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叶 :条形、披针形、椭圆形等,多螺旋状散生。 球花 :单性,多雌雄异株。 雄球花 :穗状,单生或簇生于叶腋,少顶生,雄 蕊多数,每雄蕊 2 花药。 雌球花 :腋生或顶生, 1 倒立胚珠。

7. 罗汉松科:常绿乔木或灌木. 叶 :条形、披针形、椭圆形等,多螺旋状散生。 球花 :单性,多雌雄异株。 雄球花 :穗状,单生或簇生于叶腋,少顶生,雄 蕊多数,每雄蕊 2 花药。 雌球花 :腋生或顶生, 1 倒立胚珠。 种子 :核果或坚果状,包于薄而干的假种皮中, 或肉质种托,有胚乳, 2 子叶,出土型。. 罗汉松. 雌株. 小叶罗汉松. 竹柏. 长叶竹柏. 鸡毛松. 海南罗汉松. 陆均松.

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叶 :条形、披针形、椭圆形等,多螺旋状散生。 球花 :单性,多雌雄异株。 雄球花 :穗状,单生或簇生于叶腋,少顶生,雄 蕊多数,每雄蕊 2 花药。 雌球花 :腋生或顶生, 1 倒立胚珠。

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  1. 7.罗汉松科:常绿乔木或灌木 叶:条形、披针形、椭圆形等,多螺旋状散生。 球花:单性,多雌雄异株。 雄球花:穗状,单生或簇生于叶腋,少顶生,雄 蕊多数,每雄蕊2花药。 雌球花:腋生或顶生,1倒立胚珠。 种子:核果或坚果状,包于薄而干的假种皮中, 或肉质种托,有胚乳,2子叶,出土型。

  2. 罗汉松 雌株

  3. 小叶罗汉松

  4. 竹柏

  5. 长叶竹柏

  6. 鸡毛松

  7. 海南罗汉松

  8. 陆均松

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