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Iris innominata (Del norte county iris)
Bransford, W.D. and Dolphia

Iris innominata

Iris innominata L.F. Hend.

Del Norte County Iris

Iridaceae (Iris Family)

Synonym(s): Iris tenax ssp. innominata


USDA Native Status: L48 (N)

This is a miniature iris, to 8 in. tall, with very narrow, shiny, dark green leaves and showy, deep golden to clear yellow, or sometimes intense purple, flowers. Flowering stem is one- to two-flowered.

A member of the iris family (family Iridaceae) which consists of herbs growing from rhizomes, bulbs, or corms, with narrow basal leaves and showy clusters at the tips of long stalks. There are about 60 genera and 1,500 species, distributed in temperate and tropical regions. Among them, Iris, Freesia, Gladiolus, Bugle Lily, and Montbretia are popular ornamentals. Saffron dye is obtained from Crocus, and "essence of violets," used in perfumes, is extracted from the rhizomes of Iris.


From the Image Gallery

1 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Size Class: 0-1 ft.

Bloom Information

Bloom Color: Yellow , Purple
Bloom Time: May , Jun


Native Distribution: Del Norte Co., CA & adjacent OR
Native Habitat: Open, mixed evergreen forest

Growing Conditions

Light Requirement: Part Shade
Soil Description: Drier, well-drained soils.
Conditions Comments: This species has been used in a number of select garden crosses.


Conspicuous Flowers: yes


Seed Collection: Easily collected from the large capsules.
Seed Treatment: No pretreatment is necessary.
Commercially Avail: yes

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Santa Barbara Botanic Garden - Santa Barbara, CA

Additional resources

USDA: Find Iris innominata in USDA Plants
FNA: Find Iris innominata in the Flora of North America (if available)
Google: Search Google for Iris innominata


Record Modified: 2007-01-01
Research By: TWC Staff

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