Platysace
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Platysace is a genus of about 22 species of woody perennial herbs, shrubs and subshrubs in the family Apiaceae, and is endemic to Australia. The flowers are borne on the ends of branches in a compound umbel and are bisexual or male with white, cream-coloured or pinkish flowers.
Description
Plants in the genus Platysace are woody perennial herbs, shrubs or subshrubs and have simple or lobed leaves. The flowers are borne on the ends of branches in a compound umbel with small bracts and bracteoles but that sometimes fall off as the flowers open. The flowers are bisexual or male, sometimes without sepals, and have white, cream-coloured or pinkish, elliptical to egg-shaped petals. The fruit has 2 compressed mericarps.[2][3][4][5]
Taxonomy
The genus Platysace was first described in 1845 by Alexander von Bunge in Lehmann's Plantae Preissianae, and the first species he described (the type species) was Platysace cirrosa.[6][7]
A 2021 molecular phylogenetic study suggested that it is sister to rest of the family Apiaceae, and so does not belong to any of the four subfamilies into which the family is divided. It has been suggested that it could be placed in a subfamily of its own.[8]
Species
The following is a list of species accepted by the Australian Plant Census as at March 2024:[9]
- Platysace arnhemica Specht
- Platysace cirrosa Bunge – karna (W.A.)
- Platysace clelandii (Maiden & Betche) L.A.S.Johnson (N.S.W.)
- Platysace commutata (Turcz.) C.Norman (W.A.)
- Platysace compressa (Labill.) C.Norman (tapeworm plant) (W.A.)
- Platysace deflexa (Turcz.) C.Norman (W.A.)
- Platysace effusa (Turz.) C.Norman (W.A.)
- Platysace ericoides (Sieber ex Spreng.) C.Norman (Qld., N.S.W., Vic.)
- Platysace filiformis (Bunge) C.Norman (W.A.)
- Platysace haplosciadia (Benth.) C.Norman
- Platysace heterophylla (Benth.) C.Norman
- Platysace juncea (Bunge) C.Norman
- Platysace lanceolata (Labill.) Druce (shrubby platysace)
- Platysace linearifolia (Cav.) C.Norman
- Platysace maxwellii (F.Muell.) C.Norman (karno)
- Platysace pendula (Benth.) C.Norman
- Platysace ramosissima (Benth.) C.Norman
- Platysace saxatilis Keighery
- Platysace stephensonii (Turcz.) C.Norman
- Platysace trachymenioides F.Muell.
- Platysace valida (F.Muell.) F.Muell.
- Platysace xerophila (E.Pritz.) L.A.S.Johnson
References
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- ^ a b Page Module:Citation/CS1/styles.css has no content."Platysace". Australian Plant Census. Retrieved 3 March 2024.
- ^ Page Module:Citation/CS1/styles.css has no content."Genus Platysace ". PlantNET - New South Wales Flora Online. Royal Botanic Gardens & Domain Trust, Sydney Australia. Retrieved 2010-01-23.
- ^ Page Module:Citation/CS1/styles.css has no content."Platysace". Northern Territory Government. Retrieved 3 March 2024.
- ^ Page Module:Citation/CS1/styles.css has no content.Duretto, Mark F. "Platysace". Royal Botanic Gardens Victoria. Retrieved 3 March 2024.
- ^ Page Module:Citation/CS1/styles.css has no content."Platysace". State Herbarium of South Australia. Retrieved 3 March 2024.
- ^ Page Module:Citation/CS1/styles.css has no content."Platysace". APNI. Retrieved 3 March 2024.
- ^ Page Module:Citation/CS1/styles.css has no content.von Bunge, Alexander (1845). Lehmann, Johann G.C.; Preiss, Ludwig (eds.). Plantae preissianae sive enumeratio plantarum quas in australasia occidentali et meridionali-occidentali annis 1838-1841 collegit Ludovicus Preiss. Vol. 1. Hamburg: Sumptibus Meissneri. pp. 285–286. Retrieved 3 March 2024.
- ^ Page Module:Citation/CS1/styles.css has no content.Clarkson, James J.; Zuntini, Alexandre R.; Maurin, Olivier; Downie, Stephen R.; Plunkett, Gregory M.; Nicolas, Antoine N.; Smith, James F.; Feist, Mary Ann E.; Gutierrez, Karime; Malakasi, Panagiota; Bailey, Paul; Brewer, Grace E.; Epitawalage, Niroshini; Zmarzty, Sue; Forest, Félix & Baker, William J. (2021). "A higher-level nuclear phylogenomic study of the carrot family (Apiaceae)". American Journal of Botany. 108 (7): 1252–1269. doi:10.1002/ajb2.1701. PMID 34287829.
- ^ Page Module:Citation/CS1/styles.css has no content."Platysace". Australian Plant Census. Retrieved 3 March 2024.
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