Symphyotrichum depauperatum (Fernald) G.L. Nesom - Serpentine Aster


 

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Symphyotrichum depauperatum - (image 1 of 4)

 

Taxonomy

Family: Asteraceae

Habitat

Serpentine barrens with one disjunct population found on diabase.

Associates

 

Distribution

Southeast PA and adjacent MD. Disjunct in Granville County NC.

Morphology

Herbaceous perennial; plants glabrous throughout; stems slender, diffuse, 10-40 cm; cauline leaves usually deciduous by anthesis except for the reduced subulate ones of the inflorescence; heads with 16-32 flowers, rays 9-16, 0-3 more than those of the disk.

Notes

Flowers  August to October

Wetland Indicator: NA

A rare endemic found primarily on serpentine soils. Federally listed as endangered.

References

Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Ed.

The New York Botanical Garden. Bronx, NY

 


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Michael Hough 2018