Arundina graminifolia subsp. caespitosa orchid information,

Arundina graminifolia subsp. caespitosa, (Aver.) H.A.Pedersen & Schuit. 2014 (Kew)

Arundina caespitosa (syn. graminifolia) differs from Arundina graminifolia in flower size. A. caespitosa flower is smaller than 60 cm, while A. graminifolia i slarger, around over 100 cm.

Arundina graminifolia subsp. caespitosa is accepted species in the family Orchidaceae subfamily: Epidendroideae, tribe: Arethuseae, subtribe: Arethusinae,
Genus Arundina
Infraspecific taxa recognized within Arundina graminifolia: infraspecific taxa
This species is found in Sri Lanka, Assam to W. & C. Malesia.