Aureolaria pedicularia (L.) Raf. - Fern-leaved False Foxglove


 

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Aureolaria pedicularia - (image 1 of 5)

 

Taxonomy

Family: Orobanchaceae

Habitat

Oak woods.

Associates

Parasitic on Quercus  spp.

Distribution

MA to Ontario and MI, south to FL and AL.

Morphology

Herbaceous, hemiparasitic annual; stems to 1 m, puberulent to glandular-hairy, much branched; principal leaves 3-6 cm, sessile or subsessile, pinnatifid, with 5-8 pairs of irregularly serrate or deeply clefts pinnae; pedicels upcurved, 1-2 cm at anthesis, stipitate-glandular; calyx and corolla stipitate-glandular or glandular-hairy, the calyx lobes spreading, foliaceous, 7-10 mm, crenate or pinnatifid to entire; corolla yellow, tinged or marked with brown, 2.5-4 cm; fruit ellipsoid or ovoid, glandular-hairy, 10-15 mm; seeds 0.8-1 mm, wingless.

Notes

Flowers August to September

Wetland Indicator: NA

Other Aureolaria spp. are perennial and have corollas that are solid yellow, without brown markings. These photos were taken in central NY and therefore would represent typical A. pedicularia which has the upper part of the stem not conspicuously glandular.

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