Ionactis linariifolia

Ionactis linariifolia also known as the flax-leaf ankle-aster, flaxleaf whitetop or simply aster[2] is a North American species of plants in the daisy family.

Ionactis linariifolia
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Asterales
Family:
Asteraceae
Genus:
Ionactis
Species:
I. linariifolia
Binomial name
Ionactis linariifolia
(L.) Greene 1897
Synonyms[1]

Ionactis linariifolia grows across much of eastern and central North America from Florida north as far as Québec and New Brunswick, and west to extreme eastern Texas.[3]

Ionactis linariifolia is an herb up to 70 cm (28 inches) tall. Leaves are green, long and narrow, up to 4 cm (1.6 inches) long. The plant usually produces several flower heads in a flat-topped array. Each head has blue, white, or violet ray flowers surrounding numerous yellow disc flowers.[4]

It was initially classified by Carolus Linnaeus as Aster linariifolius,[5] known as the stiff-leafed aster.[6] Ionactis was classified as a separate genus by Edward Lee Greene in 1897.[7]

1913 Line drawing

References
  1. The Plant List, Ionactis linariifolia (L.) Greene
  2. http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250067004 Flora of North America
  3. Biota of North America Program 2014 county distribution map
  4. Flora of North America, Ionactis linariifolia (Linnaeus) Greene, 1897. Flax-leaf ankle-aster, flaxleaf whitetop or aster, aster à feuilles de linaires
  5. Linnaeus, Carl von. 1753. Species Plantarum 2: 874 in Latin
  6. Stanwyn G. Shetler; Sylvia Stone Orli (2000). "Annotated Checklist of the Vascular Plants of the Washington-Baltimore Area. Part 1. Ferns, Fern Allies, Gymnosperms and Dicotelydons" (PDF). Department of Botany. National Museum of Natural History: 22. S2CID 134043246. Retrieved May 27, 2020. Cite journal requires |journal= (help)
  7. Greene, Edward Lee. 1897. Pittonia 3(17C): 245–246
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