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The Cycad Pages
Encephalartos tegulaneus

Encephalartos tegulaneus Melville, Kew Bull.: 249 (1957). H—K
"TYPE: Kenya, Matthews Range, Lololokwe, 2300 m, 7 May 1954, J. Adamson s.n. (holo K iso B)."


Etymology: Latin tegula, tile, referring to the overlapping microsporophylls, resembling roof tiles.

Literature:

Illustrations:

Vernacular:

Historical notes: Described in 1957 by English botanist -- Melville.

Distinguishing features: Yellow cones, long-stalked pollen cones, cylindrical seed cones.

Distribution and habitat: Kenya

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

Description:

Plants arborescent; stem 10 m tall, 60 cm diam.

Leaves 120-180 cm long, light or bright green or blue green, semiglossy, flat (not keeled) in section (opposing leaflets inserted at 180° on rachis); rachis green, straight, stiff, not spirally twisted; petiole straight, with more than 12 prickles; leaf-base collar not present; basal leaflets reducing to spines.

Leaflets lanceolate, weakly discolorous, not lobed, insertion angle obtuse (45-80°); margins recurved; upper margin lightly toothed (1-3 teeth); lower margin lightly toothed (1-3 teeth); median leaflets 16-22 cm long, 16-28 mm wide.

Pollen cones 3-6, narrowly ovoid, green or yellow, 35-50 cm long, 10-14 cm diam.

Seed cones 3-6, ovoid, green or yellow, 40-70 cm long, 25-30 cm diam.

Seeds oblong, 30-37 mm long, 20-23 mm wide, sarcotesta red.


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Written and maintained by Ken Hill 1998-2010
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