Category Archives: Clusiaceae (Mangosteen Family)

Claspingleaf St. Johnswort (Hypericum gymnanthum Engelm. & A. Gray)

Clusiaceae (Mangosteen Family) Synonym(s): Claspingleaf St. John’s-wort Base Flower Color: YellowReproductive Phenology: Jun, Jul, Aug, Sept For more information about this plant, Click Here.

Nits And Lice (Hypericum drummondii (Grev. & Hook.) Torr. & A. Gray)

Clusiaceae (Mangosteen Family) Synonym(s): Nits And Lice, Drummond’s St. John’s-wort Base Flower Color: YellowReproductive Phenology: Jul, Aug, Sept For more information about this plant, Click Here.

Orangegrass (Hypericum gentianoides (L.) Britton, Sterns & Poggenb.)

Clusiaceae (Mangosteen Family) Synonym(s): Orangegrass, Pineweed Base Flower Color: YellowReproductive Phenology: Jul, Aug, Sept, OctNotes: Similar to Nits and Lice (Hypericum drummondii) but much smaller. For more information about this plant, Click Here.

Golden St. John’s-wort (Hypericum frondosum Michx.)

Clusiaceae (Mangosteen Family) Synonym(s): Cedarglade St. John’s-wort, Golden St. John’s-wort Base Flower Color: YellowReproductive Phenology: May, Jun, Jul, Aug For more information about this plant, Click Here.

Common St. Johnswort (Hypericum perforatum L.)

Clusiaceae (Mangosteen Family) Synonym(s):Klamathweed, St. John’swort Base Flower Color: YellowReproductive Phenology: Jun, Jul, Aug, SeptNotes: A single plant may produce up to 100,000 seeds per year. Seeds buried in soil may last for 10 years. Animals that eat St. Johnswort and then are exposed to direct sunshine develop severe sunburns that are seen as skinContinue reading “Common St. Johnswort (Hypericum perforatum L.)”

Spotted St. Johnswort (Hypericum punctatum Lam.)

Clusiaceae (Mangosteen Family) Base Flower Color: YellowReproductive Phenology: Jun, Jul, Aug, Sept For more information about this plant, Click Here.

Coppery St. John’s-Wort (Hypericum denticulatum Walter)

Clusiaceae (Mangosteen Family) Base Flower Color: YellowReproductive Phenology: Jul, Aug, Sept For more information about this plant, Click Here.

Dwarf St. Johnswort (Hypericum mutilum L. var. mutilum)

Clusiaceae (Mangosteen Family) Base Flower Color: YellowReproductive Phenology: Jun, Jul, Aug, Sept For more information about this plant, Click Here.

St. Andrew’s Cross (Hypericum hypericoides (L.) Crantz)

Clusiaceae (Mangosteen Family) Base Flower Color: YellowReproductive Phenology: May, Jun, Jul, AugBloom Notes: The four petals form a cross. For more information about this plant, Click Here.