Stemless tetraneuris
Also known as: Stemless hymenoxys, Stemless goldflower
Tetraneuris acaulis Pursh
[=Hymenoxys acaulis (Pursh) K. F. Parker ]
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Morphology
- Stem
- Stemless; flowering stalk leafless, silky.
- Leaves
- All basal, spatulate, .6 to 3.2 inches long, .1 to .33 inches wide, densely silky-hairy, sparsely to moderately gland-dotted; margins entire.
- Inflorescence
- Heads, solitary, terminal on flowering stalks; our populations only rarely with ray florets.
- Flower
- Involucre 1/5 to 1/3 inch tall, 1/2 to 3/4 inch across, receptacle hemispheric or conical; involucral bracts erect, thin, separate, silky, 1/6 to 1/4 inch long; outer bracts 6-10; ray florets (when present) 8-14, 1/5 to 1/3 inch long, yellow, turned downward at maturity; disk florets many, fertile, yellow.
- Fruit
- Achene, top-shaped, weakly angled, coarsely hairy, tipped with 5-7 translucent scales to 1/8 inch long; enclosing small seed.
Ecology
- Habitat
- Dry, rocky hillsides, limestone bluffs, roadsides; calcareous soils.
- Distribution
- West 1/2 of Kansas
Practical Information
- Uses
- Native Americans in the Southwest used a related species to make a stimulant drink or applied a poultice of the plant to hip and back aches.
Additional Notes
Comments
New Latin from Greek akaulos, "without a stem".
Synonyms
Alternative scientific names that have been used for this plant.
Scientific Name: Hymenoxys acaulis
Full Citation: Hymenoxys acaulis K. F. Parker
Quick Facts
- Plant Type
- Wildflower
- Family
- Asteraceae - Sunflower Family
- Life Span
- Perennial
- Height
- 4-12 inches
- Origin
- Native
- Last Updated
- 2010-03-04
Color Groups
Flowering Period
Blooms: May, June, July, August