SCIENTIFIC NAME: Philodendron spiritus-sancti

 KNOWN AS: Spiritus Sancti, PSS, The Holy Grail Philodendron

CLIMATE (LOCATION): Espírito Santo, Brazil (Endangered in the wild)

DESCRIPTION: The Spiritus Sancti is widely considered the most legendary and sought-after plant in the aroid world. It features incredibly long, sword-like, pendant foliage that can reach up to 2–3 feet in length. The leaves are a deep matte green with a thick, leathery texture and distinctive "rabbit ear" lobes (auricles) at the top. Historically rare and once costing tens of thousands of dollars, tissue culture has made this "Holy Grail" more accessible, though it remains a prestigious centerpiece for any collector.