A revision of Ledebouria(Hyacinthaceae) in South Africa. 2. Two new species, L. crispa and L. parvifolia, and L. macowanii re-instated

Bothalia ◽  
1998 ◽  
Vol 28 (2) ◽  
pp. 179-182 ◽  
Author(s):  
S. Venter ◽  
T. J. Edwards

Two endemic Ledebouria Roth species are described with notes, diagnostic characters, distributions and alliances. L. crispa appears to be allied to L. socialis (Baker) Jessop with which it shares densely gregarious, epigeal bulbs and L. undulata (Jacq.) Jessop of the Northern and Western Cape which shares crispate leaf margins.  L parvifolia is endemic to Mpumalanga (eastern Transvaal) and was recorded from a single locality near Graskop; it differs from L. cooperi (Hook.f.)Jessop in having hairy upper leaf surfaces. L  macowanii (Baker) S.Venter is re instated; it is distinguished from L. cooperi by its tightly clasping bulb scales and single cataphyll.

Bothalia ◽  
2000 ◽  
Vol 30 (1) ◽  
pp. 49-53 ◽  
Author(s):  
E. G. H. Oliver ◽  
I. M. Oliver

TWO NEW SPECIES OF ERICA FROM WESTERN CAPE. SOUTH AFRICA


Phytotaxa ◽  
2019 ◽  
Vol 408 (4) ◽  
pp. 283-288
Author(s):  
ERNST VAN JAARSVELD ◽  
STEPHANUS VENTER

A new species of Ledebouria is described and illustrated from near Greyton in the Western Cape of South Africa. It consists of dense clusters of plants, bearing semi-succulent linear-elliptic to linear-ovate leaves that are appressed to the ground, and with 12 distinct pale whitish green ridges with glandular hairs. Ledebouria weberi is morphologically similar to Ledebouria corrugata in having lines of papillae on the adaxial lamina surface, and soil particles adhering to the leaf surfaces. However, L. weberi is distinguished from L. corrugata in having only 12 rows of ridges with three-lobed tongue-shaped trichomes vs 30–40 broken rows with obtuse papillae, a flaccid inflorescence vs an erect inflorescence, longer peduncle and pedicel, smaller tepals, longer stamens and smaller ovary. Ledebouria weberi is known from several gatherings made by Wolfgang Weber since 2000. Plants grow in full sun on lateritic gravel flats.


2010 ◽  
Vol 67 (3) ◽  
pp. 425-430 ◽  
Author(s):  
C. N. Cupido

A new species, Roella uncinata Cupido (Campanulaceae), from Western Cape, South Africa, is described and illustrated, and its known distribution mapped. A proposed conservation assessment is provided, and its diagnostic characters and affinity are discussed.


Phytotaxa ◽  
2017 ◽  
Vol 316 (3) ◽  
pp. 261 ◽  
Author(s):  
GRAHAM DUNCAN

Two recently discovered species of Lachenalia from South Africa, Lachenalia barbarae from the Overberg district of the Western Cape and Lachenalia adamii from the Bokkeveld escarpment of the Northern Cape, are described. In addition, details of the rediscovery of two species previously thought to be possibly extinct in the wild, Lachenalia martleyi from the Overberg district in the Western Cape and Lachenalia macgregoriorum from the Bokkeveld plateau in the Northern Cape, are provided, as well as a range extension for the critically endangered Lachenalia moniliformis from the Breede River Valley in the Western Cape.


Bothalia ◽  
2006 ◽  
Vol 36 (1) ◽  
pp. 33-37 ◽  
Author(s):  
R. C. Turner ◽  
E. G. H. Oliver

Two new species of the genus Erica L. from the north-facing slopes of the Langeberg are described— E turneri,  known only from the type locality on Zuurbraak Mountain and E. euryphylla,  occurring on the same mountain slope, as well as on the middle north-facing slopes   of Hermitage Peak near Misty Point in the Marloth Nature Reserve above Swellendam.


Bothalia ◽  
1999 ◽  
Vol 29 (2) ◽  
pp. 217-223 ◽  
Author(s):  
J. C. Manning ◽  
P. Goldblatt ◽  
P. J. D. Winter

Gladiolus rhodanthus is a new species known from a single population on the summit of the Stettynsberg near Villiersdorp in Western Cape. South Africa The species most closely resembles G. hirsutus and G caryophyllaceus but differs from both in flower shape and markings and in its ecology and reproductive biology. It forms part of a guild of long- tubed, pink-flowered species including  Erica praecox, Pelargonium radiatum and  Watsonia paucifolia which are pollinated by an undescribed long-proboscid fly. Moegistorhynchus sp nov. (Diptera : Nemestrinidae). Gladiolus sekukuniensis is a new species known from three populations south of the Strydpoortberge in Northern Province It closely resembles G. permeahilis subsp  edulis in vegetative features and in flower form, but differs from it in flower colour and in the elongate peri­anth tube. These floral features are apparently adaptations to pollination by long-proboscid flies.


Bothalia ◽  
2006 ◽  
Vol 36 (2) ◽  
pp. 133-138 ◽  
Author(s):  
D. A. Snijman

Newly described are two new species of Spiloxene Salisb.:  S. nana Snijman from the Bokkeveld Escarpment, Northern Cape Province, is a shade-loving plant with narrow, pale green leaves and small, white or rarely cream-coloured flowers; S. pusilla Snijman from the Matsikamma, Gifberg and Pakhuis Mountains. Western Cape Province, resembles S. nana in habit but the yellow- or white-tepalled flowers which are tetramerous or hexamerous have darkly coloured stamens and style and an ovary with a short, solid, narrow prolongation at the apex. Inhabiting rock overhangs formed by quartzitic sandstone sheets, both species are close allies of S. scullyi (Baker) Garside from Namaqualand.


Phytotaxa ◽  
2020 ◽  
Vol 430 (1) ◽  
pp. 25-32
Author(s):  
ANIFAT O. BELLO ◽  
JAMES S. BOATWRIGHT ◽  
MICHELLE VAN DER BANK ◽  
ANTHONY R. MAGEE

During taxonomic studies of the southern African genus Pteronia, four new species, P. armatifolia, P. decurrens, P. flava and P. glandulosa were uncovered from the Northern and Western Cape provinces of South Africa. We formally describe these four new species here and provide detailed descriptions, diagnostic characters, geographical distributions, as well as ecological information for each of the species.


2018 ◽  
Vol 23 (7) ◽  
pp. 1290 ◽  
Author(s):  
Philipp Chetverikov ◽  
Charnie Craemer ◽  
Stefan Neser ◽  
Sarah Zukoff

A new phytoptid genus and two new species, Solenocristus karooensis n. g. & n. sp. and S. searsius n. sp. (Phytoptidae, Sierraphytoptinae, Sierraphytoptini), were collected in the Eastern and Western Cape provinces of South Africa, from southern African endemic dicotyledonous trees Schotia afra (Fabaceae) and Searsia lucida (Anacardiaceae) respectively. They are described and illustrated with the aid of conventional light microscopy and low temperature scanning electron microscopy. Females of both new species possess a distinct pregenital plate divided into two parts by a subcuticular medial ridge. Additionally, in S. karooensis n. sp. the movable digit of the male chelicerae varies in length: among six observed males, three males had a movable digit (md) twice shorter than the fixed digit (fd), in one male it was slightly shorter than fd and in the remaining two males md and fd were of the same length. An updated key to the world genera of the tribe Sierraphytoptini is given. The key incorporates data on seven sierraphytoptine genera including three genera (Neoprothrix Reis & Navia, Solenoplatilobus Chetverikov & Craemer and Solenocristus n. g.) which were described since the last generic key of Eriophyoidea by Amrine et al. (2003) was published.


ZooKeys ◽  
2020 ◽  
Vol 963 ◽  
pp. 45-79
Author(s):  
William F. Englund ◽  
Laban Njoroge ◽  
Olof Biström ◽  
Kelly B. Miller ◽  
David T. Bilton ◽  
...  

We revise the Afrotropical Agabus raffrayi species group, motivated by the discovery of new diversity in Kenya and South Africa. Whilst Agabus is mainly a holarctic genus, the Agabus raffrayi group is restricted to high altitude regions of eastern Africa and temperate parts of South Africa, from where we describe the southernmost Agabus in the world. The following new species are introduced: Agabus anguluverpussp. nov. from Mount Kenya in central Kenya, Agabus austellussp. nov. a widespread species in South Africa, Agabus riberaesp. nov. from the Kamiesberg and northeastern Cederberg ranges in the Northern and Western Cape Provinces of South Africa and Agabus agulhassp. nov. from the Agulhas Plain, Western Cape Province, South Africa. We provide a distribution map, a determination key for males, quantitative measurements of diagnostic characters, habitus photos and detailed photos of male genitalia for all described species in the group, as well as images of diagnostic characters and habitats. The presence or absence of an elongated section between the subapical broadening and the base of the apical and subapical teeth of the male aedeagus is a useful novel character, first revealed by our study. In contrast with the most recent revision of Afrotropical Agabus, we show that Agabus ruwenzoricus Guignot, 1936 is restricted to eastern Africa; South African records of this species having been based on misidentifications, no species of the group being common to southern and eastern Africa. We speculate that the raffrayi group may display phylogenetic niche conservatism, being restricted, as an originally temperate taxon, to higher elevations in tropical eastern Africa, but occurring at lower altitudes in temperate South Africa.


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