Notes on the systematics and nomenclature of <i>Tritonia</i> (Iridaceae: Crocoideae)

Study of some early types of species now known to belong to the genus  Tritonia Ker Gaw l.. a member of Iridaceae. sub­ family Crocoideae, comprising some 28 species of southern and south tropical Africa, has shown the need for some nomen- clatural adjustments. Ixia undulata Burm.f. (1768) is an ea...

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Main Authors: P. Goldblatt, J. C. Manning
Format: Article
Language:English
Published: South African National Biodiversity Institut 2006-08-01
Series:Bothalia: African Biodiversity & Conservation
Subjects:
Online Access:https://abcjournal.org/index.php/abc/article/view/332
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author P. Goldblatt
J. C. Manning
author_facet P. Goldblatt
J. C. Manning
author_sort P. Goldblatt
collection DOAJ
description Study of some early types of species now known to belong to the genus  Tritonia Ker Gaw l.. a member of Iridaceae. sub­ family Crocoideae, comprising some 28 species of southern and south tropical Africa, has shown the need for some nomen- clatural adjustments. Ixia undulata Burm.f. (1768) is an earlier name for T. crispa (L.f.) Ker Gawl. based on Gladiolus crispus L.f. (1782) and the combination  T. undulata (Burm.f.) Baker must be used for the species, which is native to the western half of Western Cape, South Africa. The variety  T. crispa var. parx iflora is also reduced to synonymy. The type specimen of Ixia gladiolaris Lam. (1789), currently considered a synonym of Tritonia securigera (Aiton) Ker Gawl.. has flowers that lack the characteristic tooth-like ridges on the lower tepals of the latter, and corresponds closely to the eastern southern African  T.   lineata (Salisb.) Ker Gawl., based on Gladiolus lineatus Salisb. (1796). The new combination  T. gladiolaris (Lam.) Goldblatt & J.C. Manning is made and  T. lineata is reduced to synonymy.  Montbretia lacerata and  Tritonia lacerata. erroneously regarded as synonyms of T. crispa, are combinations based on Gladiolus laceratus Burm.f., a species that remains unidenti­ fied because no type is known and the description is too vague to permit its identification. Lastly, field studies have shown that the cnsped-leaved T. watermeveri is connected by a series of morphological intermediates to typical  T. securigera. which has straight leaves and identical flowers. The new combination  T. securigera subsp. watermeveri (L.Bolus) J.C.Manning & Goldblatt is proposed for this taxon.
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spelling doaj.art-6ec129f27acf41d78d59a45e169932ca2022-12-21T23:07:43ZengSouth African National Biodiversity InstitutBothalia: African Biodiversity & Conservation0006-82412311-92842006-08-01361576110.4102/abc.v36i1.332269Notes on the systematics and nomenclature of <i>Tritonia</i> (Iridaceae: Crocoideae)P. Goldblatt0J. C. Manning1B A Krukoff Curator of African Botany. Missouri Botanical Garden.B A Krukoff Curator of African Botany. Missouri Botanical Garden.Study of some early types of species now known to belong to the genus  Tritonia Ker Gaw l.. a member of Iridaceae. sub­ family Crocoideae, comprising some 28 species of southern and south tropical Africa, has shown the need for some nomen- clatural adjustments. Ixia undulata Burm.f. (1768) is an earlier name for T. crispa (L.f.) Ker Gawl. based on Gladiolus crispus L.f. (1782) and the combination  T. undulata (Burm.f.) Baker must be used for the species, which is native to the western half of Western Cape, South Africa. The variety  T. crispa var. parx iflora is also reduced to synonymy. The type specimen of Ixia gladiolaris Lam. (1789), currently considered a synonym of Tritonia securigera (Aiton) Ker Gawl.. has flowers that lack the characteristic tooth-like ridges on the lower tepals of the latter, and corresponds closely to the eastern southern African  T.   lineata (Salisb.) Ker Gawl., based on Gladiolus lineatus Salisb. (1796). The new combination  T. gladiolaris (Lam.) Goldblatt & J.C. Manning is made and  T. lineata is reduced to synonymy.  Montbretia lacerata and  Tritonia lacerata. erroneously regarded as synonyms of T. crispa, are combinations based on Gladiolus laceratus Burm.f., a species that remains unidenti­ fied because no type is known and the description is too vague to permit its identification. Lastly, field studies have shown that the cnsped-leaved T. watermeveri is connected by a series of morphological intermediates to typical  T. securigera. which has straight leaves and identical flowers. The new combination  T. securigera subsp. watermeveri (L.Bolus) J.C.Manning & Goldblatt is proposed for this taxon.https://abcjournal.org/index.php/abc/article/view/332Iridaceaesouthern Africasystematics. Tritonia Ker Gawl.. Tritonia crispa (L.f.) Ker Gawl.. Tritonia flava (Aiton) Ker Gawl.Tritonia securigera subsp. watermeveri (L.Bolus) J.C.Manning & Goldblatt. Tritonia undulata (Burm.f.) Baker
spellingShingle P. Goldblatt
J. C. Manning
Notes on the systematics and nomenclature of <i>Tritonia</i> (Iridaceae: Crocoideae)
Bothalia: African Biodiversity & Conservation
Iridaceae
southern Africa
systematics. Tritonia Ker Gawl.. Tritonia crispa (L.f.) Ker Gawl.. Tritonia flava (Aiton) Ker Gawl.
Tritonia securigera subsp. watermeveri (L.Bolus) J.C.Manning & Goldblatt. Tritonia undulata (Burm.f.) Baker
title Notes on the systematics and nomenclature of <i>Tritonia</i> (Iridaceae: Crocoideae)
title_full Notes on the systematics and nomenclature of <i>Tritonia</i> (Iridaceae: Crocoideae)
title_fullStr Notes on the systematics and nomenclature of <i>Tritonia</i> (Iridaceae: Crocoideae)
title_full_unstemmed Notes on the systematics and nomenclature of <i>Tritonia</i> (Iridaceae: Crocoideae)
title_short Notes on the systematics and nomenclature of <i>Tritonia</i> (Iridaceae: Crocoideae)
title_sort notes on the systematics and nomenclature of i tritonia i iridaceae crocoideae
topic Iridaceae
southern Africa
systematics. Tritonia Ker Gawl.. Tritonia crispa (L.f.) Ker Gawl.. Tritonia flava (Aiton) Ker Gawl.
Tritonia securigera subsp. watermeveri (L.Bolus) J.C.Manning & Goldblatt. Tritonia undulata (Burm.f.) Baker
url https://abcjournal.org/index.php/abc/article/view/332
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