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Hypericum denticulatum - (image 1 of 4)

Taxonomy

Family: Hypericaceae

Habitat

Wet woods, bogs, marshes.

Associates

Distribution

Coastal plain from NJ to GA.

Morphology

Herbaceous perennial; stem simple, virgate, glabrous, 20-70 cm; leaves elliptic to subrotund, 8-20 mm long, one-third to two-thirds as wide; cymes small and few-flowered; bracts lanceolate or subulate; calyx erect and somewhat accrescent; sepals oblanceolate to obovate, varying to lanceolate or ovate; petals 5-10 mm, orange-yellow, persistent and inflexed around the fruit; stamens mostly 50-80, somewhat connate at the base, but not fascicled; fruit ovoid, 3-5 mm, unilocular; styles 3, distinct, persistent, 2-4 mm.

Notes

Flowers July to September

Wetland indicator: FACW

The inflexed, orange-yellow petals of this species are distinctive. A similar species, H. virgatum, also has orange-yellow flowers but usually more of them and more slender leaves. It occurs further inland and was previously treated as a variety of H. denticulatum (var. acutifolium)

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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