Taxon  Report   4355 
Iris macrosiphon  Torr.
Bowltube iris,  Ground iris, Long tubed iris
Iris macrosiphon
© 2018 Mary Conway
More photos from
CalPhotos / Calflora
Iris macrosiphon
© 2005 Doreen L. Smith
Iris macrosiphon
© 2015 Barry Rice
Iris macrosiphon, a monocot, is a perennial herb that is native to California and is endemic (limited) to California.

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Iris macrosiphon
© Gerald and Buff Corsi 2009 California Academy of Sciences
Genus: Iris
Foothill Woodland, Northern Oak Woodland, Mixed Evergreen Forest, Yellow Pine Forest
Habitat: slopes
Toxicity: MINOR, DERMATITIS   [California Poison Control System 2010]    
AFFINITY to serpentine soil:   1.1 (weak indicator / indifferent)   [Safford et al 2005]
Name Status:
Accepted by JEF + PLANTS + JM93
Alternate Names:
(according to)

ICPN + PLANTS: Iris amabilis
PLANTS: Iris californica
More information about  Iris macrosiphon
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
Landscaping information from Calscape
Photos on CalPhotos / Google Images
Photos on

Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

website references from Google

Suggested Citation
Calflora: Information on California plants for education, research and conservation,
with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria.
[web application]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Jun 22, 2018).

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