Native Plants

Plant Database

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Newsom, Charles Ray

Linum rigidum var. rigidum

Linum rigidum Pursh var. rigidum

Stiffstem Flax

Linaceae (Flax Family)

Synonym(s): Cathartolinum earlei, Cathartolinum rigidum, Mesynium rigidum

USDA Symbol: LIRIR

USDA Native Status: L48 (N), CAN (N)

From the Image Gallery

60 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Annual , Perennial
Habit: Herb
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Leaf Shape: Linear
Breeding System: Flowers Bisexual
Fruit Type: Capsule
Size Notes: Up to about 20 inches tall.

Bloom Information

Bloom Color: Yellow
Bloom Time: May , Jun , Jul , Aug , Sep

Distribution

USA: AR , CO , IA , IL , KS , MN , MO , ND , NE , NM , OK , SD , TX , WI , WY
Canada: AB , MB , SK

Wildflower Center Seed Bank

LBJWC-1030 Collected 2007-05-07 in Medina County by Lady Bird Johnson Wildflower Center

1 collection(s) available in the Wildflower Center Seed Bank

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Linum rigidum var. rigidum in USDA Plants
FNA: Find Linum rigidum var. rigidum in the Flora of North America (if available)
Google: Search Google for Linum rigidum var. rigidum

Metadata

Record Modified: 2025-03-05
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