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| Photo Ken Hill
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| The Cycad Pages
| | Encephalartos ferox
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- Encephalartos ferox Bertol. f., Mem. Reale Accad. Sci. Ist. Bologna 3: 264 (1851). ?
- TYPE: none cited. Locality given as interior of Mozambique.
Encephalartos kosiensis Hutch., Bull. Misc. Inform.: 512 (1932).
- TYPE: Zululand, behind sand-dune bush near Kosi Lake, East Ingwavuma District, Aitken & Gale 63I (syn. ?K); Kosi Bay, Col. Lugge in herb. Natal 16507 (syn. ?); cult. by Col Molyneaux at the 'Old Fort', Durban, Jul 1930 (?).
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| Photo Ken Hill
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Etymology:
Latin ferox, fierce, from the stiff and sharply spiny leaflets.
Literature:
Illustrations:
Vernacular:
Historical notes:
Described in 1851 by Portugese botanist
-- Bertolucci.
Distinguishing features:
The bright orange-red cones are unique to this species, and the broad
leaflets with lobes
on both margins are also unique and unmistakable.
Distribution and habitat:
Northern Natal Province, South Africa, and southern Mozambique, in habitats
ranging from closed evergreen forest to dense shrubland, on deep sands of
old beach dune systems.
Conservation:
1997 IUCN Red List of Threatened Plants
category R.
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| Photo Ken Hill
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Description:
Plants arborescent, or acaulescent; stem 1 m tall, 25-30 cm diam.
Leaves 100-200 cm long, dark green, highly glossy, slightly keeled to
flat in section (opposing leaflets inserted at 150-180° on
rachis); rachis green, gently curved, somewhat lax, not spirally twisted;
petiole straight, with 1-6 prickles; leaf-base collar not present; basal
leaflets reducing to spines.
Leaflets ovate, strongly discolorous, overlapping downwards or not
overlapping, with 2-3 lobes on most leaflets, insertion angle horizontal or
obtuse (45-80°); margins flat, or incurved; upper margin lightly toothed
(1-3 teeth); lower margin lightly toothed (1-3 teeth); median leaflets 15 cm
long, 35-50 mm wide.
Pollen cones 1-10, fusiform, red, 40-50 cm long, 8-10 cm diam.
Seed cones 1-5, ovoid, red, 25-50 cm long, 20-40 cm diam.
Seeds oblong, 45-50 mm long, 15-20 mm wide, sarcotesta red.