Vitex ferruginea Schumach. &amp; Thonn.
Creators: name: Meerts, Pierre
Publisher: name: Zenodo
Year: 2018
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Lamiales
Lamiaceae
Vitex
Vitex ferruginea

description: <b>9.</b> <i>Vitex ferruginea</i> Schumach. &amp; Thonn. (Schumacher 1827: 228); Baker (1900: 324); Durand &amp; Durand (1909: 437); Pieper (1928: 70); Huber et al (1963: 447); Verdcourt (1992: 66); (Beentje 1994: 622); Lebrun &amp; Stork (1997: 524); Sales (2001: 193; 2005: 81); Coates Palgrave &amp; Coates Palgrave (2005: 982); Cabral (2013: 211). – Type: Ghana, near Aquapim, <i>Thonning</i> 265 (lecto-: Cbarcode C 10004696, <b>designated here</b>, isolecto-: Cbarcodes C 10004697 &amp; C 10004695, FI barcode FI011043, Sbarcode S 11-26315). <i>Vitex welwitschii</i> Gürke (Gürke 1893: 166); Hiern (1900: 166); Baker (1900: 329); Pieper (1928: 69); De Wildeman (1929a: 20); Robyns (1947: 140); Moldenke (1958b: 223); Lebrun &amp; Stork (1997: 526). – Type: Angola, Golungo Alto, <i>Welwitsch</i> 5644 (lecto-: Kbarcode K000249101 designated by Cabral (2013)). <i>Vitex laurentii</i> De Wild. (De Wildeman 1909: 129; 1910a: 255; 1912b: 132). – <i>Vitex welwitschii</i> var. <i>laurentii</i> (De Wild.) W.Piep. (Pieper 1928: 69); Robyns (1947: 141); Moldenke (1958b: 223). – Type: D.R. Congo, Mogandjo, Mar. 1906, <i>Laurent</i> 1921 (lecto-: BR barcode BR0000008909305 designated by Cabral (2013), isolecto-: BR0000008909275). A tree. Young twigs ochraceous pubescent. Leaflets 5; petiolule 3–12 mm; lamina narrowly elliptic, acuminate, upper surface glabrous and smooth, dark blackish green in herbarium; lower surface shortly ochraceous pubescent on veins. Inflorescence of dichasia, much shorter then subtending leaf, few-flowered; bracts narrowly elliptic, discolorous, ochraceous tomentose beneath, glabrous above; calyx 3–5 mm, densely ochraceous pubescent; corolla 8–12 mm, cream with mauve lower lip, stamens long protruding; ovary hairy. Fruit 15–35 mm long. <b>Distribution</b> – Widespread in tropical Africa, southwards to South Africa. <b>Note</b> – Lectotypification of <i>Vitex ferruginea</i> Schumach. &amp; Thonn. The three specimens of <i>Thonning</i> 265 in C (C barcodes C10004695, C10004696, C10004697) have to be considered as syntypes (Hepper 1976). The most complete specimen is selected as the lectotype (C barcode C10004696). Lectotypification of <i>Vitex welwitschii</i> Gürke. The protologue describes flowers, not fruits. Cabral (2013) designated <i>Welwitsch</i> 5644 (K barcode K000249101), a flowering specimen, as the lectotype. <i>Welwitsch</i> 5644 is, however, an admixture of specimens collected at three dates, two with flowers and one with fruits (Hiern 1900). Therefore, as pointed out by Albuquerque et al. (2009), it is not recommended to consider sheets with the same number to be isolectotypes, in the case of Welwitsch’s collections. All the other remaining original material has therefore to be considered as syntypes (BM barcodes BM000834750 &amp; BM000566971, COI barcode COI00077134, LISU barcodes LISU254232 &amp; LISU223678, PRE barcode PRE0590365-0, Cbarcode C10001498).
description: Published as part of <i>Meerts, Pierre, 2018, Synopsis of the genus Vitex (Lamiaceae) in the Democratic Republic of the Congo, pp. 380-392 in Plant Ecology and Evolution 151 (3)</i> on page 386, DOI: 10.5091/plecevo.2018.1504, http://zenodo.org/record/7664390
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