MINI REVIEW

P Berjak and NW Pammenter 

79

Seed recalcitrance - current perspectives

Abstract

RESEARCH PAPERS

GJ Campbell and B-E van Wyk 

90

A taxonomic revision of Rafnia (Fabaceae, Crotalarieae)

Abstract

N Allsopp and PM Holmes 

150

The impact of alien plant invasion on mycorrhizas in mountain fynbos vegetation

Abstract

RN Okagbue, E Mwenje, T Kudanga, M Siwela and T Sibanda 

157

Isolation of Aureobasidium pullulans from Zimbabwean sources and glucosidase activities of selected isolates

Abstract

U Meve and S Liede 

161

Reconsideration of the status of Lavrania, Larryleachia and Noteclaidnopsis (Asclepiadoideae-Ceropegieae)

Abstract

CHBA Prado, EEM Passos and JAPV de Moraes 

169

Photosynthesis and water relations of six tall genotypes of Cocos nucifera in wet and dry seasons

Abstract

B Matsiliza and NP Barker 177

A preliminary survey of plants used in traditional medicine in the Grahamstown area

Abstract

X Zou, DW Fountain and ER Morgan 

183

Anatomical and morphological studies of seed development in Sandersonia aurantiaca (Hook.)

Abstract

FL Hancke, WS Jansen van Rensburg and H Liebenberg 

193

Chromosome associations of three interspecific, dibasic Lachenalia hybrids

Abstract

LG Mashabane, DCJ Wessels and MJ Potgieter 

199

The utilisation of Colophospermum mopane by the Vatsonga in the Gazankulu region (eastern Northern Province, South Africa)

Abstract

EMA Steyn, AE van Wyk and GF Smith 

206

A study of the ovule, embryo sac and young seed of Guthriea capensis (Achariaceae)

Abstract

A Jordaan, DCJ Wessels and H Kruger 

214

Morphology, ontogeny and functional anatomy of the seeds of Colophospermum mopane

Abstract

E Retief, SJ Siebert and AE van Wyk 

230

A new species of Rhoicissus (Vitaceae) from Sekhukhuneland, South Africa

Abstract

SJE Wand, KJ Esler and MR Bowie 

235

Seasonal photosynthetic temperature responses and changes in Delta¹³C under varying temperature regimes in leaf-succulent and drought deciduous shrubs from the Succulent Karoo

Abstract

KA Bindon and FC Botha 

244

Tissue discs as an experimental system for metabolic flux analysis in the sugarcane culm

Abstract

S Ramgareeb, MP Watt and AJ Cooke 

250

Micropropagation of Cynodon dactylon from leaf and nodal segments

Abstract

EO Obiremi and FA Oladele 

258

Water conserving stomatal systems in selected Citrus species

Abstract

WN Ellery, K Balkwill and K Ellery and RA Reddy 

261

Conservation of the Vegetation on the Melville Ridge, Johannesburg

Abstract

SG McKean 

274

Productivity and sustainable use of Phragmites in the Fuyeni reedbed – Hluhluwe-Umfolozi Park - Management guidelines for harvest

Abstract

PW Malan, HJT Venter and PJ du Preez 

281

Acacia related shrub communities of the dry south-western Free State

Abstract

E Retief and AE van Wyk 

287

The genus Amsinckia Lehm. (Boraginaceae) in southern Africa

Abstract

MNV Dingaan, PJ du Preez and HJT Venter 

294

Riparian and wetland vegetation of natural open spaces in Bloemfontein, Free State

Abstract

S Winter and CD Morris 

303

Mistbelt grassland fragmentation in the Umvoti conservancy, KwaZulu-Natal, South Africa

Abstract

Z Shen, E Chouser-Volfson, Z Hu and Y Gutterman 

312

Leaf age, position and anatomical influences on the distribution of the secondary metabolites, homonataloin and three isomers of aloeresin in Aloe hereroensis (Aloaceae) leaves

Abstract

C Khosla, KR Shivanna and HY Mohan Ram 

320

Cleistogamy in Griffithella hookeriana (Podostemaceae)

Abstract

JO Wirminghaus, CT Downs, CT Symes and MR Perrin 

325

Fruiting in two afromontane forests in KwaZulu-Natal, South Africa: the habitat type of the endangered Cape Parrot Poicephalus robustus

Abstract

C Weiglin 

333

Scanning electron microscopy of the leaf epicuticular waxes of the genus Gethyllis L. n(Amaryllidaceae) and prospects for a further subdivision

Abstract

J van Staden and M Pan 

344

Genetic diversity of blue-flowered Scilla species as determined by random amplified polymorphic DNA

Abstract

KA Reid, AK Jäger and J van Staden 

349

Pharmacological and phytochemical properties of Dombeya rotundifolia

Abstract

SHORT COMMUNICATIONS

AJ de Villiers, MW van Rooyen and GK Theron 

354

Seedling emergence and survival of three Namaqualand pioneer plant species grown

under saline soil conditions

Abstract

H Wang and J van Staden 

358

Establishment of in vitro cultures of tree peonies

Abstract

B Kowalski and J van Staden 

362

Micropropagation of Podocarpus henkelii and P. elongatus

Abstract

P Tetyana and J van Staden 

367

Micropropagation of Cussonia paniculata - a medicinal plant with horticultural potential

Abstract

B Orthen 

371

A survey of the polysaccharide reserves in geophytes native to the winter-rainfall region

of South Africa

Abstract

M Kalala, AK Cowan, P Molnár and G Tóth 

376

9'-Z-epoxycarotenoid cleavage enzyme activity from the Citrus cell-free system for

ABA biosynthesis

Abstract

DD Shushu 

378

In vitro regeneration of the Kalahari devil's claw, Harpagophytum procumbens,

and important medicinal plant

Abstract

BOOK REVIEW

Reviewed by P Voster

Orchids of southern Africa by HP Linder and H Kurzweil