What is "pilostemon"

Pilostemon is a genus of Asian plants in the thistle tribe within the daisy family.

1. Pilostemon filifolia (C.Winkl.) Iljin - Altay, Kazakhstan, Uzbekistan, Xinjiang, Kyrgyzstan
2. Pilostemon karategini (Lipsky) Iljin - Kazakhstan, Uzbekistan, Xinjiang, Kyrgyzstan, Iran, Afghanistan