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Naturalized flora of The Morton Arboretum
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Erigeron pringlei
A. Gray
Family:
Asteraceae
Pringle's Fleabane
Sue Carnahan
FNA
Resources
Guy L. Nesom in Flora of North America (vol. 20)
Perennials,
4-16 cm; taprooted, caudex branches relatively thick, short, retaining old leaf bases.
Stems
erect, sparsely to moderately strigose, eglandular.
Leaves
basal (persistent) and cauline; basal blades obovate-spatulate, (10-)20-60 × 4-10 mm, margins apically 3-lobed to pinnatifid (lobes 2-3(-5) pairs), faces sparsely strigose, eglandular; cauline blades narrowly oblanceolate, gradually reduced distally, margins entire.
Heads
1(-3).
Involucres
3.5-4.5 × 5-6 mm.
Phyllaries
in 3-4 series (purplish), glabrous or sparsely strigose, minutely glandular.
Ray florets
20-35; corollas white to pinkish, sometimes with abaxial lilac midstripe, 6-8 mm, laminae reflexing.
Disc corollas
2.5-3.5 mm.
Cypselae
1.2-1.6 mm, 2-nerved, faces sparsely strigose;
pappi:
outer of setae or lanceolate scales, inner (persistent) of 11-16 bristles.
Flowering May-Aug(-Sep). Ledges and crevices, usually shaded; of conservation concern; 1500-2800 m; Ariz.
Open Interactive Map
Sue Carnahan
Sue Carnahan
Dan Beckman
Dan Beckman
Dan Beckman
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