a. Bot. [f. prec. + -OUS.] a. Belonging to the class Syngenesia; having the stamens united by their anthers. b. Of the stamens: United by the anthers so as to form a tube, as in the Syngenesia (and in some plants of other classes); also said of the anthers.
1753. Chambers, Cycl. Supp., s.v. Syngenesia, Neither scabious, nor dipsacus, are flosculous, or, as they may much more properly be called, syngenesious plants.
1830. Lindley, Nat. Syst. Bot., 187. [Lobeliaceæ] Monopetalous milky dicotyledons, with … syngenesious stamens. Ibid. (1845), Sch. Bot., i. (1858), 15. The anthers … sometimes grow together, when they are called syngenesious.
1896. Henslow, Wild Flowers, 18. In the Compositæ, the so-called syngenesious condition of the anthers is due to a gummy exudation.
