Triadenum

noun

Tri·​a·​denum

ˌtrīəˈdēnəm

in some classifications

: a genus of North American herbs (family Guttiferae) comprising two forms usually included in the genus Hypericum but distinguished when separated chiefly by the pink or purple flowers and the three large glands alternating with three sets of stamens

Word History

Etymology

New Latin, from tri- + Greek adēn gland

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