Sobralia xantholeuca or yellow white Sobralia is a tall bamboo-like orchid that can be grown outdoors in Mediterranean climates.
Flowers are big, creamy white and yellow.
It is easy to grow, care is similar to that of Cymbidiums.
Sobralia xantholeuca is a terrestrial or lithophytic orchid that looks somewhat like bamboo.
The hairless stems of about 150 cm long grow from a rhizome and are covered by brown-speckled leaf sheaths.
The leaves are dark green, drooping, lanceolate, narrowing into a point at the tip, 25 cm long and 5 cm wide.
The flowers grow on a dark green bract of 11 cm long. They are creamy yellow with a brighter yellow lip and orange center, 15-22.5 cm. Flowers appear in a raceme of 3-5 flowers, blooming only a few days. They are malodorous.
Fruit is dark green, over 2 cm long.
Herb layer of cool moist forests, at 1,550-1,700 m.
Sobralia: in honor of Dr. Francisco Sobral, Spanish botanist of the 18th century.
Xantholeuca: from the Greek xanthos (yellow or red-yellow) and leucos (bright, white).
Diurnal: 18-24 °C
Nocturnal: 14-16 °C
Sun, light, partial shade
Keep moist, do not allow the substrate to dry out completely
Sandy soil or bark with perlite
20-20-20 fertilizer diluted to half of recommendation, once a week
Divide the plant when repotting.
- Sobralia xantholeuca: Own work