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Cutleaf ironplant

Xanthisma spinulosum (Pursh) D. R. Morgan

[=Haplopappus spinulosus (Pursh) DC. ]

[=Machaeranthera pinnatifida (Hook.) Shinners ]

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Cutleaf ironplant
Cutleaf ironplant
Cutleaf ironplant leaves
Cutleaf ironplant
Cutleaf ironplant inflorescence
Cutleaf ironplant
Cutleaf ironplant
Cutleaf ironplant head
Cutleaf ironplant
Cutleaf ironplant
Cutleaf ironplant
Cutleaf ironplant head
Cutleaf ironplant

Morphology

Stem
Erect or ascending, usually numerous, simple below, branched above, sparsely hairy to glandular-woolly, sometimes glabrous.
Leaves
Alternate, sessile, oblong to narrowly spatulate in outline, .5 to 2.5 inches long, less than .5 inch wide, pinnately divided into bristle-tipped segments; upper leaves reduced.
Inflorescence
Heads, several to solitary, about 1/2 inch wide, terminal; bracts linear, overlapping in 4-6 series, bristle-tipped.
Flower
Ray florets 15-40, less than 1/2 inch long, yellow; disk florets numerous, corollas yellow.
Fruit
Achenes, sparsely hairy, tipped with yellowish brown, hair-like bristles, enclosing small seed.

Ecology

Habitat
Dry, sandy or gravelly open prairies, pastures, and roadsides.
Distribution
West 2/3 of Kansas.
Reproduction
None

Practical Information

Toxicity
None
Forage Value
None
Uses
None

Additional Notes

Comments

When dried, this plant has a hard, woody base, thus the name "ironplant". Cutleaf ironplant is hardy and withstands drought well. It has a woody taproot that can grow 3-4 feet long.

Special Notes: None

Synonyms

Alternative scientific names that have been used for this plant.

Scientific Name: Haplopappus spinulosus

Full Citation: Haplopappus spinulosus DC.

Scientific Name: Machaeranthera pinnatifida

Full Citation: Machaeranthera pinnatifida Shinners

Quick Facts
Plant Type
Wildflower
Family
Asteraceae - Sunflower Family
Life Span
Perennial
Height
6-20 inches
Last Updated
2007-10-05
Color Groups
Yellow Wildflowers
Flowering Period
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Blooms: May, June, July, August, September