Saint Johnswort Clusiaceae Hypericum
|Leaf: Opposite, simple, oblong, entire margins, 1 to 2 inches long, blue green above, paler below, transparent dots when held up to light (may need a hand lens), clusters of smaller leaves often in leaf axils.
Flower: Bright yellow, 4 or 5 petals and sepals, 1 1/2 inches across, clustered at twig ends, appearing in summer.
Fruit: Dry, usually 5 parted capsules, 1/4 to 1/2 inch across, ripens in late summer.
Twig: Slender, brown, and angled.
Bark: On larger stems finely shreddy and scaly.
Form: A small, sprawling shrub up to 2 feet high.
Looks like: Morrow honeysuckle
- border privet
| Additional Range Information:
Hypericum spp. is native to North America.
Range may be expanded by planting.
See states reporting Saint Johnswort.
| External Links:
USDA Plants Database
|© Copyright 2016, Virginia Tech|
Dept. of Forest Resources
and Environmental Conservation,
all rights reserved.
Photos and text by: John Seiler,
Edward Jensen, Alex Niemiera,
and John Peterson