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Key to Hypericum, Key C: shrubby St. John's-worts with broader leaves (mostly lanceolate or oblanceolate) and flowers with 5 petals and 5 sepals
1 Leaves cordate-clasping at the base, ovate, averaging about 2× as long as wide; [of s. SC southward]; shrub wandlike or branched, becoming corky-thickened below; [Coastal Plain, se. SC south to s. FL, west to s. MS]; [section Myriandra, subsection Brathydium]
1 Leaves cuneate at the base, oblanceolate, oblong, elliptic, or narrowly elliptic, 2.5-10× as long as wide; shrub prolifically bushy-branched when well-developed, with thin bark; [collectively widespread]; [section Myriandra, subsection Centrosperma].
..2 Leaves mostly narrowly oblanceolate, the larger 2-3 cm long, 2-5 (-7) mm wide, mostly 5-10× as long as wide; seeds 0.4-0.8 mm long, dark brown
..2 Leaves mostly oblong, elliptic, narrowly elliptic, or broadly oblanceolate, the larger (2-) 3-7 cm long, 1-15 mm wide, mostly 2.5-7.5× as long as wide; seeds 0.8-1.5 mm long, amber to medium or dark brown.
....3 Flowers solitary, terminal (or in 3-flowered terminal cymes); petals 10-20 mm long; sepals 7-15 mm long; shrubs to 1 m tall