Hypericum densiflorum Pursh - Bushy St. John's Wort


 

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Hypericum densiflorum - (image 1 of 4)

 

Taxonomy

Family: Hypericaceae

Habitat

Wet meadows and moist bottomlands, occasionally on rocky slopes.

Associates

 

Distribution

Coastal plain from NJ to SC, and in mountains from southwest PA to northern GA and central AL.

Morphology

Shrub to 2(-3) m, much branched above; leaves articulate at the base, linear to narrowly elliptic or often oblanceolate, 2-4+ cm; flowers 7-many in a large, compound, dichasial cyme, 10-15 mm wide; styles 3(4), connate at the base and forming a beak on the fruit; fruit mostly 4.5-6 mm, to 3 mm diameter, shallowly sulcate, 3(4) locular, the partitions meeting in the center but not joined.

Notes

Flowers July to September

Wetland indicator: FACW

Similar to H. prolificum but with slightly smaller fruits (6 x 3 mm) and more flowers per inflorescence (7-many).

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