Hypericum apocynifolium
internodes narrowly 4-winged at first, then 2-lined.
blades oblong to elliptic-oblong, 20–40 × 12–20 mm, base not articulated, broadly cuneate, margins usually plane, rarely recurved, apex rounded to retuse, midrib with 6 pairs of branches.
terminal (1–)3–5(–8)-flowered, narrowly branched.
15 mm diam.;
sepals tardily deciduous, not enclosing capsule, 5, spatulate to elliptic or ovate, unequal, 3–5 × 1.5–2.3 mm;
petals 5, coppery yellow, oblong, 8–10 mm length 2 times sepals;
stamens deciduous, 60–80;
ovary 3-merous, placentation incompletely axile.
cylindric-conic, 6–15 × 4.5–8 mm.
scarcely carinate, 1.8–2 mm;
testa finely scalariform-reticulate.
Hypericum apocynifolium
Hypericum apocynifolium has been included in H. nudiflorum; it can be distinguished from the latter by the fewer, larger flowers with relatively longer, persistent sepals, the larger, thicker-walled capsules, and the seeds, which are ridged and straight rather than carinate and curved.
A record from Georgia in the Flint River drainage has not been verified.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
LA Plants
WildflowerSearch
iNaturalist
USDA Plants Database
