scholarly journals New taxa of Hesperantha (Iridaceae: Crocoideae) from the southern African winter rainfall region and a review of the H. pilosa complex

Bothalia ◽  
2013 ◽  
Vol 43 (2) ◽  
pp. 145-152 ◽  
Author(s):  
P. Goldblatt ◽  
J. C. Manning
Keyword(s):  
Far East ◽  
Western Cape ◽  
Winter Rainfall ◽  
Additional Material ◽  
Short Style ◽  
Dark Pigmentation ◽  
Northern Cape ◽  
Perianth Tube ◽  
Three New Species ◽  
Rainfall Region

The southern and tropical Africa genus Hesperantha Ker Gawl., now with 85 species, is distinguished in subfam. Crocoideae by the style dividing into relatively long, usually laxly spreading style branches at or shortly below the mouth of the perianth tube (rarely well within the tube or above the mouth of the tube) and, with a few exceptions, by hard, woody corm tunics. We describe three new species here. H. dolomitica Goldblatt J.C.Manning, a narrow endemic of limestone outcrops on slopes north of the Vars River in the Knersvlakte, Western Cape, has the bell-shaped corms characteristic of the small sect. Hesperantha but is distinctive in the section in its pure white perianth with relatively long tube and soft-textured, falcate to distally trailing leaves. H. laxifolia Goldblatt J.C.Manning from the Pakhuis Mtns, Western Cape, stands out in sect. Hesperantha in its prostate, somewhat succulent foliage leaves, and spikes of 2–5 white flowers with unusually short filaments less than 1 mm long and particularly short anthers, ± 4 mm long. The short style branches, ± 4 mm long, remain suberect rather than laxly spreading. H. secunda Goldblatt J.C.Manning from the Roggeveld Escarpment, Northern Cape, has until now been included in H. pilosa but differs in its secund spike of nodding flowers with short style branches, and leaves with broadly winged margins. We also recognize a new subsp. bracteolata (R.C.Foster) Goldblatt J.C.Manning of H. pilosa (L.f.) Ker Gawl. for populations of plants with diurnal flowers with usually blue or purple (occasionally white) tepals lacking dark pigmentation on the reverse. With additional material to hand, we reduce blue-flowered H. ciliolata Goldblatt to synonymy in subsp. bracteolata and report range extensions for H. pilosa subsp. pilosa, now recorded as far east as the Langeberg near Cloete’s Pass.

New species of Iridaceae from the Hantam-Roggeveld Centre of Endemism, and the Bokkeveld, Northern Cape, South Africa

Bothalia ◽  
2006 ◽  
Vol 36 (2) ◽  
pp. 139-145 ◽  
Author(s):  
J. C. Manning ◽  
P. Goldblatt
Keyword(s):  
South Africa ◽  
New Species ◽  
River Valley ◽  
Lower Half ◽  
Short Style ◽  
Northern Cape ◽  
Perianth Tube ◽  
Three New Species

Three new species of Iridaceae are described from the Bokkeveld and Roggeveld Escarpments.  Ixia amethystina. a member of section Dichone, is endemic to the edge of the Roggeveld Escarpment. It shares an unusual, inclined spike that is nodding in bud with  I. trifolia but is distinguished by its blackish purple (not yellow) anthers, narrower leaves 1.5-2.0 mm wide, medium-textured corm tunics that form a distinct neck at the base of the stem, and short style branches 2.0-2.5 mm long.Moraea marginata. another Roggeveld endemic, is a member of section Polvanthes and florally similar to M. fistulosa and M. monticola but differs in its linear, channelled leaves 5-7 mm wide, with unusual, thickened margins. Romulea singularis. from the edge of the Kobee River Valley in the Bokkeveld Mountains, is a member of section  Ciliatae. It is unique in the genus in its narrowly funnel-shaped, mauve to purple flowers with slender perianth tube 10-11 mm long, and unusually long filaments, 8-9 mm long, inserted in the lower half of the tube.

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

Bothalia ◽  
2009 ◽  
Vol 39 (1) ◽  
pp. 1-10 ◽  
Author(s):  
P. Goldblatt ◽  
J. C. Manning
Keyword(s):  
New Species ◽  
Western Cape ◽  
Hybrid Swarm ◽  
African Species ◽  
Short Style ◽  
Centre Of Diversity ◽  
Northern Cape ◽  
Sub Saharan ◽  
Three New Species ◽  
First Time

Three new species are described in the largely sub-Saharan genus Moraea Mill. (± 200 spp.), all from its centre of diversity in the winter rainfall region of southern Africa. Moraea pearsonii, 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.  Moraea tanquana, from the Tankwa River Basin in Northern Cape, resembles the southern Namaqualand M. deserticola but has broad, plane leaves, short anthers exserted from a shallower floral cup and a short style. In section Acaules, M. longipes 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. Moraea jarmilae described from Ox Bow, Lesotho in 2002, is conspecific with M. albicuspa and is reduced to synonymy. Significant range extensions are reported for M. elsiae, M. falcifolia, M. pseudospicata, M. spathulata, M. tricolor, M. vegeta, M. verecunda, M. vespertina and M. vlokii. 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 M. bipartita, as well as the occurrence of a hybrid swarm, rare in Moraea, between M. bipartita and M. polyanthos.

Eight new species of Moraea (Iridaceae) from southern Africa with range extensions and morphological notes in the genus

Bothalia ◽  
2013 ◽  
Vol 43 (2) ◽  
pp. 153-166 ◽  
Author(s):  
P. Goldblatt ◽  
J. C. Manning
Keyword(s):  
New Species ◽  
Southern Africa ◽  
Western Cape ◽  
Winter Rainfall ◽  
African Species ◽  
Basal Leaf ◽  
Pale Yellow ◽  
Northern Cape ◽  
Sub Saharan ◽  
African Genus

We describe eight new southern African species in the largely sub-Saharan African genus Moraea L., one from the winterdry Great Karoo and the others from the winter-rainfall zone of the southwest of the subcontinent. M. striata Goldblatt J.C.Manning (subg. Visciramosae Goldblatt) from the southern foothills of the Great Swartberg Mtns has khaki-green flowers with reflexed tepal limbs streaked with dark lines. The acaulescent M. singularis Goldblatt J.C.Manning (subg. Umbellatae Goldblatt J.C.Manning) with terete leaf blades is restricted to the dry, interior foothills of the Kamiesberg in Northern Cape. M. filamentosa Goldblatt J.C.Manning, subg. Acaules (Baker) Goldblatt J.C.Manning, is described from the dry interior of Namaqualand in Northern Cape. The species is closely allied to the widespread M. falcifolia Klatt. In subg. Polyanthes (Goldblatt) Goldblatt J.C.Manning, we describe M. thermarum Goldblatt J.C.Manning (sect. Hexaglottis (Vent.) Goldblatt) from southwestern Namibia, allied to M. brevituba (Goldblatt) Goldblatt, and M. lazulina Goldblatt J.C.Manning (sect. Pseudospicata Goldblatt J.C.Manning) from the Little Karoo, until now confused with M. exiliflora Goldblatt but differing in its larger flowers with strongly reflexed tepals. The new M. petricola Goldblatt J.C.Manning (subg. Vieusseuxia (D.Delaroche) Goldblatt), is restricted to higher elevations of the Pakhuis Mtns of northern Western Cape. Lastly, in subg. Homeria (Vent.) Goldblatt J.C.Manning, we recognize M. doleritica Goldblatt J.C.Manning with pale yellow flowers and anthers exceeding the style branches, restricted to dolerite outcrops in the Great Karoo, and M. eburnea Goldblatt J.C.Manning from the northern foothills of the Klein Swartberg, which has a single, basal leaf and pale yellow flowers with filaments free distally. Moraea now has 222 species, including 203 in southern Africa, of which 200 are endemic to the region. In addition to describing new species, the paper brings to light range extensions of a further eight species: M. barnardii L.Bolus, M. elliotii Baker, M. exiliflora Goldblatt, M. falcifolia Goldblatt J.C.Manning, M. fenestralis (Goldblatt E.G.H.Oliver) Goldblatt, M. louisabolusiae Goldblatt, M. tulbaghensis L.Bolus and M. unguiculata Ker Gawl. Each of the species falls into one of the subgenera mentioned for the new species except M. fenestralis which belongs in subg. Galaxia.

New species and subspecies of Babiana, Hesperantha, and Ixia (Iridaceae: Crocoideae) from southern Africa; range extensions and morphological and nomenclatural notes on Babiana and Geissorhiza

Bothalia ◽  
2012 ◽  
Vol 42 (2) ◽  
pp. 137-145 ◽  
Author(s):  
P. Goldblatt ◽  
J. C. Manning
Keyword(s):  
New Species ◽  
Southern Africa ◽  
New Record ◽  
First Record ◽  
Winter Rainfall ◽  
Late Flowering ◽  
Typical Form ◽  
Northern Cape ◽  
Rainfall Region

Babiana rivulicola from stream banks in the Kamiesberg in Namaqualand and terete-leaved Ixia teretifolia from the Roggeveld, both in Northern Cape, are new species of these two largely winter-rainfall region genera. Late-flowering populations of Hesperantha radiata with crowded spikes of smaller flowers are segregated from the typical form as subsp. caricina. We also document the first record of B. gariepensis from Namibia, correct the authority for B. purpurea Ker Gawl., discuss morphologically aberrant populations of B. tubiflora from Saldanha, provide an expanded description for B. lapeirousiodes based on the second and only precisely localized collection of this rare Namaqualand species, and expand the circumscription of Geissorhiza demissa to accommodate a new record from the Kamiesberg, including revised couplets to the existing key to the species.

Three new species of Lachenalia (Hyacinthaceae: Massonieae) from Western and Northern Cape, South Africa

Bothalia ◽  
2006 ◽  
Vol 36 (2) ◽  
pp. 147-155 ◽  
Author(s):  
G. D. Duncan ◽  
T. J. Edwards
Keyword(s):  
South Africa ◽  
New Species ◽  
Western Cape ◽  
Southwestern Part ◽  
Cape Peninsula ◽  
Northern Cape ◽  
Three New Species

This is the sixth in a series of papers on Lachenalia, towards a revision of the genus. Three new species are described. L. lutea from the southwestern part of the Western Cape, L. cernua from the southern Cape Peninsula and the Worcester Valley of the Western Cape, and L. nardousbergensis from the Bokkeveld Plateau of the Northern Cape, and the Nardousberge and Middelburg Plateaus of the Western Cape.

scholarly journals The distribution of the dwarf succulent genus Conophytum N.E.Br. (Aizoaceae) in southern Africa

Bothalia ◽  
2016 ◽  
Vol 46 (1) ◽  
Author(s):  
Andrew J. Young ◽  
Philip G. Desmet
Keyword(s):  
Climate Change ◽  
South Africa ◽  
Southern Africa ◽  
Conservation Planning ◽  
Cape Floristic Region ◽  
Geographical Range ◽  
Western Cape ◽  
Succulent Karoo ◽  
Winter Rainfall ◽  
Rainfall Region

Background: The dwarf succulent genus Conophytum N.E.Br. is one of the most species rich in the Aizoceae. The genus is most closely associated with a region of high floral endemism and biodiversity, the Succulent Karoo biome in south-western Africa.Objectives: To examine the distribution of Conophytum in south-western Namibia and in the Northern and Western Cape Provinces of South Africa.Method: A database comprising 2798 locality records representing all known species and subspecies of the genus Conophytum has been constructed.Results: The genus is primarily restricted to the arid winter-rainfall region of the Northern and Western Cape Provinces of South Africa and south-western Namibia, within the Greater Cape Floristic Region. Whilst taxa are found across all the main biomes in the region (the Succulent Karoo, Nama Karoo, Desert and Fynbos biomes), 94% of Conophytum taxa are found only in the Succulent Karoo biome and predominantly (88% of taxa) within South Africa. Endemism within specific bioregions is a feature of the genus and ~60% of taxa are endemic to the Succulent Karoo. Approximately 28% of all taxa could be considered point endemics. Whilst the genus has a relatively wide geographical range, we identify a pronounced centre of endemism in the southern Richtersveld.Conclusion: The genus Conophytum can be used as a good botanical model for studying patterns of diversity and speciation in the Succulent Karoo biome, the effects of climate change on dwarf succulents, and for informing conservation planning efforts.

Two new species of Pelargonium (Geraniaceae) from the Western and Northern Cape Provinces (South Africa) and their position within P. section Hoarea

Phytotaxa ◽  
2021 ◽  
Vol 516 (1) ◽  
pp. 92-100
Author(s):  
ELIZABETH M. MARAIS ◽  
ANSO LE ROUX
Keyword(s):  
South Africa ◽  
New Species ◽  
Leaf Shape ◽  
Flower Colour ◽  
Flower Structure ◽  
Winter Rainfall ◽  
Two New Species ◽  
Northern Cape ◽  
Flower Type ◽  
Rainfall Region

Pelargonium hammansbergense and P. roseopetalum are described as new species. Both are deciduous geophytes with turnip-shaped tubers belonging to P. section Hoarea. These two species share spathulate petals with narrow cuneate claws.  However, they differ in leaf shape, flower colour and markings on the petals. Their flower structure corresponds to that of P. aridicola, P. hirtipetalum, P. pubipetalum, P. reflexipetalum and P. tripalmatum. The seven species are compared with regard to the flower and leaf morphology, palynology and chromosome numbers. They all occur in the winter rainfall region along the west coast of South Africa. The two new species described here are illustrated and a key for the identification of the seven species with a P. aridicola flower type is included.

scholarly journals Romulea pilosa and R. quartzicola (Iridaceae: Crocoideae), two new species from the southern African winter rainfall region, with nomenclatural corrections

Bothalia ◽  
2011 ◽  
Vol 41 (2) ◽  
pp. 269-276 ◽  
Author(s):  
J. C. Manning ◽  
P. Goldblatt ◽  
A. D. Harrower
Keyword(s):  
New Species ◽  
Winter Rainfall ◽  
Bright Yellow ◽  
Bright Orange ◽  
In The Wild ◽  
Northern Cape ◽  
Narrow Endemics ◽  
Rare Endemic ◽  
Rainfall Region ◽  
A New Species

Romulea pilosa J.C.Manning Goldblatt and R. quartzicola J.C.Manning Goldblatt are two narrow endemics from the southern African winter rainfall region. An early, fragmentary collection of R. pilosa from Riviersonderend lacked the diagnostic corm and was thus mistakenly associated with R. tetragona (sect. Ciliatae) as var. flavandra M.P.de Vos because of the highly distinctive pilose, H-shaped leaf. The rediscovery of the taxon in the wild shows it to be a previously unrecognized member of sect. Aggregatae, distinguished by its unusual foliage and bright orange flowers. R. quartzicola was grown to flowering from seeds collected from quartz patches in southern Namaqualand and proved to be a new species of sect. Ciliatae, distinguished by its early flowering, short, subclavate leaves with reduced sclerenchyma strands, and bright yellow flowers with short bracts. R. neglecta M.P.de Vos, a rare endemic from the Kamiesberg in Northern Cape, is a later homonym for the Mediterranean R. neglecta Jord. Fourr., and the earliest name for this plant is shown to be R. speciosa (Ker Gawl.) Baker, typified by an illustration in Andrews’ The botanist’s repository. An epitype is designated to fix the application of the name. We have also examined the type illustration of R. pudica (Sol. ex Ker Gawl.) Baker, hitherto treated as an uncertain species, and are confident that it represents the species currently known as R. amoena Schltr. ex Bég., and takes priority over it as being the earlier name. The type of R. reflexa Eckl., a new name for the later homonym I. reflexa Thunb. and the basionym of R. rosea var. reflexa (Eckl.) Bég., has been mistakenly identified as an Ecklon collection but is in fact the collection that formed the basis of Thunberg’s I. reflexa. This collection is actually a form of R. flava Lam., and the name R. rosea var. reflexa is thus moved to the synonomy of that species. The variety currently known under this name should now be known as R. rosea var. muirii (N.E.Br.) Goldblatt J.C.Manning. Finally, the protologue of R. parviflora Eckl., until now treated under the synonomy of R. obscura Klatt var. obscura, is in fact consistent with R. rosea var. australis (Ewart) M.P.de Vos, and we therefore include the name in the synonomy of the latter.

Phytogeography of Pelargonium

Bothalia ◽  
1983 ◽  
Vol 14 (3/4) ◽  
pp. 517-523 ◽  
Author(s):  
J. J. A. Van der Walt ◽  
P. J. Vorster
Keyword(s):  
Southern Africa ◽  
Summer Rainfall ◽  
Western Cape ◽  
The South ◽  
Winter Rainfall ◽  
Distribution Maps ◽  
Present Distribution ◽  
The Individual ◽  
Rainfall Region

The vast majority of the approximately 2(H) species of Pelargonium oeeurs in Africa. About SO per cent of the species are endemic to the winter rainfall region of the Cape Province, and the centre of distribution lies in the south-western Cape. The distribution of the individual sections are discussed with the aid of distribution maps. The centre of distribution of most sections is in the south-western Cape, hut a few sections are centred in the eastern and western Cape. Several sections are represented by a few species in the summer rainfall region of southern Africa. As no fossils of Pelargonium are known, deductions about the origin of the genus can only be based on the present distribution of species, according to which arguments in favour of both a northern and a southern origin can he supported.

scholarly journals A preliminary undifferentiated faecal egg count reduction test survey in the Caledon area

2002 ◽  
Vol 73 (1) ◽  
Author(s):  
F.H. Dreyer
Keyword(s):  
South Africa ◽  
Anthelmintic Resistance ◽  
Western Cape ◽  
Therapeutic Dosage ◽  
Western Cape Province ◽  
Winter Rainfall ◽  
Reduction Test ◽  
Faecal Egg Count ◽  
Rainfall Region ◽  
Resistance Data

During October 1998 a study was performed in the Caledon area to determine the presence of anthelmintic resistance in the southern Western Cape, which falls within the winter rainfall region of South Africa. The study took the form of an undifferentiated faecal egg count reduction test (FECRt) survey. The predominant worm genera of the region are Teladorsagia and Trichostrongylus, but Haemonchus causes occasional outbreaks in sheep. No resistance data for any area in the Western Cape Province are available at present. Resistance (<90 % FECR) was recorded on 73 % of the farms included in the study, with 46 %of these involving resistance to 1 drench, 36 % to 2 drenches and 18 % to 3 drenches. No moxidectin resistance was detected when it was administered at the therapeutic dosage of 0.2 mg/kg. The results of this study show clearly that resistance of nematodes to other anthelmintics occurs in the Caledon area.

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