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

V6 145-distribution-map.jpg

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.

Norman K. B. Robson +
(Linnaeus) Crantz +
Ascyrum hypericoides +
Ala. +, Ark. +, Del. +, Fla. +, Ga. +, Ill. +, Ky. +, La. +, Md. +, Miss. +, Mo. +, N.J. +, N.C. +, Okla. +, S.C. +, Tenn. +, Tex. +, Va. +  and W.Va. +
0–1000 m +
Dry, open, sandy woods to moist, shady, rich woods and thickets +
Flowering summer–fall (Jun–Oct). +
Inst. Rei Herb. +
Ascyrum crux-andreae var. angustifolium +, A. linifolium +, A. michauxii +, A. montanum +, A. oblongifolium +  and A. plumieri +
Hypericum hypericoides subsp. hypericoides +
Hypericum hypericoides +
subspecies +