Hypericum hypericoides subsp. hypericoides
Synonyms: Ascyrum crux-andreae var. angustifolium Nuttall A. linifolium Spach A. michauxii Spach A. montanum Rafinesque A. oblongifolium Spach A. plumieri Bertoloni
Treatment appears in FNA Volume 6. Treatment on page 87.
Plants erect, usually unbranched from base and freely branched well above ground level, 3–15 dm. Leaf blades usually narrowly elliptic to narrowly oblong, 7–25 × 1–8.5 mm, broadest near middle. Inflorescences: branching dichasial/lateral to pseudodichotomous. 2n = 18.
Phenology: Flowering summer–fall (Jun–Oct).
Habitat: Dry, open, sandy woods to moist, shady, rich woods and thickets
Elevation: 0–1000 m
Distribution
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Ala., Ark., Del., Fla., Ga., Ill., Ky., La., Md., Miss., Mo., N.J., N.C., Okla., S.C., Tenn., Tex., Va., W.Va.
Discussion
Subspecies hypericoides is probably extirpated in Illinois.
Selected References
None.
Lower Taxa
None.