Northern Prairie Wildlife Research Center
Southern Wetland Flora
Field Office Guide to Plant Species
Bedstraw St. Johnswort
Hypericum galioides Lam.
- Family: St. Johnswort (Hypericaceae)
- Flowering: June-August
- Field Marks: This woody St. Johnswort differs from other woody species of Hypericum by
having leaves up to 1/3 inch wide and less than 1 1/2 inches long, and capsules less than
1/3 inch long.
- Habitat: Swamps, stream banks, marshes.
- Habit: Shrub with 1-several stems.
- Stems: Upright, woody, much branched, slender, smooth, up to 4 1/2 feet tall.
- Leaves: Opposite, simple, oblanceolate, pointed or rounded at the tip, tapering to the sessile
base, without teeth, smooth, dotted, up to 1 1/2 inches long, up to 1/3 inch wide.
- Flowers: Many in compound cymes, up to 3/4 inch across.
- Sepals: 5, green, free from each other, up to 1/5 inch long.
- Petals: 5, yellow, free from each other, with a tooth near the tip.
- Pistils: Ovary superior; styles 3.
- Fruits: Capsules obconic, up to 1/3 inch long; seeds dark brown, less than 1/20 inch long.
- Notes: There are usually short branchlets in the axils of the leaves.
Previous Species -- Sandweed St. Johnswort (Hypericum fasciculatum)
Return to Species List -- Group 5
Next Species -- Atlantic St. Johnswort (Hypericum reductum)