Stiff-leaved Aster, Flax-leaf Ankle-aster, Flax-leaf Aster, aster à feuilles de linaires
Ionactis linariifolia (L.) Greene is native sandy and sometimes in clay soils in coastal plain communities or sandy cracks and ledges of acid rocks in stream falls or rapids from southern Quebec to New Brunswick south to eastern Texas and Florida (Nesom 2006 FNA). It is the only species in the genus in eastern North America. Plants are basally herbaceous with stems and leaves eglandular, heads usually in loose corymbiform arrays, and disc florets bisexual and fertile. The species is diploid (2n=18).
1-5. Ionactis linariifolia 1. Large plant, North Carolina. 2-3. Small plants and upper leaves and inflorescence, Semple 10731, Allegheny Co., Virginia. 4. Flowering heads, Semple 11570, Monroe Co., Tennessee. 5. Mature fruit, Semple & Chmielewski 6385, Alcorn Co., Mississippi.
Last updated 28 March 2025 by J.C. Semple
© 2025 J.C. Semple, including all photographs unless otherwise indicated