如何区分罗汉松和竹柏？ -题库考试答案搜索网

如何区分罗汉松和竹柏？

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2022-04-26 22:01

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正确答案

竹柏P.nagi（Thunb.）Zoll.etMor.：叶对生，革质，卵形或卵状披针形，有多数并列的细脉，无中脉。小孢子叶球穗状圆柱形，单生叶腋，常呈分枝状。材质细致均匀，硬度中等，可供建筑、家具、文具、工艺等用材；种子榨油供食用或工业用。
罗汉松P.macrophyllus（Thunb.）D.Don叶条状披针形，中脉显著隆起。种子卵圆形，成熟时呈紫色，颇似一秃顶的头，而其下的肉质种托，膨大呈紫红色，仿佛罗汉袈裟，故名罗汉松。产于江苏、浙江、云南、广西等省。北方常有温室栽培。

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标签：大学试题农学

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