Hypericum annulatum is a species of flowering plant in the family Hypericaceae. It is closely related to Hypericum montanum which is its sister species.
Hypericum annulatum was first described in 1827 by Moris in Stirp. Sard. volume 9. The holotype and isotype were both collected in Sardinia.
Hypericum annulatum has three subspecies:
Hypericum annulatum subsp. afromontanum
Hypericum annulatum subsp. annulatum
Hypericum annulatum subsp. intermedium
The species is a perennial herb that grows 0.2-0.75 ...
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