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Ponderosa Pine (Western Yellow Pine) Pinus ponderosa (Pinaceae) HEIGHT to 40m (50m). Large, slender, conical pine with a sturdy, straight bole. BARK Scaly pinkish-brown. LEAVES Needles, to 30cm long, narrow (3mm) and stiffly curved with finely toothed edges and a sharp, pointed tip; clustered densely on shoots and persist for 3 years. REPRODUCTIVE PARTS Cones are ovoid, up to 15cm long and 5cm across, on short stalks or directly on twigs, sometimes leaving a few scales behind when they fall; solitary or in small clusters. Cone scales are oblong with swollen, exposed, ridged tips hiding 5cm-long, oval, winged seeds. STATUS AND DISTRIBUTION Native to W USA, planted here mostly for ornament.