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Lawrence Alexander Sidney Johnson separated out many of those species and renamed them into the new genera of Gymnostoma in 1980 and 1982, [3] [4] Allocasuarina in 1982, [4] and Ceuthostoma in 1988, with some additional formal descriptions of new species in each other genus. [5] At the time, it was somewhat controversial.
The genera Allocasuarina was created out of a grouping of plants formerly placed in Casuarina, because of subtle but consistent differences – Casuarina species have 6 to 20 scale-like teeth in each whorl of leaves, their samaras are grey or yellowish-brown, and the bracteoles of the fruiting cones are thin, woody and extend well beyond the ...
Female cones of C. equisetifolia. Casuarina, also known as she-oak, Australian pine [3] [4] [5] and native pine, [6] is a genus of flowering plants in the family Casuarinaceae, and is native to Australia, the Indian subcontinent, Southeast Asia, islands of the western Pacific Ocean, and eastern Africa.
Eldredgeia venustus from the Sicasica Formation, La Paz Department, Bolivia (holotype). Also known from the Upper Member of the Belén Formation, La Paz Department, [1] and the Pimenteira Formation [2] Givetian; Eldredgeia cf. E. venustus from South Africa. Eifelian. Eldredgeia paituna (Hartt and Rathbun 1875) from the Erere Sandstone, Para ...
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Allocasuarina zephyrea is a species of flowering plant in the family Casuarinaceae and is endemic to Tasmania. It is a dioecious shrub that has branchlets up to 190 mm (7.5 in) long, the leaves reduced to scales in whorls of seven to nine or ten, the fruiting cones 10–25 mm (0.39–0.98 in) long containing winged seeds 4.0–5.5 mm (0.16–0. ...
Allocasuarina simulans is a dioecious, rarely a monoecious shrub that typically grows to a height of 1–3 m (3 ft 3 in – 9 ft 10 in) and mainly has smooth bark. Its branchlets are up to 190 mm (7.5 in) long, the leaves reduced to erect, often overlapping, scale-like teeth 0.5–1.1 mm (0.02–0.04 in) long, arranged in whorls of six around the branchlets.
Allocasuarina striata, commonly known as the small bull oak, [1] stalked oak-bush [2] or the tall oak-bush, is a shrub of the genus Allocasuarina native to South Australia. [ 3 ] Description