Pinus × densithunbergii / hybrid pine

Pinus × densithunbergii, as described by Homiki Uyeki in 1926, in Scientific Reports of the Matsuyama Agricutural College vol.10:6, is the name given to hybrids of Pinus densiflora and Pinus thunbergii. Common names include アイグロマツ (Aiguro-matsu) and アカクロマツ (Akakuro-matsu) in the Japanese language. Some publications will use the synonym, Pinus × densi-thunbergii.

Description. This pine presents characteristics intermediate of its parents, the white candles and coarse needles of P. thunbergii and the bright-green color typical of P. densiflora.

Distribution. This hybrid occurs naturally in Japan — Honshu, Shikoku, and Kyushu islands; as well as South Korea. It has also been deliberately created by nurserymen world-wide.

Hardy to USDA Zone 7 — cold hardiness limit between 0° and 10°F (-17.7° and -12.2°C).

Pinus ×densithunbergii. This is the cultivar known as 'Beni-kujaku,' a very popular variegated pine.
Photo by SZKÓŁKI KUROWSCY

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