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New species of <i>Moraea</i> (Iridaceae: Iridoideae), with range extensions and miscellaneous notes for southern African species

By P. Goldblatt and J. C. Manning

Abstract

<p>Three new species are described in the largely sub-Saharan genus <em>Moraea</em> Mill. (± 200 spp.), all from its centre of diversity in the winter rainfall region of southern Africa. <em>Moraea</em> <strong>pearsonii</strong>, from Hottentotskloof near Ceres in Western Cape, flowers in late November and December when its leaves are ± dry, and has small, pale lilac, stellate flowers with the style branches each divided to the base into filiform arms.  <em>Moraea</em> <strong>tanquana</strong>, from the Tankwa River Basin in Northern Cape, resembles the southern Namaqualand <em>M. deserticola</em> but has broad, plane leaves, short anthers exserted from a shallower floral cup and a short style. In section <em>Acaules</em>, <em>M.</em><strong> longipes</strong> from Namaqualand stands out in its early flowering habit, a stem consisting of a single long intemode reaching well above the ground, short style and unusually long anthers. <em>Moraea jarmilae</em> described from Ox Bow, Lesotho in 2002, is conspecific with <em>M. albicuspa </em>and is reduced to synonymy. Significant range extensions are reported for <em>M. elsiae</em>, <em>M. falcifolia</em>, <em>M. pseudospicata</em>, <em>M. spathulata</em>, <em>M. tricolor</em>, <em>M. vegeta</em>, <em>M. verecunda</em>, <em>M. vespertina</em> and <em>M. vlokii</em>. A yellow-flowered morph, local in the Perdebont Valley of the Little Karoo, is reported for the first time in typically blue- to violet-flowered <em>M. bipartita</em>, as well as the occurrence of a hybrid swarm, rare in <em>Moraea</em>, between <em>M. bipartita</em> and <em>M. polyanthos</em>.</p

Topics: Iridaceae, Iridoideae, Moraea Mill., new species, southern Africa, taxonomy, General. Including nature conservation, geographical distribution, QH1-199.5
Publisher: AOSIS
Year: 2009
DOI identifier: 10.4102/abc.v39i1.225
OAI identifier: oai:doaj.org/article:a7f992e5b8934ab8885571855d0846de
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