Spathoglottis affinis is a species of orchid found from Indochina to western Malesia. It is a pseudobulbous plant with yellow flowers, and capsule fruits. The species was described in 1855.
Taxonomy Spathoglottis affinis was described by Willem Hendrik de Vriese in 1855.
Distribution Spathoglottis affinis is native to the wet tropical biome of India (Assam, Bangladesh, Borneo, Cambodia, Java, Laos, Malaya, Myanmar, Thailand, and Vietnam.
The species grows in grassy areas, in evergreen or deciduous forests, at elevations of .
Description Spathoglottis affinis is a geophyte or epiphyte. It has pseudobulbs, which are somewhat flattened. The flowering shoots are tall. The plant has two to four linear-lanceolate leaves, which are long, and wide.
The flower stems are long. The inflorescences are purple, loose, and covered in short soft hairs. The inflorescence stems are long. The flowers are yellow, and the sepals cometimes have red streaks. The sepals are elliptical, obtuse, or subacute, covered in short soft hairs, long, and wide. The petals are elliptical, obtuse, long, and wide. The labellum has three lobes. The column is yellow and slender.
The fruit is an ellipsoid capsule, measuring long, and wide.
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