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Family: Asteraceae
arrow-leaved aster, more...
[Aster cordifolius subsp. sagittifolius L., more ]
Etymology: Aster: from the Greek aster, "a star," describing the radiate heads of the flowers
Plants: erect, perennial, 1 1/2' - 4' tall forb; stems with the upper half usually densely hairy Leaves: hairy below, shallowly-toothed, mostly oval to lance-like with heart-shaped bases on long winged stalks Flowers: head 1"-1 1/2" wide with 10-20 blue rays, bracts (phyllaries) somewhat loose; inflorescence of many heads in conical, branched clusters Habitat: clearings, open woods
- Leaf bases cordate,
- Leaf margins toothed - Petioles prominently winged - Leaves sparsely pubescent, not sand papery (vs. S. drummondii) - Stems mostly hairless or hairs in lines (vs. S. drummondii) - Rays white (vs. S. ciliolatum), discs yellow turning maroon - Inflorescence narrow, branches ascending - Most similar to S. ciliolatum |
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© Wisconsin State Herbarium, UW-Madison
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