释义 |
‖ 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.
1753Chambers Cycl. Supp., Icosandria... Of this class are the torch thistle, the myrtle, the storax, the almond, &c. 1794Martyn 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.
1828Webster, Icosander..Icosandrian. 1836Penny Cycl. V. 253/1 Icosandrous. 1880Gray Struct. Bot. vi. §6. 249 Icosandrous..when a polyandrous flower has the stamens inserted on the calyx. |