Corynocarpus cribbianus
Corynocarpus cribbianus, commonly known as cribwood, is a species of tree in the family Corynocarpaceae. It is endemic to New Guinea and north-eastern Queensland in Australia. It reaches a height of up to. Its flowers are whitish in colour, the tips of the petals are slightly rose in colour; after flowering, the flowers turn into a distinct rose colour. Its panicles are somewhat pyramidal in character. It occurs from near sea level to above sea level at maximum elevation. It is found in various rainforest types, including lowland and montane forests. The specific epithet, cribbianus, is named in honour of J. G. Cribb, an Australian pomologist.
Corynocarpus cribbianus was first described by the Australian botanist Frederick Manson Bailey in 1897 and placed by him in the Cyanocarpus genus. In 1933, the species was placed in the Corynocarpus genus. C. cribbianus is most closely related to C. rupestris. Several animals and various bird species have been reported to consume the fruits of C. cribbianus. The larvae of Allora major are known to feed on the tree, and the females lay eggs on it.
Description
Corynocarpus cribbianus is a species of tree in the family Corynocarpaceae. It reaches a height of up to. Its bark is greyish-brown in colour with prominent lenticels, the inner bark and heartwood are light-brown in colour. Its bracts are thick, triangular in shape and acute in character, are, the inner bracts are narrower. Its leaves are elliptic to oblong in character, distinctly acute, tapering to a tip, with its base which is wedge-shaped narrowed into the petioles, which are, long. Its inflorescences are long. Its panicles are somewhat pyramidal in character, long and wide.Its flowers are whitish in colour and the tips of the petals are slightly rose in colour; after flowering, the flowers turn into a distinctly rose colour. Its sepals are broadly elliptic with a rounded tip, and long. Its petals are obovate, oblong, to elliptic in character, and long. Its anthers are brownish to dark-brown in colour, acute to ovate in character, and 2 mm long. Its staminodes are obovate to oblong in character, 2–3 mm long. Its ovaries are green in colour and 1 mm high. Its stigmas are greenish-brown in colour. Its receptacles form a flattened disc located between the ovaries and the points where the sepals attach. Its fruits are edible, elliptic to globe-shaped; the pericarps are hard and long, greyish-green to red in colour; the exocarps are 2 mm in diameter, and the endocarps are smooth.
Taxonomy
Corynocarpus cribbianus was first described by the Australian botanist Frederick Manson Bailey in 1897 in the Queensland Agricultural Journal. It was placed by him in the Cyanocarpus genus, and described as Cyanocarpus cribbiana. Bailey later placed it in the Helicia genus in his comprehensive 1899 revision of Queensland's plant species. In 1933, Australian botanist Cyril Tenison White placed the species in the genus Corynocarpus and described it as Corynocarpus australasicus. In 1957, Australian botanist Lindsay Stuart Smith described it as Corynocarpus cribbianus in the sixty-seventh volume of the Proceedings of the Royal Society of Queensland.Corynocarpus species are found across the Pacific Islands and Australia, including: C. dissimilis in New Caledonia, C. laevigatus in New Zealand, C. rupestris in the Australian states of New South Wales and Queensland, and C. similis in the Solomon Islands and Vanuatu. In a 2000 study, rbcL sequencing reaveled that the species is most closely related to C. rupestris.
Etymology
The etymology of the genus name Corynocarpus derives from the Greek koryne, meaning 'club', and carpus, meaning 'fruit', translating to English as 'club fruit'. The specific epithet, cribbianus, is named in honour of J. G. Cribb, an Australian pomologist, whom Bailey intended to introduce the fruits of new species to. The specific epiphet is a Latinisation of his surname. The species is commonly known as cribwood.Distribution
Corynocarpus cribbianus is endemic to New Guinea and north-eastern Queensland in Australia. In Queensland, its range covers the Atherton Tableland, the Division of Kennedy, and the Shire of Cook. In Queensland, it occurs from Iron Range south to Tully River. The species also occurs in the Aru Islands. It occurs from near sea level to above sea level in maximum elevation. It is found in various rainforest types, including lowland and montane forests. C. cribbianuss conservation status was assessed by the IUCN Red List in 2021 as "Least Concern", and its population trend was evaluated as "Stable".Ecology
The larvae of Allora major feed on the tree and the females lay eggs on it. The southern cassowary, coppery brushtail possum, fruit bat, and various bird species have been reported to consume the fruits of C. cribbianus.Works cited
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