The Cycad Pages
Encephalartos poggei

Encephalartos poggei Asch., Verh. Bot. Vereins Prov. Brandenburg 20: 35-36 (1878). ?
"TYPE: Belgian Congo, between the Luisa and Cassenigi Rivers, 1876, Pogge s.n. (holo ?)."

Etymology: Honoring Paul Pogge, 19th Century German collector in Central Africa and collector of the type.




Historical notes: Described in 1878 by -- botanist - Ascherson.

Distinguishing features: One of a group of dwarf central African species (the E. poggei complex) that also includes E. delucanus, E. schmitzii, E. marunguensis and E. schaijesii. Within this group, it is distinguished by the well-spaced, entire leaflets, yellow cones, stalked pollen cones, and sessile seed cones.

Distribution and habitat:

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


Plants arborescent; stem 2 m tall, 30 cm diam.

Leaves 70-150 cm long, blue green, semiglossy, flat (not keeled) in section (opposing leaflets inserted at 180° on rachis); rachis green, straight, stiff or straight with last third sharply recurved, not spirally twisted or slightly twisted in some leaves; petiole straight, with 1-6 prickles; leaf-base collar not present; basal leaflets reducing to spines.

Leaflets linear or lanceolate, strongly discolorous, not overlapping, not lobed, insertion angle acute (less than 45°); margins flat; upper margin entire (no teeth), or lightly toothed (1-3 teeth); lower margin entire (no teeth), or lightly toothed (1-3 teeth); median leaflets 8-15 cm long, 7-13 mm wide.

Pollen cones 2-3, narrowly ovoid, yellow, 10-30 cm long, 3-7.5 cm diam.

Seed cones 2-3, ovoid, yellow, 17-23 cm long, 9-12 cm diam.

Seeds oblong, 20-33 mm long, 17-23 mm wide, sarcotesta red.

The Cycad Pages

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Written and maintained by Ken Hill 1998-2010
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