Studies in the genus <i>Lotononis</i> (Crotalarieae, Fabaceae). 13. Two new species and notes on the occurrence of cleistogamy in the section <i>Leptis</i>

The occurrence of flower dimorphism in the genus Lotononis (DC.) Eckl. & Zeyh. is reported for the first time. Cleistogamous flowers have been observed in 12 species from four different groups of the sections Leptis (Eckl. & Zeyh.) Benth. and Oxydium Benth. Morphological differences between...

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Bibliographic Details
Main Author:	B-E. van Wyk
Format:	Article
Language:	English
Published:	South African National Biodiversity Institut 1990-10-01
Series:	Bothalia: African Biodiversity & Conservation
Subjects:	cleistogamy Fabaceae flower dimorphism Lotononis section Leptis new species
Online Access:	https://abcjournal.org/index.php/abc/article/view/889

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spelling	doaj-49fb50b69cff464ab3d376dde927ac852020-11-25T03:13:35ZengSouth African National Biodiversity InstitutBothalia: African Biodiversity & Conservation0006-82412311-92841990-10-01201172210.4102/abc.v20i1.889818Studies in the genus <i>Lotononis</i> (Crotalarieae, Fabaceae). 13. Two new species and notes on the occurrence of cleistogamy in the section <i>Leptis</i>B-E. van Wyk0Department of Botany, Rand Afrikaans UniversityThe occurrence of flower dimorphism in the genus Lotononis (DC.) Eckl. & Zeyh. is reported for the first time. Cleistogamous flowers have been observed in 12 species from four different groups of the sections Leptis (Eckl. & Zeyh.) Benth. and Oxydium Benth. Morphological differences between chasmogamous and cleistogamous flowers are discussed and illustrated. The phenomenon of flower dimorphism appears to be of limited taxonomic value but nevertheless supports the idea of an affinity between the L. laxa, L. pungens and L. leptoloba groups. Two recently discovered new species of the L. leptoloba and L. calycina groups, L. venosa B-E. van Wyk and L. acuticarpa B-E. van Wyk, are described.https://abcjournal.org/index.php/abc/article/view/889cleistogamyFabaceaeflower dimorphismLotononis section Leptisnew species
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	B-E. van Wyk
spellingShingle	B-E. van Wyk Studies in the genus <i>Lotononis</i> (Crotalarieae, Fabaceae). 13. Two new species and notes on the occurrence of cleistogamy in the section <i>Leptis</i> Bothalia: African Biodiversity & Conservation cleistogamy Fabaceae flower dimorphism Lotononis section Leptis new species
author_facet	B-E. van Wyk
author_sort	B-E. van Wyk
title	Studies in the genus <i>Lotononis</i> (Crotalarieae, Fabaceae). 13. Two new species and notes on the occurrence of cleistogamy in the section <i>Leptis</i>
title_short	Studies in the genus <i>Lotononis</i> (Crotalarieae, Fabaceae). 13. Two new species and notes on the occurrence of cleistogamy in the section <i>Leptis</i>
title_full	Studies in the genus <i>Lotononis</i> (Crotalarieae, Fabaceae). 13. Two new species and notes on the occurrence of cleistogamy in the section <i>Leptis</i>
title_fullStr	Studies in the genus <i>Lotononis</i> (Crotalarieae, Fabaceae). 13. Two new species and notes on the occurrence of cleistogamy in the section <i>Leptis</i>
title_full_unstemmed	Studies in the genus <i>Lotononis</i> (Crotalarieae, Fabaceae). 13. Two new species and notes on the occurrence of cleistogamy in the section <i>Leptis</i>
title_sort	studies in the genus <i>lotononis</i> (crotalarieae, fabaceae). 13. two new species and notes on the occurrence of cleistogamy in the section <i>leptis</i>
publisher	South African National Biodiversity Institut
series	Bothalia: African Biodiversity & Conservation
issn	0006-8241 2311-9284
publishDate	1990-10-01
description	The occurrence of flower dimorphism in the genus Lotononis (DC.) Eckl. & Zeyh. is reported for the first time. Cleistogamous flowers have been observed in 12 species from four different groups of the sections Leptis (Eckl. & Zeyh.) Benth. and Oxydium Benth. Morphological differences between chasmogamous and cleistogamous flowers are discussed and illustrated. The phenomenon of flower dimorphism appears to be of limited taxonomic value but nevertheless supports the idea of an affinity between the L. laxa, L. pungens and L. leptoloba groups. Two recently discovered new species of the L. leptoloba and L. calycina groups, L. venosa B-E. van Wyk and L. acuticarpa B-E. van Wyk, are described.
topic	cleistogamy Fabaceae flower dimorphism Lotononis section Leptis new species
url	https://abcjournal.org/index.php/abc/article/view/889
work_keys_str_mv	AT bevanwyk studiesinthegenusilotononisicrotalarieaefabaceae13twonewspeciesandnotesontheoccurrenceofcleistogamyinthesectionileptisi
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Studies in the genus <i>Lotononis</i> (Crotalarieae, Fabaceae). 13. Two new species and notes on the occurrence of cleistogamy in the section <i>Leptis</i>

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