The absorbing capacity of the germinating seed is negatively correlated to the quantity of the local precipitation, but positively correlated to the weight of the seed bracts.

 
  • 種子萌發(fā)時(shí)的吸水量與其原產(chǎn)地的降水量呈負相關(guān),而與種子苞片的重量呈正相關(guān),其中生長(cháng)在惡劣生境條件下的材料,苞片毛較重而密,種子吸水量較高;
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