‖ icosandria Bot.
(aɪkəʊˈsændrɪə)
[mod.L. (Linnæus 1735), f. Gr. εἴκοσι twenty + ἀνήρ, ἀνδρ- man, male, taken as ‘stamen’.]
The twelfth class in the Linnæan Sexual System, containing plants with 20 or more stamens inserted on the calyx.
| 1753 Chambers Cycl. Supp., Icosandria... Of this class are the torch thistle, the myrtle, the storax, the almond, &c. 1794 Martyn Rousseau's Bot. ix. 89 The situation of the stamens, which in the class icosandria, is either on the calyx or corolla. |
Hence icoˈsander [F. icosandre], a plant of the class Icosandria; icoˈsandrian, icoˈsandrous adjs., belonging to the class Icosandria.
| 1828 Webster, Icosander..Icosandrian. 1836 Penny Cycl. V. 253/1 Icosandrous. 1880 Gray Struct. Bot. vi. §6. 249 Icosandrous..when a polyandrous flower has the stamens inserted on the calyx. |