Oreorchis patens is a terrestrial orchid from eastern Asia that grows from chains of small pseudobulbs and bears spikes of yellowish flowers with a white, purple-spotted lip. It is a woodland and shade-loving species, best grown cool and humid with protection from hot sun.
Family
Orchidaceae (Orchid family)
Grows as
Orchid
Light
Part shade, Shade
Water
Keep the compost evenly moist during active growth and reduce watering in winter when the plant is dormant.
Soil
Free-draining, humus-rich terrestrial orchid mix or leaf mould with grit.
Temperature
5–20 °C; tolerates frost in the wild but protect pots below -5 °C.
How easy
Moderate
Native range
Himalaya, C. China to Russian Far East and Temp. E. Asia
Climate
temperate
About
Oreorchis patens, the common oreorchis or 山兰 (shan lan), is a species of orchid native to eastern Asia. It is known from Japan, Korea, the Russian Far East, and China. The common oreorchis is a terrestrial orchid with a sympodial habit of growth; it flowers on an inflorescence bearing yellow blooms.
Where it grows
The common oreorchis is known from Japan, Korea, the Russian Far East (Kamchatka, Primorye, Sakhalin, Kuril Islands), and China (Gansu, Guizhou, Heilongjiang, Henan, Hunan, Jiangxi, Jilin, Liaoning, Sichuan, Taiwan, and Yunnan). It is found in forests, forest margins, thickets, grassy places, and shaded places along valleys at elevations of 1,000–3,000 metres (3,300–9,800 ft). The hoverflies Episyrphus balteatus and Sphaerophoria menthastri have been known to pollinate O. patens.
Text excerpted from the Wikipedia article Oreorchis patens by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.