Anoectochilus formosanus × burmannicus 'Green' is a hybrid jewel orchid selected primarily for leaf markings. This selection emphasizes fresher greens in the veining against dark, velvety foliage. In a stable microclimate, the leaf texture tends to remain fuller, and the contrast in the markings comes out best.
Origin
This cross does not occur in the wild and was created from breeding work with two natural species. Anoectochilus formosanus has a natural distribution from Vietnam and Hong Kong through the southern Nansei Islands to Taiwan, in sheltered forest conditions, according to Kew.
Anoectochilus burmannicus is found from southern Yunnan to Peninsular Malaysia, according to Kew, with sites that include Laos, Thailand, Vietnam and Myanmar, and grows in humid tropical forest areas.
Because of this forest type of both parent species, an environment with constant humidity and an airy, humus-rich substrate fits best.
Characteristics
The plant remains compact and over time forms a group of rosettes. The leaves are firm and velvety, with a base that can appear dark green to deep brown. The vein pattern is finely branched and in 'Green' usually shows more green to silvery green in its markings than in many Formosanus types. Depending on light intensity and temperature, the intensity of the veins can vary, while the underside frequently shows a subtle purple tone. Because these are living plants, minor differences in markings and color are normal.
Care
Light
Bright, indirect light or partial shade works best. Direct sunlight increases the chance of leaf damage and makes the velvety effect less beautiful faster.
Temperature
An even temperature is most predictable, ideally around 18 to 24 °C. Prolonged below about 15 °C greatly inhibits growth and delays recovery.
Substrate
An airy, humus-rich and moisture-retaining substrate that does not silt up fits well. A fine base with sphagnum and organic components, supplemented with a little fine bark structure, keeps the substrate loose and root-friendly.
Humidity
Higher humidity supports leaf quality and even growth. In a terrarium or enclosed container, this often remains more constant, with light air movement to keep the leaves tidy.
Nutrition
Feeding sparingly during the growing period is usually sufficient, for example once a month with a low dose of orchid nutrition. Over-fertilization can stress the roots.
Watering
The substrate may remain slightly moist continuously, without leaving water at the bottom. Regular small amounts usually work better than occasionally a lot.
Preferably use demineralized water to limit salt build-up.
Flowering
Flowering often appears in fall or early winter with a fine bloom spike and small, light-colored flowers. The ornamental value in this type of orchid remains mainly in the foliage.
