Araujia Brotero (1817: 62)
publication ID |
https://doi.org/ 10.11646/phytotaxa.26.1.2 |
DOI |
https://doi.org/10.5281/zenodo.4919181 |
persistent identifier |
https://treatment.plazi.org/id/03B30773-FFA5-FFA1-A6CF-8DCD193BFD35 |
treatment provided by |
Felipe |
scientific name |
Araujia Brotero (1817: 62) |
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Araujia Brotero (1817: 62) View in CoL .
Type: A. sericifera Brotero (1817: 62 View in CoL ; t. 4–5).
Physianthus Mart. in Martius & Zuccarini (1824: 53). Type: P. albens Mart. in Martius & Zuccarini (1824: 54; t. 32).
Morrenia Lindley (1838: 71) . Type: M. odorata ( Hooker & Arnott 1834: 294) Lindley (1838: 71) View in CoL . Synon. nov.
Lagenia Fournier (1885: 293) . Lectotype (here designated): L. megapotamica ( Sprengel 1827: 111) Fournier (1885: 293) View in CoL .
Stuckertia Kuntze in Post & Kuntze (1902: 541) Ξ Choristigma Kurtz ex Heger (1897: 443) , hom. post. [non ( Baillon 1862: 117) Baillon (1892: 454). Olacaceae View in CoL ]. Type: C. stuckertianum Kurtz ex Heger (1897: 443) View in CoL . Synon. nov.
Hickenia Lillo (1919: 422) . Type: H. s calae ( Hicken 1918: 306) Lillo (1919: 423). Synon. nov.
Note:—Historically, Araujia View in CoL and Morrenia have been considered closely related genera but treated as distinct based on subtle differences such as the thickness and consistency of style-head and the corolla shape (e.g., Goyder 2003, 2004). A hyaline appendage on the corpusculum was also used to recognise Araujia View in CoL , however, similar appendages are found in other genera of Oxypetalinae —for instance, Oxypetalum appendiculatum Martius View in CoL in Martius & Zuccarini (1824: 48; t. 30)—and, on the other hand, this character state is not present in A. plumosa Schlechter (1895: 449) View in CoL . Curiously, the latter species shares other attributes with species of Morrenia , such as the fimbriate anther appendage and contorted anther wings ( Goyder 2003) and, phylogenetically, it is more closely related to M. odorata View in CoL than to A. sericifera View in CoL , a relationship highly supported based on plastid data ( Liede-Schumann et al. 2005). Araujia View in CoL and Morrenia are small genera (with four and eight accepted species, respectively), they are difficult to distinguish as currently defined, and the recognition of Morrenia makes Araujia View in CoL paraphyletic. The synonymisation of Morrenia under Araujia View in CoL will certainly provide a more stable classification, based on a monophyletic, easily recognisable group of reasonable size and geographic integrity.
Physianthus and Lagenia have been treated in the synonymy of Araujia View in CoL since Decaisne (1844) and Schumann (1895), respectively. The monotypic Hickenia was transferred to Morrenia by Goyder (2001), and Stuckertia treated as a synonym of Morrenia by Goyder (2003). They are treated here within the expanded concept of Araujia View in CoL . Based on this circumscription, Araujia View in CoL comprises twelve South American species occurring in northern Argentina, southern Bolivia, Paraguay, southern and south-western Brazil, and Uruguay, with a centre of diversity in the Chaco.
Below, we provide the combinations for seven of the eight species (and one subspecies) of Morrenia ( Goyder 2003) in Araujia View in CoL ; Morrenia stormiana ( Morong 1893: 161) Malme in Chodat & Hassler (1903: 65) was described originally under Araujia View in CoL . We also designate lectotypes for three species and indicate a new synonym.
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Araujia Brotero (1817: 62)
Rapini, Alessandro, Pereira, Jorge Fontella & Goyder, David J. 2011 |
Hickenia
Lillo, M. 1919: ) |
Lillo, M. 1919: 423 |
Hicken, C. M. 1918: 306 |
Stuckertia
Post, T. E. & Kuntze, O. 1902: 541 |
Heger, H. 1897: ) |
Heger, H. 1897: ) |
Baillon, H. E. 1892: 454 |
Baillon, H. E. 1862: 117 |
Lagenia
Fournier, E. 1885: ) |
Sprengel, K. P. 1827: 111 |
Morrenia
Lindley, J. 1838: ) |
Hooker, W. J. & Arnott, G. A. W. 1838: 294 |
Physianthus
Martius, C. F. P. & Zuccarini, J. G. 1824: 53 |
Martius, C. F. P. & Zuccarini, J. G. 1824: 54 |
Araujia
Brotero, F. 1817: ) |
Brotero, F. 1817: 62 |