Why is dahlia called Tianma flower?

Why is dahlia called Tianma flower?

1. Reasons

First of all, dahlia is not Gastrodia elata. The reason it is called Gastrodia elata flower is that both Gastrodia elata and dahlia have an enlarged and mutated rhizome underground, and the appearance and color of the two are very similar. For this reason, dahlia is called Gastrodia elata flower in some places. However, it should be noted that dahlia is not Gastrodia elata.

2. Appearance characteristics

The stem of dahlia is upright, with many branches and a height of about 1.5-2m. The flowers are white, red or purple and have three indistinct teeth at the tip. The upper leaves are sometimes divided, the lobes are ovate or oblong-ovate, the lower part is gray-green and hairless on both sides.

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