are Machaeranthera and Prumnopitys both the plants?
Machaeranthera Machaeranthera is a genus of North American flowering plants in the daisy family which are known by the common name tansyaster.
Xanthophyllum longum Xanthophyllum longum is a tree in the family Polygalaceae. The specific epithet "longum " is from the Latin meaning "long", referring to the petioles.