Lepidozamia hopei

Family

Zamiaceae

Botanical Name

Lepidozamia hopei (W.Hill) Regel

Regel, E.A. von (1876) Gartenflora 25: 5. Type: ?.

Synonyms

Macrozamia denisonii var. hopei (Regel) Schust., Das Pflanzenreich Heft 99: 101(1932), Type: ?. Catakidozamia hopei W.Hill, The Gardener's Chronicle and Agricultural Gazette for 1865: 1107(1865), Type: Based on a living plant grown by Haage & Schmidt. Fide K. D. Hill (1998) Flora Australia. Macrozamia hopei C.Moore, Journal and Proceedings of the Royal Society of New South Wales 17: 116(1883), Type: Mr. Hill, the late Director of Brisbane Botanic Gardens, discovered in Queensland.

Common name

Zamia Palm; Hope's Cycad; Palm, Zamia

Stem

Usually a single-stemmed, palm-like tree with no branches of any kind. Bark exudate very sticky, slow and meagre. Sections of bark included in the wood or alternate layers of bark and wood in the stem.

Leaves

Compound leaf with about 150 or more leaflets, each with 15-25 veins running parallel with the margins but lacking any obvious midrib. Leaflet blades about 20-40 x 1.5-3 cm, arising from the middle of the rhachis.

Flowers

Male flowers: Flowers (microsporophylls) in a cone about 25-30 x 20 cm. Female flowers: Flowers (sporophylls) also produced in a cone, probably of similar dimensions.

Fruit

Fruits produced in a large ovoid cone about 40-60(or more) x 20-25(-30) cm. Seeds covered with a bright red sarcotesta when ripe, seeds about 4-5.5(-6.2) x 2.5-3.5 cm.

Seedlings

First leaf stage: leaflet blades linear, about 8-14 in each compound leaf. Root swollen, carrot-like (Daucus carota). At the tenth leaf stage: leaflets linear, glabrous, sessile, subopposite, about 24-50 in the compound leaf, about 10-15 parallel veins run from base to apex. Stem remaining very short and swelling at or below ground level. Compound leaf rhachis ending in a mucronate structure. Compound leaf including the petiole and rhachis about 1 m long.

Distribution and Ecology

Endemic to NEQ, restricted to the area between Cape Tribulation and Cardwell. Altitudinal range from near sea level to 600 m. Grows as an understory tree in well developed lowland and upland rain forest.

Natural History

Fruit eaten by Cassowaries, seed aril is eaten by native rats. Cooper & Cooper (1994).

This palm-like plant with large glossy leaves would make an attractive addition to any garden. Will grow in full sunlight but does best in partial shade also grows well in a large container.

NEQ

X

Shrub (woody or herbaceous, 1-6 m tall)

X

Tree

X

RFK Code

339