Calochortus weedii Alph. Wood var. intermedius Ownbey
Intermediate mariposa lily, Weed's mariposa lily
2010 Jesica Peak 2016 Ron Vanderhoff 2022 Ron Vanderhoff 2022 Ron Vanderhoff 2019 Diane Etchison 2020 Diane Etchison 2023 Rachel Whitt 2019 Ron Vanderhoff 2019 Diane Etchison 2020 Diane Etchison 2014 Diane Etchison 2018 Diane Etchison 2009 Ron Vanderhoff 2019 Diane Etchison
Calochortus weedii var. intermedius is a perennial herb (bulb) that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).
[Wikipedia] Description, Varieties, Formerly Included taxa: Calochortus weedii is a North American species of flowering plants in the lily family known by the common name Weed's mariposa lily.
It is native to the Outer Southern California Coast Ranges and the Transverse Ranges in Southern California, and the Peninsular Ranges in Southern California and Baja California. It is a member of the chaparral flora. Most of the California locales occur between Santa Barbara County and San Diego County, but there is a report of an isolated population along Salmon Creek in southern Monterey County.
Calochortus weedii is a perennial herb producing a slender, branching stem 30 to 90 centimeters tall.
There is a basal leaf up to 40 centimeters long which withers by the time the plant blooms.
The inflorescence bears 2 to 6 erect, widely bell-shaped to spreading flowers. Each flower has three narrow sepals and three wider and sometimes shorter petals, each segment up to 3 centimeters long. The petals are oval or wedge-shaped and may be any of a variety of colors, from cream to deep yellow to reddish purple. The petals often have reddish brown borders and flecks, and a coating of hairs on the inner surface.
The fruit is an angled capsule 4 to 5 centimeters long.
Calochortus weedii var. intermedius Ownbey - Orange, Los Angeles, + Riverside Counties
Calochortus weedii var. peninsularis Ownbey - Baja California
Calochortus weedii var. weedii - California + Baja California
Three taxa once considered varieties of Calochortus weedii are now generally classified as distinct species:
Calochortus weedii var. obispoensis, now called Calochortus obispoensis
Calochortus weedii var. purpurascens, now called Calochortus fimbriatus
Calochortus weedii var. vestus, now called Calochortus fimbriatus (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: