familyHypericaceae
genusHypericum
sectionHypericum sect. Myriandra
speciesHypericum hypericoides
subspeciesHypericum hypericoides subsp. multicaule
Hypericum hypericoides subsp. multicaule
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
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.