Microsaccus is a genus of flowering plants from the orchid family, Orchidaceae. It is native to Southeast Asia.
These miniature epiphytes produce laterally flattened, distichously arranged leaves on thin stems.
The usually two-flowered inflorescences are short. The spurred, minuscule flowers have a simple labellum. The flowers have four pollinia. Within the fruits there are pale brown to whitish trichomes with an oblong-elliptic basal zone. They have perforations in the basal region.
The generic name Microsaccus is composed of the Greek words üùúÃÂÃÂà(mikrós) meaning small and saccus meaning sack, which refers to the labellum.
Microsaccus truncatus is known to grow epiphytically in montane forest at 1200 m above sea level. Microsaccus griffithii occurs in forests at elevations of 500âÂÂ2770 m above sea level.
Microsaccus uses CAM photosynthesis.
The genus contains 13 accepted species:
It is closely related to the genus Jejewoodia. One species, namely Jejewoodia longicalcarata (Ames & C.Schweinf.) J.J.Wood used to be Microsaccus longicalcaratus Ames & C.Schweinf. It has been suggested to reunite these two genera, due to their similar appearance. Another closely related genus is Adenocos, which does not have a spur, unlike the former two genera.
Microsaccus can be cultivated under moist conditions with a lot of air movement, and intermediate temperatures. The plants should be placed in a semi-shaded position. It is rarely cultivated.