Minireview

CH Bornman 

119

Somatic seed in conifer biotechnology – a viable alternative to natural seed?

Abstract

Research Papers

SJ Siebert, AE van Wyk and GJ Bredenkamp 

127

The physical environment and major vegetation types of Sekhukhuneland, South Africa

Abstract

EMA Steyn, AE van Wyk and GF Smith 

143

Ovule, seed and seedling characters in Acharia (Achariaceae) with evidence of myrmecochory in the family

Abstract

JLS Taylor and J van Staden 

157

The effect of cold storage during winter on the levels of COX-1 inhibitory activity of Eucomis autumnalis autumnalis extracts

Abstract

JC Pretorius, K Kemp and JGC Small 

163

Glycolytic and pentose phosphate pathway activity of Erythrina caffra seeds during anaerobic germination

Abstract

J Manning and P Goldblatt 

171

The pollination of Tritoniopsis parviflora (Iridaceae) by the oil-collecting bee Rediviva gigas (Hymenoptera: Melittidae): the first record of oil-secretion in African Iridaceae

Abstract

L-D Huang and J van Staden 

177

Salvia chamelaeagnea can be micropropagated and its callus induced to produce rosmarinic acid

Abstract

H de Wet, PM Tilney and B-E van Wyk 

181

Vegetative morphology and anatomy of Cissampelos in South Africa

Abstract

SO Bandeira 

191

Diversity and distribution of seagrasses around Inhaca Island, southern Mozambique

Abstract

O de Clerck, MJ Wynne and H Stegenga 

199

Valeriemaya seagriefii sp. nov. (Delesseriaceae, Rhodophyta) from South Africa

Abstract

S Berrocal-Ibarra, J Ortiz-Cereceres and CB Peña-Valdivia 

205

Yield components, harvest index and leaf area efficiency of a sample of a wild population and a domesticated variant of the common bean Phaseolus vulgaris

Abstract

J Manning and D Snijman 

212

Hawkmoth-pollination in Crinum variabile (Amaryllidaceae) and the biogeography of sphingophily in southern African Amaryllidaceae

Abstract

Short Communications

AR Wood 

217

A new species of rust fungus, Uromyces strumariae sp. nov. (Uredinales: Pucciniaceae), on Strumaria gemmata (Amaryllidaceae) from the Western Cape, South Africa

Abstract

OM Grace, ME Light, KL Lindsey, DA Mulholland, J van Staden and AK Jäger 

220

Antibacterial activity and isolation of active compounds from fruit of the traditional African medicinal tree Kigelia africana

Abstract

SA McCartan and J van Staden 

223

Micropropagation of Scilla kraussii and Scilla dracomontana

Abstract

RJ Newton, WJ Bond and JM Farrant 

226

Seed development, morphology and quality testing in selected species of the nut-fruited Restionaceae

Abstract

PG Mahlberg and L Ake Assi 

231

A new shape of plastid starch grains from laticifers of Anthostema (Euphorbiaceae)

Abstract

SG Sparg, NB Jones and J van Staden 

234

Artificial seed from Pinus patula somatic embryos

Abstract

Book and CD-Rom reviews

Reviewed by P Vorster 

239

Pachypodium (Apocynaceae). Taxonomy, habitats and cultivation edited by SHJV Rapanarivo, JJ Lavranos, AJM Leeuwenberg and W Röösli

Abstract

Reviewed by TJ Edwards 

241

Flora of Australia Vol 11A and B: Mimosaceae, Acacia edited by AE Orchard and AJG Wilson

Abstract

Conference Abstracts 

242

Abstracts of papers and posters presented at the 28th Annual Congress of the South African Association of Botanists, Rhodes University, Grahamstown, South Africa, 13—16 January 2002