Sobralia macrantha or large-flowered Sobralia is the most grown orchid of the genus Sobralia.
It is very easy to grow, care is similar to that of Cymbidiums.
Sobralia macrantha is a terrestrial, rarely epiphytic, orchid with bamboo-like stems and leaves.
Stems are up to 2.5 m long.
Leaves are narrowly to widely lanceolate, plicate, pointed, spreading and rigid.
The terminal inflorescence is short and conical. The flowers appear sequentially and the bloom lasts 1-2 days, but the plant blooms for a longer period of time. Sepals and petals are pink. The lip is very large with a dark pink margin, white inside with a yellow tint. The flowers are up to 15 cm in diameter.
Cattleya macrantha, Sobralia macrantha var. alba, Sobralia macrantha f. alba, Sobralia macrantha var. macrantha, Sobralia macrantha var. purpurea
Sobralia: in honor of Dr. Francisco Sobral, Spanish botanist of the 18th century
Macrantha: from the Greek makrós (big, long) and ánthos (flower)
Mexico to Costa Rica
On leaf waste over rocks, sandy soils, at 90-3,400 m altitude
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 macrantha: Rl