In the botanical classification of plants, Aeridinae Pfitzer is a subtribe of the tribe Vandeae whose representatives all have a monopodial growth habit and do not possess pseudobulbs.
Aeridinae
Taeniophyllum glandulosum Blume exhibiting monopodial leaflessness
Flowering Chiloschista trudelii Seidenf. specimen with a few vestigial leaves
Flowering Phalaenopsis taenialis (Lindl.) Christenson & Pradhan specimen exhibiting seasonal, deciduous leaflessness
The Vandeae is a large monophyletic tribe within the family of orchids.
Image: Bromheadia brevifolia flower
Image: Cyrtorchis arcuata Orchi 002
Image: Trichoglottis atropurpurea Orchi 2012 09 21 124
Image: Polystachya aconitiflora (inside of the lip) (26256577809)