Ionactis linariifolius (L.) Greene
Flaxleaf Whitetop Aster, Stiff Aster, Flaxleaf Aster
Asteraceae (Aster Family)
Synonym(s): Aster linariifolius, Aster linariifolius var. victorinii
USDA Symbol: IOLI2
Stiff, leafy stalk is terminated by several flower heads with blue ray flowers and yellow center disc flowers that turn bronzy.
Numerous short stems form a mound of flowers in colors ranging from deepest lavender to pinks and whites.
From the Image Gallery
Plant CharacteristicsDuration: Perennial
Size Notes: Up to about 28 inches tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.
Bloom InformationBloom Color: White , Yellow , Blue , Purple
Bloom Time: Jun , Jul , Aug , Sep , Oct , Nov
DistributionUSA: AL , AR , CT , DC , DE , FL , GA , IA , IL , IN , KS , KY , LA , MA , MD , ME , MO , MS , NC , NH , NJ , NY , OH , OK , PA , RI , SC , TN , TX , VA , VT , WI , WV
Canada: NB , QC
Native Distribution: Southern Ontario to New Brunswick; New England south to northwest Florida; west to Louisiana and eastern Texas; north to Minnesota.
Native Habitat: Dry clearings, rocky banks.
Growing ConditionsLight Requirement: Sun , Part Shade , Shade
Soil Moisture: Dry , Moist
Soil Description: Sandy
BenefitConspicuous Flowers: yes
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Mt. Cuba Center - Hockessin, DE
BibliographyBibref 946 - Gardening with Prairie Plants: How to Create Beautiful Native Landscapes (2002) Wasowski, Sally
Search More Titles in Bibliography
Web ReferenceWebref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Additional resourcesUSDA: Find Ionactis linariifolius in USDA Plants
FNA: Find Ionactis linariifolius in the Flora of North America (if available)
Google: Search Google for Ionactis linariifolius
MetadataRecord Modified: 2022-12-29
Research By: TWC Staff