Ionactis linariifolia (L.) Greene - Flax-leaved Aster


 

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Ionactis linariifolia - (image 1 of 5)

 

Taxonomy

Family: Asteraceae

Habitat

Open woods and edges in dry, sandy or rocky soil.

Associates

 

Distribution

ME and Quebec to northern FL, west to WI, MO, AR and TX.

Morphology

Perennial from a short caudex, sometimes with creeping rhizomes as well; stems several, slender, 10-50 cm, finely puberulent, becoming tomentose-puberulent upward; leaves numerous, firm, linear, entire, minutely scaberulous, scabrous-ciliate on the margins; nerveless except for a prominent midrib, the lowest ones soon deciduous; heads solitary or several in a mostly corymbiform inflorescence; involucres 6-9 mm; involucral bracts imbricate, firm, keeled, greenish hear the apex, finely scaberulous, acute to broadly rounded, the inner fringed-ciliate distally and usually with purplish margins; rays 10-20, violet, sometimes white, broad, 7-12 mm; disk yellow or purplish; achenes long-hairy; pappus double, the inner bristles elongate, firm, tawny, the about 1 mm or less.

Notes

Flowers September to October

Wetland indicator: UPL

Sometimes grown for its compact habit (in sun) and evergreen foliage. Hardy to USDA Zone 4.

References

Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Ed.

The New York Botanical Garden. Bronx, NY

 


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 Michael Hough © 2018