| 释义 |
valvate, a. Bot.|ˈvælvət|
[ad. L. valvāt-us having folding-doors, f. valva valve n.]
1. Of sepals or petals: Applied to each other by the margins only.
1830Lindley Nat. Syst. Bot. 51 Hamamelideæ, which are known by their habit,..and also by their valvate sepals and petals. 1870Hooker Stud. Flora p. xi, Malvaceæ:..Sepals 5, valvate.
b. Of a calyx: Composed of sepals so united.
1858Carpenter Veg. Phys. §556 The calyx of the Rhamneæ being valvate (i.e. the sepals, before expanding, having their edges in proximity with each other). 1877Hulme Wild Flowers I. p. xiii, Calyx five-partite, valvate in bud.
2. Of æstivation or vernation: Characterized by this arrangement of parts.
1829Lindley Synops. Brit. Bot. 72 Calyx monophyllous, 4–5 cleft, with a valvate æstivation. 1849Balfour Man. Bot. §186 Sometimes they are..placed so as to touch each other by their edges; thus giving rise to valvate vernation. 1861Bentley Man. Bot. 218 The valvate æstivation may be seen in the calyx of the Lime. |