Taxon  Report   4355    
Iris macrosiphon  Torr.
Bowltube iris,  Ground iris, Long tubed iris
Iris macrosiphon
© Gerald and Buff Corsi 2009 California Academy of Sciences
Photos from
CalPhotos / Calflora
Iris macrosiphon
© 2018 Julie Kierstead Nelson
Iris macrosiphon
© 2018 Mary Conway
Iris macrosiphon, a monocot, is a perennial herb that is native to California, is endemic (limited) to California.

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Iris macrosiphon
© 2018 Julie Kierstead Nelson
Genus: Iris
Communities: Foothill Woodland, Northern Oak Woodland, Mixed Evergreen Forest, Yellow Pine Forest


Serpentine affinity: 1.1; (weak indicator / indifferent)

Habitat: slopes

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
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   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (Flora of North America)

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]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 23, 2019).