank: 4.3 (limited distribution).
[Wikipedia] Range, Description: Veratrum insolitum is a species of false hellebore, a type of plant closely related to the lily. Its common name is Siskiyou false hellebore. It is native to the northwestern United States: Washington (Klickitat County), western Oregon, and northwestern California as far south as Trinity County.
Veratrum insolitum is a stout, hollow-stemmed perennial growing from a thick rhizome in the clay soil of wet evergreen forests. The erect cornstalk-shaped plant bears several large green elliptical leaves decreasing in size higher up on the grayish stem. The large panicle inflorescence is packed with many off-white hairy flowers each just under a centimeter wide. There are six fringed tepals and six stout stamens, each with a club-shaped yellow anther. The fruit is a capsule 2 to 3 centimeters long which contains large winged seeds. (contributed by Mary Ann Machi)
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Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2023. Berkeley, California:The Calflora Database
[a non-profit organization].Available: