Pinus densiflora Siebold & Zucc.
subg. Pinus sect. Pinus subsect. Pinus
- Common Name: Japanese Red Pine
- Family: Pinaceae Lindley
- Country of Origin: S. Russian Far East to Korea and C. & S. Japan
- Description: A straight to contorted (particularly in coastal settings) tree up to 36m tall, with an open, irregular or umbrella-shaped crown. Lower branches shed early even in open settings. Bark red-brown, in large plates (on old trees) or flaky and papery. Branches grey-green, rapidly becoming smooth with age, developing papery reddish bark. Leaves green, pliable, 2 per fascicle, sheaths retained, 8-12 cm long, 0.7-1.2 mm wide, acute, with minute marginal teeth, stomata in lines on all surfaces; retained in bunches at ends of twigs. Pollen cones small, ellipsoidal, pale yellow or yellow-brown, at end of shoots. Seed cones conic-ovoid, tan to golden brown, 4-7 cm long, in whorls of 2-5 at branch nodes, remaining closed and attached for several years, on a 1-3 mm long somewhat flexible peduncle. Cone scales: about 50 scales may contain fertile seed; cuneate, the exposed part flattened, rhomboidal with a central, short-mucronate umbo; the concealed part a dark red-brown. Seeds with attached wing 10-17 mm long.5
Accession Data:
- Accession # 201800129
- Source: John Korte (seed from treeseeds.com)
- Accession Date: 10-25-2019
- Bench: 2301 - Temperate Asia
- Currently: active - healthy
- Qty: 1 confirmed on 06-09-2024
- Restrictions:
Classification:
- Division: Pinophyta
- Class: Pinopsida
- SubClass: Pinidae
- Order: Pinales
- SubOrder:
- Family: Pinaceae
- SubFamily: Pinoideae
- Tribe:
- SubTribe:
References (internal):
References (external):
- The Plant List (2013). Version 1.1. Last accessed on Friday, 25 October, 2019.
- WCSP (2019). World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Last accessed on Friday, 25 October, 2019.
- ARS-GRIN Taxonomy. Last accessed on Friday, 25 October, 2019.
- IUCN Redlist. Last accessed on Friday, 25 October, 2019.
- The Gymnosperm Database. Last accessed on Friday, 25 October, 2019.
data regenerated on Sun, 09 Jun 2024 11:09:19 -0400 [bcm v4.0]