Arundina graminifolia (D.Don) Hochr.

Anggrek arundina or bamboo orchid (Arundina graminifolia) is an upright orchid 70-200 cm tall of the Orchidaceae family, widely distributed throughout tropical Asia, from China and India to the Philippines and Papua New Guinea. Its bamboo-like shape makes it easily recognizable among other orchid types. Traditionally, this orchid is believed to prevent dysentery and help stop bleeding.

Grows well at elevations of 400-900 m above sea level, temperature 13-18.5 ºC. Generally found in locations near water and often lives in clumps at one spot. Prefers somewhat shaded, moist areas, not tolerant of direct sunlight.

• Stem jointed like bamboo, short, thick/large, wrapped with the base of the leaf sheath.
• Leaves opposite, thick, large, somewhat stiff and hard, oblong tapering shape like grass, tapering leaf tip.
• Flowers emerge at the stem tip, protected by the flower calyx, flower color depends on environmental conditions, in shaded places the dominant color is white.

• Generative propagation (seed).
• Vegetative propagation (keiki/offshoots and layering).

Stilbenoids, sterols, triterpenes, phenol, flavonoids (3(S),4(S)-3',4'-dihydroxyl-7,8-methylenedioxylpterocarpan, medicarpin, 5-hydroxy-2'',2''-dimethylchromene-(3'',4'':6:7)-flavone, butein, sulfuretin, quercetin, quercetin-β-3-O-glycosides, kaempferol, kaempferol-β-3-O-glycosides, (+)-catechin, steppogenin-4'-O-β-D-glucoside).

Prevents dysentery, diarrhea remedy, stops bleeding, addresses urinary tract infections, liver inflammation, maintains immunity, detoxification, antiarthritis (joint inflammation), antitumor, high blood pressure, diabetes.

Anggrek bambu (Java, Sumatra).