Japanese pine
Pinus densiflora Siebold & Zucc.
Pinus densiflora, known as Japanese pine, is a conifer in the family Pinaceae. Native to regions including Japan, Korea, and parts of China and Siberia, it is an evergreen tree reaching up to 35m in height with a trunk diameter of 1.8m. The bark is red-brown, and the winter buds are also red-brown. Leaves occur in pairs, measuring 8-9(14)cm in length. Seed cones are oval, 45mm × 30mm, yellowish-brown, with 70-100 seed scales. Seeds are ellipsoid, 5-6mm × 3mm, dark brown with a wing. The species is diploid (2n=24). Pollination occurs in May, and seeds mature in September. It is distributed across Japan and all Korean provinces except the northernmost areas.
Description
Pinus densiflora is an evergreen tree with a spreading crown and reddish-brown bark. Leaves are in fascicles of two, with 3-9 resin canals and a persistent base sheath. The male cones are oval and 1cm long, while the female cones are egg-shaped and 6mm long, with a slightly protruding umbo. It is found in Japan, Korea, Manchuria, Primorye, and parts of China. The species is adapted to a wide range of habitats and is distinguished by its reddish-brown buds and cones. It is a long-lived tree with ecological and economic significance in its native range.
Other common names
japanese-red-pineJapanese Red PineJapanese pinetanyosho pineJapanese umbrella pineJapanese Red-Pine
Distribution
IN · BR · Global · TW · China North-Central · Japan · Korea · Manchuria · Primorye
Synonyms
Pinus japonicaPinus densiflora f. nigricorticalisPinus densiflora f. brevifoliaPinus densiflora f. liaotungensisPinus densiflora var. zhangwuensisPinus funebrisPinus scopiferaPinus sylvestris var. sylvestriformisPinus sylvestris subsp. densifloraPinus densiflora var. funebrisPinus densiflora f. sylvestriformisPinus densiflora var. sylvestriformisPinus densiflora var. liaotungensisPinus densiflora var. brevifoliaPinus densiflora var. aureovariegata-pendulaPinus densiflora var. oculus-draconis-pendulaPinus densiflora var. pendulaPinus densiflora subsp. funebrisPinus densiflora subsp. zhangwuensisPinus densiflora var. aureaPinus densiflora f. aureaPinus densiflora var. oculus-draconisPinus densiflora var. globosaPinus densiflora var. umbraculiferaPinus densiflora f. umbraculiferaPinus densiflora f. globosaPinus densiflora f. pendulaPinus densiflora f. oculus-draconisPinus densiflora var. funebrisPinus densiflora var. densiflora