 |
| The Cycad Pages
| | Lepidozamia peroffskyana
| |
- Lepidozamia peroffskyana Regel, Bull. Soc. Imp. Naturalistes Moscou 1: 184 (1857).
- TYPE: From a living plant in the Botanic Garden, St. Petersburg (holo LE).
Macrozamia denisonii C. Moore & F. Muell., in F. Muell., Fragm. 1: 41 (1858).
- Encephalartos denisonii (C. Moore & F. Muell.) F. Muell., Quart. J. Pharm. Soc. Victoria 2: 90 (1859).
- TYPE: Australia, New South Wales, Manning River, Stephenson (lecto MEL, isolecto NSW, fide L.A.S. Johnson, Proc. Linn. Soc. New South Wales 84: 98, 1959).
- [Zamia macleayi hort. ex J. Schust., in Engl., Pflanzenr. 4(1): 100 (1932), nom. nud.]
Etymology:
Honouring Grafen von Peroffsky, Minister for ?
Historical notes:
Distinguishing features:
Readily distinguished from the other species in the genus by the narrower leaflets with fewer veins.
Distribution and habitat:
South-eastern Queensland and north-eastern New South Wales, from
the ranges north-west of Brisbane to the Manning River district.
Scattered in small colonies in wet sclerophyll forests or on rainforest
margins, usually in steep country. Locally cultivated as an ornamental.
Conservation status:
Not considered to be at risk (IUCN Red List category LR,lc). Gazetted as a Rare or Threatened Plant under Queensland Nature Conservation legislation.
Description:
Stem
erect, to 4 (rarely 7) m tall, to 80 cm in diameter, usually clad with
persistent leaf bases.
Cataphylls
soft, grey-white.
Leaves
numerous, to 150 in the crown, 150-300 cm long, petiole 30-60 cm long, smooth.
Leaflets
150-250, spreading and somewhat lax, softly coriaceous, dark green and
highly glossy, 20-40 cm long, 5-13 mm wide, with 7-13 parallel
veins; stomata on both sides, mainly on the abaxial surface.
Pollen cones
cylindrical, 45-75 cm long, 12-19 cm in diameter, the sporophylls
cuneate, to 50 mm long, 30 mm wide.
Seed cones
cylindrical, 40-90 cm long, 12-25 cm in diameter,
on a peduncle 15-20 cm long, 30-35 mm in diameter, the sporophylls
5-7 cm long, apically 4-8 cm wide and 2-3 cm high.
Seeds
4-6 cm long, 25-30 mm diam.; sarcotesta red.