Australian Tropical Rainforest Plants - Online edition

Archontophoenix cunninghamiana (H.Wendl.) H.Wendl. & Drude


Palm, pandan or cycad
Tree
Click/tap on images to enlarge
Female flowers [not vouchered]. © J.L. Dowe
Male flowers. © J.L. Dowe
Fruit, whole, in longitudinal section and with mesocarp exposed [not vouchered]. © J.L. Dowe
Inflorescences [not vouchered]. © J.L. Dowe
In moderate-altitude rainforest [not vouchered]. © J.L. Dowe
Family

Wendland, H.A. & Drude, C.G.O. (1875) Linnaea 39: 214. Type: .

Common name

Picabbean palm; Bangalow palm

Stem

Palm to 30 m tall with a trunk 30 cm DBH, slightly enlarged at the base, becoming fissured with age. Leaf scars prominent.

Leaves

Leaves 9-12, up to 4.5 m long, with a moderate lateral twist, with 70-90 pinnae per side. Crownshaft to 70-140 cm long, tapered, dark-green, brown-green or purple-green. Petiole up to 50 cm long, with rust red-brown scales. Pinnae up to 100 x 3-10 cm, rigid becoming lax and semi-pendulous with age, dark glossy green on upper surface and lighter green on under surface. Midrib and veins not as prominent on both surfaces.

Flowers

Inflorescence 150 x 60 cm, axes yellow green, white or cream changing to light green or mauve in fruit. Prophyll 50-60 x 12 cm, dark green with black scales. Peduncular bract to 58 cm, thin, papery, mildly fibrous. Peduncle up to 15 x 5-7 cm, yellow-green. Rachis to 60 x 3.5 cm and 2 cm thick. Staminate (male) flowers paired at the front part. Flowers lilac to purple. Staminate flowers 3-6 x 1.5-3 mm in bud opening to 7-11 mm. Sepals to 1-1.5 mm long. Petals 4-4.5 x 2-3 mm. Stamens 9-18 with purple filaments. Pistillate (female) flower up to 4-5 x 3-4 mm in bud. Flowers light green to purple. Stigma to 1 mm long.

Fruit

Fruit ovoid/globose and 10-15 long and bright red at maturity, smooth and waxy. Stigmatic remains at the apex. Persistent calyx up to 3 mm long. Mesocarp fibres up to 1 mm wide, flat and branched and moderately loose in the dried state. Seed globose and up to 9 mm diameter.

Seedlings

Features not available.

Distribution and Ecology

Occurs in the far south of NEQ and CEQ and south to south-eastern New South Wales. Altitudinal range from near sea level to 1200 m. Grows in rainforest, vine forest, swampy areas and wet sclerophyll forest.

Synonyms
Loroma cunninghamiana (H.Wendl.) O.F.Cook, Journal of the Washington Academy of Sciences 5: 118(1915), Type: . Ptychosperma cunninghamiana H.Wendl., Botanische Zeitung 16: 346(1858), Type: In tropischen Neuholland an der Nord-und Ostküste, Allan Cunningham [NE Coast of New Holland, Allan Cunningham].
RFK Code
7034
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