球果是大多数裸子植物具有的生殖结构,球果由:胚轴、苞鳞、不发育的短枝、种子、种鳞组成。 球果生于叶腋,直立,成熟后种鳞自宿存中轴上脱落,叶扁平,上面中脉微凹,枝上无叶枕。 具球果的多为松柏纲植物。
...详细信息 关键词: 杉木;球果;炭疽病;Colletotrichum sp;生物学特性 [gap=674]Keywords: Cunninghamia lanceolata;Cone;Anthracnose;Colletotrichum sp.
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此外,大部分雌苏铁球果的结构似乎与风直接授粉不一致。
Furthermore, the structure of most female cycad cones seems inconsistent with direct pollination by wind.
苏铁雄球果的结构与花粉的风传播相当一致,花粉云从一些较大的球果中释放出来。
The structure of cycads male cones is quite consistent with the wind dispersal of pollen, clouds of which are released from some of the larger cones.
斯茂拉赫已经掘了个洞,深度足以到达下层的针叶和球果。
Smaolach had dug a hole deep enough to reach a layer of dry needles and cones.
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