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Orobanche uniflora - (image 1 of 5)

Taxonomy

Family: Orobanchaceae

Habitat

Moist woods and streambanks.

Associates

 Distribution

Newfoundland and Quebec to Yukon, south to FL and CA.

Morphology

Parasitic on many species of plants; stems all or mostly underground, 1-3(-5) cm, with a few overlapping, oblong-ovate, glabrous, blunt or apiculate scales; pedicels 1-3, 6-20 cm, erect, finely glandular hairy, without bractlets, each with a single white or violet flower to 2 cm; calyx lobes 5, about equal, triangular-acuminate, slightly longer than the tube; corolla tubular, much longer than the lobes.

Notes

Flowers late spring to early summer.

Wetland indicator: UPL

Although perennial the stem is subterranean and flowers are not produced every year, so finding this plant is a chance event.

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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