Hypericum mutilum subsp. latisepalum

(Fernald) N. Robson
Bull. Brit. Mus. (Nat. Hist.), Bot. 20: 119. 1990.
Basionym: Hypericum mutilum var. latisepalum Fernald Rhodora 38: 372. 1936
Treatment appears in FNA Volume 6. Treatment on page 94.

Stems: apical internode usually longer than adjacent one. Leaf blades broadly ovate or broadly oblong-ovate to suborbiculate. Inflorescences: branching from 1–4(–6) nodes, branches diffuse and repeatedly monochasial distally. Sepals ± imbricate, broader beyond middle.

Phenology: Flowering late spring–early summer (Apr–Jun).
Habitat: Ditches, marshes, lake margins, desiccated temporary pools
Elevation: 0–200 m


V6 159-distribution-map.jpg

Fla., Ga., N.J., S.C., Tex.


Fernald recorded subsp. latisepalum from New Jersey; D. H. Webb (1980) did not record it north of South Carolina. No specimens have been seen from farther north than Georgia, where it appears to tend morphologically toward subsp. mutilum.

Selected References


Lower Taxa


Norman K. B. Robson +
(Fernald) N. Robson +
Hypericum mutilum var. latisepalum +
Fla. +, Ga. +, N.J. +, S.C. +  and Tex. +
0–200 m +
Ditches, marshes, lake margins, desiccated temporary pools +
Flowering late spring–early summer (Apr–Jun). +
Bull. Brit. Mus. (Nat. Hist.), Bot. +
Sarothra mutila +
Hypericum mutilum subsp. latisepalum +
Hypericum mutilum +
subspecies +