Pinus contorta Douglas ex Loudon
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Details
Pinus contorta Douglas ex Loudon (1838)
Pinus contorta Douglas ex Loudon
Biostatus
Nomenclature
Douglas ex Loudon
Loudon
1838
ICN
Pinus contorta Douglas ex Loudon
species
Pinus contorta
Subordinates
Vernacular names
Descriptions
Pinus contorta Douglas ex Loudon
Large shrub, or small to medium-sized tree (sometimes large in cultivation); habit erect or spreading. Branches straight or somewhat twisted. Bark reddish brown, grey on surface, fissured and forming small plates. Shoots brown, glabrous. Buds cylindric or cylindric-ovoid, purplish brown, strongly resinous; scales tightly appressed. Lvs 2 per fascicle, (2.5)-3.5-6.5 cm × 0.8-1.5 mm, not or somewhat twisted, usually pointed forward, generally yellowish green; resin canals median; sheath very short after first year. ♂ strobili 5-15 mm long, cylindric or broadly cylindric. Conelets sessile; scales aristate. Mature cones long-persistent, often not opening until long after maturity, subsessile, usually directed downwards or backwards, 3-6 × 2-3.5 cm, ± broad-ovoid; base asymmetric or somewhat asymmetric; apophyses shining yellowish brown or brown before maturity, ± convex; umbo with short, slender, occasionally deciduous prickle. Seed wing asymmetric but almost oblong, c. 1 cm long.
Taxonomic concepts
Pinus contorta Douglas ex Loudon
Pinus contorta Loudon
Pinus contorta Douglas ex Loudon
Pinus contorta Douglas ex Loudon
Pinus contorta Loudon
Pinus contorta Douglas ex Loudon
Pinus contorta Douglas ex Loudon
Pinus contorta Loudon
Pinus contorta Douglas ex Loudon
Pinus contorta Douglas ex Loudon
Pinus contorta Loudon
Pinus contorta Douglas ex Loudon
Pinus contorta Douglas ex Loudon
Pinus contorta Loudon
Pinus contorta Douglas ex Loudon
Pinus contorta Douglas ex Loudon
Pinus contorta Loudon
Pinus contorta Douglas ex Loudon
Pinus contorta Loudon
Pinus contorta Douglas ex Loudon
Pinus contorta Douglas ex Loudon
Pinus contorta Loudon
Pinus contorta Douglas ex Loudon
Collections
Metadata
c1251509-926f-4118-b61a-0b39b8d4b0aa
scientific name
Names_Plants
1 January 2000
30 December 2023