The guar bean or cluster bean, an annual legume, is the source of guar gum. It grows best under conditions with frequent rainfall, but tolerates arid conditions well.

• 瓜尔豆或瓜胶豆，它是一种一年生豆类植物，它是瓜尔胶的原料。在多雨条件生长的很好，但也能够抵抗干旱的气候条件。