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| Photo Ken Hill
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| The Cycad Pages
| | Encephalartos longifolius
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- Encephalartos longifolius (Jacq.) Lehm., Pugill. 6: 14 (1834). ?
Encephalartos longifolius var. angustifolius Miq., Monogr. Cycad 56 (1842).
- TYPE: "in Ins. Pavon. cult." Zamia pungens cited.
Encephalartos longifolius var. latifolius Regel, Trudy Imp. S.-Petersburgsk. Bot. Sada 3: 113 (1873).
- TYPE: E. almasianus h. Paullowsk. Cited.
Encephalartos longifolius var. revolutus Miq., Monogr. Cycad 55 (1842).
- TYPE: "in Ins. Pavon. cult." Enc revolutus cited .
Encephalartos mauritianus Miq., Monogr. Cycad 48 (1842). ?
- TYPE: "Ins Maurit." "herb. Lehm." Cited.
Zamia lanuginosa Jacq., Fragm. Bot. 1: ?28, tt. 30, 31 (1801). tt. 30-31
- Encephalartos lanuginosus (Jacq.) Lehm., Pugill. 6: 14 (1834). BAS
- TYPE: the plates tt. 30, 31.
Zamia longifolia Jacq., Fragm. Bot. 1: 28, t. 29 (1801). tt. 30-31
- TYPE: the illustration: t. 29.
- [Encephalartos almasianus hort. ex J. Schust., Pflanzenr. 4(1): 112 (1932), nom. nud.]
- [Encephalartos pungens (Aiton) Lehm., Pugill. 6: 13 (1834), nom. nud.]
- [Encephalartos revolutus hort. ex J. Schust., Pflanzenr. 4(1): 112 (1932), nom. nud.]
- [Zamia horrida Lodd. Cat. 166 ex Miq., Linnaea 17: 725 (1843), nom. nud.]
- [Zamia occidentalis Lodd. Cat 177 ex Miq., Linnaea 17: 711 (1843), nom. nud.]
- [Zamia pungens hort. Parisien. ex Miq., Linnaea 17: 725 (1843), nom. nud.]
- [Zamia pungens Lodd. Cat. 165 ex Miq., Linnaea 17: 725 (1843), nom. nud.]
Etymology:
Latin longis, long and folius, leaf
Literature:
Illustrations:
Vernacular:
Historical notes:
Described as a species of Zamia in 1775 by French botanist
--
Jaquin.
Distinguishing features:
The slightly dull and slightly greyish leaves with entire leaflets arranged
in a distinct V and overlapping towards the end of the leaf characterise
this species. These leaf characters and the very large green to greenish
brown cones distinguish this species from other green species from the
eastern Cape Province (E. altensteinii and allies).
Distribution and habitat:
Eastern Cape Province, South Africa, in dense scleromorphic shrubland on
steep rocky slopes.
Conservation:
1997 IUCN Red List of Threatened Plants
category V.
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| Photo Ken Hill
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Description:
Plants arborescent; stem 4 m tall, 30-45 cm diam.
Leaves 100-200 cm long, dark green or blue green, semiglossy,
moderately keeled (opposing leaflets inserted at 80-120° on rachis);
rachis yellowish, straight with last third sharply recurved, not spirally
twisted; petiole straight, with no prickles; leaf-base collar prominent; basal
leaflets not reducing to spines.
Leaflets lanceolate, strongly discolorous, overlapping upwards, not
lobed or with 1-2 lobes on upper and median leaflets, insertion angle obtuse
(45-80°); margins flat, or incurved; upper margin entire (no teeth);
lower margin entire (no teeth), or lightly toothed (1-3 teeth); median leaflets
20 cm long, 20-30 mm wide.
Pollen cones 1-3, ovoid, green, 40-60 cm long, 15-20 cm diam.
Seed cones 1-3, ovoid, green, 40-60 cm long, 30-40 cm diam.
Seeds oblong, 40-50 mm long, 20-30 mm wide, sarcotesta red.