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The Cycad Pages
Encephalartos marunguensis

Encephalartos marunguensis Devred, Bull. Soc. Roy. Bot. Belgique 91: 104-110 (1958). H—BM
"TYPE: Belgian Congo, Haut-Katanga: plateaux de Marungu, aux abords immediat de Kapona, Devred 3924 (holo BR)."


Etymology: From the Marungu Mountains, south-eastern Zaire, with the Latin termination -ensis, place of origin.

Literature:

Illustrations:

Vernacular:

Historical notes: Described in 1959 by Belgian botanist -- Devred.

Distinguishing features: One of a group of dwarf central African species (the E. poggei complex) that also includes E. delucanus, E. schmitzii and E. schaijesii. Distinguished by the short bluish green leaves with a short clear petiole and the dark green to bluish green cones.

Distribution and habitat: DR of Congo, open savanna on the Marungu Mountains in the south-east of the country.

Conservation: 1997 IUCN Red List of Threatened Plants category E.

Description:

Plants acaulescent; stem 0.4 m tall, 15 cm diam.

Leaves 50-85 cm long, blue green, semiglossy, strongly keeled; rachis green, straight with last third sharply recurved, not spirally twisted; petiole straight, with 1-6 prickles; leaf-base collar not present; basal leaflets reducing to spines.

Leaflets linear, weakly discolorous, not overlapping, not lobed, insertion angle obtuse (45-80°); upper margin entire (no teeth); lower margin entire (no teeth); median leaflets 10-12 cm long, 12-13 mm wide.

Pollen cones 1-3, narrowly ovoid, bluish-green or green, 18-25 cm long, 5-7.5 cm diam.

Seed cones 1-3, ovoid, blue-green or green, 20-30 cm long, 10-15 cm diam.

Seeds oblong, 20-30 mm long, 20-25 mm wide, sarcotesta red or yellow.


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