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Silver maples may produce male flowers on separate trees from the female flowers or both male and female flowers may be produced by the same tree. Flowers emerge before the leaves. Staminate flowers occur in small (1/3" across) clusters on short, lateral spurs from the twigs. The staminate flowers are yellowish-green to red. Individual staminate florets consist of four sepals and 4-6 stamens; there are no petals. Pistillate florets also occur in small (1/3" across) clusters on short peduncles bordered by several scaly bractlets; the florets are greenish-yellow to red in color. Individual pistillate florets consist of four sepals and a pistil with a pair of styles; there are no petals. The female florets are wind pollinated. Fertilized pistillate florets produce a pair of conjoined winged fruits (samaras) at about 90° from each other; when mature, the samaras are light brown and 1.5-2.5" long, falling to the ground in early summer. Unlike most other maples, silver maples produce fruits (samaras) that can germinate in the spring of the year in which they are produced.

Acer

Acer saccharinum

silver maple [Blooms: Mar]