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Scale bar 10mm. Copyright CSIRO

Orites sp. Devils Thumb (P.I.Forster PIF10720)

Family

Proteaceae

Botanical Name

Orites sp. Devils Thumb (P.I.Forster PIF10720)

() : . Type: ?.

Synonyms

Orites sp. Pinnacle Rock Track (WWC 867), : (), Type: ?.

Stem

Grows into a large tree.

Leaves

Leaf blades about 8.5-15 x 2.5-5.5 cm, rather thick and leathery, margin usually recurved. Petioles about 1-1.5 cm long, swollen at their junction with the twig. Lateral veins about 6-9 on each side of the midrib and forming loops well inside the leaf blade margin. Lower surface of the leaf blade much pale than the upper surface.

Flowers

Flowers produced on branches well back from the leaves. Racemes about 6-10 cm long. Flowers paired, individual flowers on a pedicel about 2 mm long, common peduncle about 1-3 mm long. Tepals about 25-32 mm long at anthesis, coiled like a spring. Anthers about 4-5 mm long, apex mucronate, on a filament about 2 mm long. Hypogynous glands four. Ovary sessile, glabrous. Style about 22 mm long, stigma about 4 mm long.

Fruit

Fruits globose to hemispherical, about 48 x 44 mm. Pericarp thick and hard, outer surface irregularly honeycombed. Seeds one or two, each about 26 x 12 mm. Testa smooth. Radicle about 2 mm long.

Seedlings

First pair of leaves alternate or subopposite, margins coarsely serrate. Lateral veins forming loops well inside the blade margin. Stem mottled green and maroon.

Distribution and Ecology

Endemic to NEQ, known only from collections made in the mountains west of Mossman and from the East Mulgrave River. Altitudinal range from 500-1000 m. Grows as an understory plant in upland and mountain rain forest.

NEQ

X

Tree

X

RFK Code

1101