Diplocaulobium arachnoideum 'OrchidFix Tiny Gem' (division)
Rarely sold species. Also known as Dendrobium arachnoidium (referring to the spider-like flowers), this is a compact species Native to New Guinea. Cool to warm grower that has round pseudobulbs that produce a single long stemmed leaf. Reaches 10 inches max height. Flowers are large (4 inches), white, and only last about a day with one flower per leaf stalk. Bright indirect-medium light recommended.
Divisions will have 3-4 pseudobulbs and may or may not have roots (they are currently being rooted now). These can be rooted easily in chunky media topped with moss and kept dampened.
Photo credit: Ed de Vogel, based on Leiden cult. 20030873 (National Capital Botanic Gardens Port Moresby s.n.)