| 释义 |
cleistogamic, a. Bot.|klaɪstəʊˈgæmɪk|
[f. Gr. κλειστός closed (f. κλείειν to close) + γάµ-ος marriage + -ic; cf. phanerogamic.]
Applied to certain small inconspicuous permanently closed flowers, adapted for self-fertilization, occurring in various plants (e.g. Oxalis Acetosella, different species of Viola, etc.) on the same individuals as the normal larger brightly-coloured flowers, which in such cases are either cross-fertilized or barren. So cleistoˈgamically adv., cleiˈstogamous a., cleiˈstogamously adv.; cleistogamy |-ˈstɒgəmɪ|, the occurrence of cleistogamous flowers.
1877Darwin Forms of Fl. Introd. 3 They have been called by Dr. Kuhn [in 1867] cleistogamic. 1879Lubbock Sci. Lect. i. 26 Such ‘cleistogamic’ flowers..are already known to exist in about fifty genera.
1874Lubbock Wild Flowers ii. 39 In the cleistogamous flowers of Oxalis acetosella. 1875Bennett & Dyer tr. Sachs' Bot. iii. vi. 810 The cleistogamous self-fertilised flowers. 1881Moore in Jrnl. Bot. X. 84 Undoubted cases of cleistogamy. 1885Coutts Trotter in Academy 6 June 395/3 The flowers..were fertilised and fruited cleistogamically. 1885H. O. Forbes Nat. Wand. ii. 85 Cleistogamously fertilised. |