Very long leaves; large thin leaflets; yellowish green cones with persistent reddish brown tomentum and wrinkled scale apices; numerous long stalked pollen cones
Plants arborescent; stem 15 m tall, 100 cm diam.
Leaves 400-700 cm long, dark green, highly glossy, flat (not keeled) in section (opposing leaflets inserted at 180° on rachis); rachis green, gently curved, somewhat lax, not spirally twisted; petiole straight; leaf-base collar not present; basal leaflets reducing to spines.
Leaflets lanceolate, strongly discolorous, not overlapping, not lobed, insertion angle horizontal; margins flat; upper margin heavily toothed (more than 3 teeth); lower margin heavily toothed (more than 3 teeth); median leaflets 35-50 cm long, 40-70 mm wide.
Pollen cones 2-6, ovoid, yellow, 17-35 cm long, 6-10 cm diam.
Seed cones 2-6, ovoid, yellow, 35-40 cm long, 18-20 cm diam.
Seeds ovoid, 40-50 mm long, 25-30 mm wide, sarcotesta red.
Distribution & Habitat
Angola and Zaire (DR of Congo), restricted to the Kwango River valley along the common border, in closed gallery forest along the river and on open slopes above.
Honoring 19th Century Belgian collector Emile Laurent, who introduced plants of this species into cultivation. Described in 1903 by Belgain botanist - De Willd
References & Acknowledgements:
- Image - http://www.junglemusic.net/
- Royal Botanic Gardens Sydney