Stiffstem flax
Linum rigidum Pursh var. rigidum
Images
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Morphology
- Stem
- Erect, stiff, ascending branches near top.
- Leaves
- Alternate, stiff, linear to linear-lanceolate, .4 to 1.2 inches long, about .1 inch wide; tips pointed to tapering pointed; margins usually entire.
- Inflorescence
- Panicle, open, terminal on each branch.
- Flower
- .5 to .75 inch across; sepals lanceolate, margins with minute, gland-tipped teeth; petals 5, yellow with brown to red coloration near base; stamens 5; pistil 1, with 5 segments.
- Fruit
- Capsules, elliptic, thin-walled, 5-segmented, each segment 2-seeded; seeds small, brownish.
Ecology
- Habitat
- Prairies, disturbed areas and open, wooded hillsides; sandy soils.
- Distribution
- West 1/2 of Kansas.
Practical Information
- Toxicity
- Stiffstem flax is said to contain saponin, which can cause livestock poisoning, particularly in sheep.
Additional Notes
Comments
The petals usually drop after one or two days.
Special Notes: Closely related to Berlandier's flax .
Quick Facts
- Plant Type
- Wildflower
- Family
- Linaceae - Flax Family
- Life Span
- Annual
- Height
- 8-20 inches
- Last Updated
- 2007-10-02
Color Groups
Yellow Wildflowers
Flowering Period
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Blooms: May, June, July