Hypertext Webster Gateway: "Didynamia"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Didynamia \Did`y*na"mi*a\, n. pl. [NL., fr. Gr. di- = di`s-
twice + ? power.] (Bot.)
A Linn[ae]an class of plants having four stamens disposed in
pairs of unequal length.
Additional Hypertext Webster Gateway Lookup
Gateway by dict@stokkie.net
stock only wrote the gateway and does not have any control over the contents;
see the Webster Gateway FAQ,
and also the Back-end/database links and credits.