Hypericum hypericoides subsp. multicaule

(Michaux ex Willdenow) N. Robson
Taxon 29: 273. 1980.
Endemic
Basionym: Ascyrum multicaule Michaux ex Willdenow Sp. Pl. 3: 1472. 1802
Synonyms: A. helianthemifolium Spach A. hypericoides var. multicaule (Michaux ex Willdenow) Fernald A. spathulatum W. P. Adams & N. Robson Hypericum hypericoides var. multicaule (Michaux ex Willdenow) Fosberg H. stragulum
Treatment appears in FNA Volume 6. Treatment on page 87.

Plants decumbent to prostrate, branching from base, mat-forming, 0.5–3 dm. Leaf blades usually oblanceolate, 10–20 × 3–6 mm, broadest beyond middle. Inflorescences: branching dichasial (1–3-flowered) or lateral. 2n = 18.


Phenology: Flowering summer (Jun–Aug).
Habitat: Dry, rocky slopes, road embankments, dry to moist, rich woods
Elevation: 70–900 m

Distribution

V6 146-distribution-map.jpg

Ala., Ark., Del., D.C., Ga., Ill., Ind., Kans., Ky., La., Md., Mass., Miss., Mo., N.J., N.Y., N.C., Ohio, Okla., Pa., Tenn., Tex., Va., W.Va.

Discussion

Selected References

None.

Lower Taxa

None.

Norman K. B. Robson +
(Michaux ex Willdenow) N. Robson +
Ascyrum multicaule +
Ala. +, Ark. +, Del. +, D.C. +, Ga. +, Ill. +, Ind. +, Kans. +, Ky. +, La. +, Md. +, Mass. +, Miss. +, Mo. +, N.J. +, N.Y. +, N.C. +, Ohio +, Okla. +, Pa. +, Tenn. +, Tex. +, Va. +  and W.Va. +
70–900 m +
Dry, rocky slopes, road embankments, dry to moist, rich woods +
Flowering summer (Jun–Aug). +
A. helianthemifolium +, A. hypericoides var. multicaule +, A. spathulatum +, Hypericum hypericoides var. multicaule +  and H. stragulum +
Hypericum hypericoides subsp. multicaule +
Hypericum hypericoides +
subspecies +