Corynocarpus rupestris, commonly known as the Glenugie karaka, is a species of tree in the family Corynocarpaceae. It is endemic to the eastern coast of Australia, in the states of New South Wales and Queensland. It reaches in height. C. rupestris was first described the Australian botanist Gordon P. Guymer in 1984 in the Flora of Australia. He designated two subspecies, subsp. rupestris and subsp. arborescens. It gets its specific epithet, rupestris, from Latin translating to 'rock-dwelling', which is in reference to its habitat.
Corynocarpus rupestris is a species of shrub or tree in the family Corynocarpaceae. It reaches in height. It leaves are elliptic to ovate in character, spiny, and slightly curved. Its laminae (leaf blades) are usually long and wide. Its cataphylls are semicircular to ovate in character, and 2âÂÂ3 mm long. Its inflorescences (flower clusters) are long, its pedicels are 3âÂÂ5 mm long. Its sepals are 2âÂÂ4 mm long and 1.3âÂÂ2 mm wide. Its petals are 2.4âÂÂ3.5 mm long and 1âÂÂ1.5 mm wide. Its staminodes are 2âÂÂ2.5 mm long and approximately 1 mm wide.
Corynocarpus rupestris was first described by the Australian botanist Gordon P. Guymer in 1984 in the Flora of Australia. It differs from other Corynocarpus species because of its spiny leaves and spoon-shaped petals. Guymer designated two subspecies, subsp. rupestris and subsp. arborescens. C. rupestris is most closely related to C. cribbianus.
Corynocarpus species are found across the Pacific Islands and Australia, including: C. dissilmilis in New Caledonia, C. cribbianus in North Queensland and New Guinea, C. laevigatus in New Zealand, and C. similis in the Solomon Islands and Vanuatu.
The etymology (word origin) of the genus name Corynocarpus derives from the Greek , meaning 'club', and , meaning 'fruit', translating to English as 'club fruit'. The specific epithet (second part of the scientific name), rupestris, is Latin for 'rock-dwelling', and is in reference to the species' habitat. It is commonly known as the Glenugie karaka.
Corynocarpus rupestris is endemic to the Australian states of New South Wales and Queensland. It is typically found on basaltic slopes. Its conservation status was assessed as "Vulnerable".
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