| 释义 |
dichogamy Bot.|daɪˈkɒgəmɪ|
[mod. f. Gr. type *διχογαµία, n. of state from *διχόγαµος: see prec. and -y: in mod. Ger. and F. dichogamie.]
The condition of being dichogamous, i.e. in which the stamens and pistils (or analogous organs) of a hermaphrodite plant mature at different times.
1862Darwin in Life & Lett. (1887) III. 303 What old C. K. Sprengel called dichogamy and which is so frequent in truly hermaphrodite groups. 1882Vines Sachs' Bot. 906 One of the simplest and commonest means for ensuring cross-fertilisation is Dichogamy, i.e. the arrangement by which the two kinds of reproductive organs, when..contiguous, are mature at different times. |