它们可能在以花为食的鸟类和昆虫或者搬运花粉的捕乳动物还在四处游荡之前开花。
They may flower before the birds and insects that feed on them, or the mammals that carry their pollen, are at large.
使用浸渍法测定了泽漆乳浆及乙醇提取物对桃蚜的室内杀虫作用和拒食作用。
The insecticidal and antifeeding activity of latex and ethanol extracts of Euphorbia helioscopia L.
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