Difference between revisions of "Hypericum mutilum subsp. mutilum"
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Latest revision as of 22:23, 5 November 2020
Stems: apical internode shorter than adjacent one or almost absent. Leaf blades variable, rarely broadly ovate or suborbiculate. Inflorescences: branching from 2–10 nodes, mostly dichasial. Sepals not imbricate or broader beyond middle or, if imbricate, leaves not broadly ovate to suborbiculate. 2n = 16.
Phenology: Flowering summer–fall (Jun–Oct).
Habitat: Ditches, marshes, lake margins, desiccated temporary pools
Elevation: 0–400 m
Distribution
B.C., N.B., N.S., Ont., Que., Sask., Ala., Ark., Calif., Colo., Conn., Del., D.C., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Miss., Mo., Nebr., N.H., N.J., N.Y., N.C., Ohio, Okla., Oreg., Pa., R.I., S.C., Tenn., Tex., Utah, Vt., Va., Wash., W.Va., Wis., widely introduced in Central America, South America, Europe, Pacific Islands (Hawaii, New Zealand).
Discussion
The records of subsp. mutilum from British Columbia and Saskatchewan and from California, Colorado, Oregon, and Utah (no details seen) are almost certainly all the result of introduction, as may be some other peripheral records.
Selected References
None.