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.
reddish +  and black +
yellow;orange +
oblong;ellipsoid +
acute;subapiculate;obtuse +
Norman K. B. Robson +
(Linnaeus) Crantz +
striate +  and smooth +
punctiform +
not articulated +
distinct +
rounded +  and cuneate +
Ascyrum hypericoides +
0.5 cm5 mm <br />0.005 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
narrowly compressed-ovoid;cylindric-ellipsoid +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
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 +
connate +  and distinct +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Dry, open, sandy woods to moist, shady, rich woods and thickets +
narrowly cylindric +  and pyramidal +
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
2 cm20 mm <br />0.02 m <br /> (?) +
terete +  and angled +
0.7 cm7 mm <br />0.007 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
usually narrowly elliptic;narrowly oblong +
broadest;1mm;8.5mm +
glanduliferous +, petiolate +, pseudopetiolate +, subsessile +, sessile +, estipulate +  and simple +
persistent +  and deciduous +
glandular-ciliate +
0.5 cm5 mm <br />0.005 m <br /> (1.25 cm12.5 mm <br />0.0125 m <br />) +
ovate-suborbiculate +  and narrowly elliptic +
0.2 cm2 mm <br />0.002 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
incompletely axile +  and parietal +
glanduliferous +
contorted +  and imbricate +
pale-yellow +
deciduous +
distinct +
obovate;narrowly oblongelliptic +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Flowering summer–fall (Jun–Oct). +
Inst. Rei Herb. +
not carinate +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (?) +  and 0.08 cm0.8 mm <br />8.0e-4 m <br /> (?) +
persistent +
connate +  and distinct +
unequal +
persistent +
connate +  and distinct +
spreading;more or less appressed +
elongate +
Ascyrum crux-andreae var. angustifolium +, A. linifolium +, A. michauxii +, A. montanum +, A. oblongifolium +  and A. plumieri +
Hypericum hypericoides subsp. hypericoides +
Hypericum hypericoides +
subspecies +
scalariform +
finely linear-reticulate +  and linear-foveolate +
branched +  and unbranched +
perennial +  and annual +
hairy +  and glabrous +
6 +, 9 +  and 7 +