The Cycad Pages
Encephalartos barteri

Encephalartos barteri Carruth. ex Miq., Arch. Néerl. Sci. Exact. Nat. 3: 243 (1868). I—K
"TYPE: Nigeria, Jeba, 1858, C. Barter 1692 (iso K - fide Melville)."

Etymology: Honoring C. Barter, collector of the type specimen.




Historical notes: Described in 1868 by English botanist - Carruthers.

Distinguishing features:

Distribution and habitat: A widespread species in seasonally dry tropical forests and woodlands on sandy soils over granites and sandstones in West Africa, in Nigeria, Benin, Ghana and Togo.

Conservation: Not listed in the 1997 IUCN Red List of Threatened Plants.


Plants arborescent, or acaulescent; stem 0.3-2.6 m tall, 25-30 cm diam.

Leaves 100-180 cm long, light or bright green, flat (not keeled) in section (opposing leaflets inserted at 180° on rachis); rachis green, straight, stiff, not spirally twisted; petiole straight, with 1-6 prickles; leaf-base collar not present; basal leaflets reducing to spines.

Leaflets linear to lanceolate, weakly discolorous, not overlapping, not lobed; upper margin heavily toothed (more than 3 teeth); lower margin heavily toothed (more than 3 teeth); median leaflets 9-15 cm long, 10-17 mm wide.

Pollen cones 1-3, fusiform, green, 8-23 cm long, 3-5 cm diam.

Seed cones 1-3, ovoid, green, 12-35 cm long, 8-15 cm diam.

Seeds flattened-ovoid to oblong, 20-30 mm long, 18-23 mm wide, sarcotesta red.

The Cycad Pages

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Written and maintained by Ken Hill 1998-2010
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