Linum rigidum Pursh
Stiffstem flax, Large-flower yellow flax, Yellow flax
Linaceae (Flax Family)
USDA Symbol: LIRI
Yellow flax is common on the prairies of the Southwest. It is usually 8-18 inches tall, depending on growing conditions. It has a single blossom, 1-1 1/2 inches across, on each of its few branches. Leaves are alternate, narrow, and 1/3 inch long. The 5 yellow petals have deep red centers from which grow the 5 stamens with yellow anthers. Each plant bears many flowers but usually only a few each day.
From the Image Gallery
Bloom InformationBloom Color: Orange , Yellow
Bloom Time: May , Jun , Jul
DistributionUSA: AR , CO , IA , IL , KS , MN , MO , MT , ND , NE , NM , OK , SD , TX , WI , WY
Native Distribution: W. MN & Man. to Alt., s. to n. Mex.
Native Habitat: Upland prairies
Growing ConditionsWater Use: Low
Light Requirement: Sun
Soil Moisture: Dry
Soil Description: Sandy or gravelly soils.
Conditions Comments: Plant displays 2 or 3 open blooms at a time, eventually producing up to a dozen flowers. Found on sandy and light soils in grassland habitat. Height variable from 6 to just over 12, spread from 4 to 10.
BenefitWarning: Animals have been poisoned, sometimes fatally, by eating plants in the Linum genus. Humans should generally avoid ingesting plants that are toxic to animals.
Conspicuous Flowers: yes
Interesting Foliage: yes
Deer Resistant: Minimal
Find Seed or Plants
Order seed of this species from Native American Seed and help support the Wildflower Center.
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Lady Bird Johnson Wildflower Center - Austin, TX
Sibley Nature Center - Midland, TX
Stengl Biological Research Station - Smithville, TX
Herbarium Specimen(s)NPSOT 0391 Collected May 19, 1993 in Comal County by Mary Beth White
BibliographyBibref 946 - Gardening with Prairie Plants: How to Create Beautiful Native Landscapes (2002) Wasowski, Sally
Bibref 318 - Native Texas Plants: Landscaping Region by Region (2002) Wasowski, S. & A. Wasowski
Bibref 248 - Texas Wildflowers: A Field Guide (1984) Loughmiller, C. & L. Loughmiller
Search More Titles in Bibliography
Additional resourcesUSDA: Find Linum rigidum in USDA Plants
FNA: Find Linum rigidum in the Flora of North America (if available)
Google: Search Google for Linum rigidum
MetadataRecord Modified: 2009-04-18
Research By: TWC Staff