Quercus lamellosa (Buk Oak, Bao Pian Qing Gang)
Botanical Information
| Family | Fagaceae |
| Genus | Quercus |
| Species | lamellosa |
| Synonyms | Cyclobalanopsis lamellosa, Cyclobalanopsis fengii, Cyclobalanopsis nigrinervis |
| Category | Woody |
| Type | Tree (evergreen) |
| Origin | Central Himalaya to southern China. |
Details
| USDA Hardiness Zone | 7-10 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 8 |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H6 - H2 |
| RHS Hardiness Ref. | |
| Temperature (°C) | (- 20) - 5 |
| Temperature (°F) | (-4) - 41 |
| Height | 30 m tall, or more; trunk to 1.5-2.5 m in diameter |
| Flowering Period | April, May |
Description and Growing Information
| General Description | This species has been placed on the IUCN Red List as least concern. |
| Propagation | By seed. |
| Cultivation | Grow in semi-shade or no shade in moist soil. The plant can tolerate strong winds. |
| Notable Specimens | Caerhays Castle, Goran, Cornwall, United Kingdom. |
| Habitat | Forms dense evergreen forests with Lithocarpus and Castanopsis species at altitudes up to 2700 metres |
| Bark/Stem Description | Rough, greyish-brown in colour. |
| Leaf Description | Oval-elliptic, glossy and glabrous with a cuneate base and 18-30 secondary veins on either side of the midvein, 15-35 x 5-10 cm. |
| Flower Description | Male flowers on catkins shorter than leaves; pistillate flowers on very short inflorescences bearing 3-4 cups. |
| Fruit Description | A big, flattened acorn, 2-3 cm long, 3-4 cm in diameter, smooth, enclosed 2/3 to 4/5 by cup, cup sessile, 2-3 cm long, 3-5 cm in diameter, 7-10 concentric rings with flaking edges at maturity, basal scar 2-3 cm wide, flat or slightly convex, stylopodium persistent, 5 mm thick, and maturing in 1 year. |
Photographs
Quercus lamellosa, form, Caerhays Castle, Goran, Cornwall, United Kingdom.
Quercus lamellosa, leaf, Caerhays Castle, Goran, Cornwall, United Kingdom.
Quercus lamellosa, leaf, Caerhays Castle, Goran, Cornwall, United Kingdom.
Quercus lamellosa, bark, Caerhays Castle, Goran, Cornwall, United Kingdom.