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- W2303042946 abstract "This new species is described from Western Australia and South Australia from mallee vegetation on shallow soil overlying limestone. The occurrences in the two states are over 650 km apart and separated by the Nullarbor Plain. In comparison with other Spyridium species with the same fruit type, S. tricolor can be distinguished from its South Australian and eastern states congeners by the very large size of the stipule-like bracts which encircle the unit inflorescences, and amongst the Western Australian species by its almost circular laives with flat to incurved rather than maimed margins. On the basis of the collections in the State Herbarium of South Australia and the Western Australian Herbarium, the following species was first collected in South Australia in 1926 from Koonibba, near Ceduna on the eastern edge of the Great Australian Bight, and in Western Australia in 1966 from near Mt Ragged in Cape Arid National Park. It was recognised as distinct independently by the two authors. Spyridium tricolor W.R. Barker & Rye, species nova Spyridium spadiceum var. calvescens auct. non (Reiss.)Benth.: R.F. Parsons, Trans. Roy. Soc. S. Austral. 94 (1970) 239. Spyridium sparliceum auct. non (Fenzl)Benth.: RC. Nelson, J. Roy. Soc. W. Austral. 57 (1974) 110, partly (as to AD duplicates of Parson.s 144, 159, 190). Spyridium sp.: W.R. Barker in J.P. Jessop, List Vase.. PI. S. Austral., edn 2 (1984) 38; W.R. Barker in J.P. Jessop, List Vase. Pl. S. Austral., edn 3 (1989) 63 Species nova inter species orientales bracteis maximis brunneis circa fasciculos florum unica, inter spwies occidentales fructus eosdem ferentes foliis marginibus denique planis usque incurvatis differt. Holotypus: P.G. Wilson 5940, 20.vii.1967, P[oin]t Dover, Great Australian Bight, Western Australia, PERTH. Isotypi: AD, CANB. Erect dense rounded shrub 0.3-1.5 m high, with a persistent dense indumentum on the sterns, rachises and leaves and leaf-like bracts on petioles and underside of the blade, consisting of antrorse to spreading wavy hairs c. 0.3 mm long, initially ferruginous, giving young branch tips a characteristic rusty appearance, tuming grey. Stipules ovate, 3-5.5 mm long, caudate, keeled, dark brown soon turning dark grey, very shortly pubescent, mainly along midline towards base, persistent after leaves have shed, but with a fragile tip. Leaves with petiole 3-5 mm long; blade thick, at first conduplicate, at maturity almost flat but with the upper midrib impre,ssed, broadly elliptic to circular, 8-13 x 7.5-12 mm, the base and apex rounded, sometimes slightly emarginate, the margins usually flat, sometimes incurved, the upper surface pale to mid green," @default.
- W2303042946 created "2016-06-24" @default.
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- W2303042946 date "1993-01-01" @default.
- W2303042946 modified "2023-09-26" @default.
- W2303042946 title "SPYRIDIUM TRICOLOR (RHAMNACEAE), A DISJUNCT NEW SPECIES FROM THE GREAT AUSTRALIAN BIGHT" @default.
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