South African Journal of Botany - 78, 2012

Contents:

Editorial Board

Publisher's note

Inclusion of the Cape genus Anisothrix in the Namibian-centred genus Pentatrichia (Asteraceae, Gnaphalieae) based on a molecular phylogenetic analysis
E.S. Klaassen, N.G. Bergh

Medicinal plants used for the treatment of sexually transmitted infections by lay people in northern Maputaland, KwaZulu–Natal Province, South Africa
H. De Wet, V.N. Nzama, S.F. Van Vuuren

Cytology and embryology of the pompom weed, Campuloclinium macrocephalum (Eupatorieae, Asteraceae)
G.E. Farco, M.M. Sosa, M. Dematteis, A. Fernández

Fruit nutritional composition and non-nutritive traits of indigenous South African tree species
A.-L. Wilson, C.T. Downs

Antibiofilm activity and post antifungal effect of lemongrass oil on clinical Candida dubliniensis isolate
S. Taweechaisupapong, P. Ngaonee, P. Patsuk, W. Pitiphat, W. Khunkitti

The isolation of high quality RNA from the fruit of avocado (Persea americana Mill.)
A.T. Djami-Tchatchou, C.J. Straker

A comparative study of desiccation responses of seeds of Asian Evergreen Oaks, Quercus subgenus Cyclobalanopsis and Quercus subgenus Quercus
K. Xia, M.I. Daws, F.R. Hay, W.-Y. Chen, Z.-K. Zhou, H.W. Pritchard

Knysna Turacos (Tauraco corythaix) do not improve seed germination of ingested fruit of some indigenous South African tree species
A.-L. Wilson, C.T. Downs

Nectar properties of the sunbird-pollinated plant Impatiens sakeriana: A comparison with six other co-flowering species
M. Bartoš, Š. Janeček, E. Padyšáková, E. Patáčová, J. Altman, M. Pešata, J. Kantorová, R. Tropek

Changes of xylem hydraulic efficiency and native embolism of Tamarix ramosissima Ledeb. seedlings under different drought stress conditions and after rewatering
M. Ayup, X. Hao, Y. Chen, W. Li, R. Su

Effect of smoke-derived butenolide priming treatment on pepper and salvia seeds in relation to transplant quality and catalase activity
I. Demir, I. Ozuaydin, F. Yasar, J. Van Staden

Enhancing seedling growth of Jatropha curcas—A potential oil seed crop for biodiesel
H.A. Abdelgadir, M.G. Kulkarni, M.P. Arruda, J. Van Staden

Physiomorphological response of rose-scented geranium (Pelargonium spp.) to irrigation frequency
B.K. Eiasu, J.M. Steyn, P. Soundy

Dracoscirpoides (Cyperaceae) — A new genus from Southern Africa, its taxonomy and floral ontogeny
A.M. Muasya, M. Reynders, P. Goetghebeur, D.A. Simpson, A. Vrijdaghs

Uptake and translocation of heavy metals by medicinal plants growing around a waste dump site in Pretoria, South Africa
J.O. Olowoyo, O.O. Okedeyi, N.M. Mkolo, G.N. Lion, S.T.R. Mdakane

Role of calcium in alleviating effect of salinity on germination of Phragmites karka seeds
A. Zehra, B. Gul, R. Ansari, M.A. Khan

Uncovering the cycad taxa (Encephalartos species) traded for traditional medicine in Johannesburg and Durban, South Africa
S.R. Cousins, V.L. Williams, E.T.F. Witkowski

Sodium nitroprusside, ferricyanide, nitrite and nitrate decrease the thermo-dormancy of lettuce seed germination in a nitric oxide-dependent manner in light
Z. Deng, S. Song

A revision of the Combretum vendae complex
N. Hahn

Unisexual flowers as a robust synapomorphy in Cariceae (Cyperaceae)? Evidence for bisexual flowers in Schoenoxiphium
B. Gehrke, A. Vrijdaghs, E. Smets, A.M. Muasya

The cost of being specialized: Pollinator limitation in the endangered geophyte Brunsvigia litoralis (Amaryllidaceae) in the Cape Floristic Region of South Africa
S. Geerts, A. Pauw

Traditional knowledge of medicinal plants in Gindeberet district, Western Ethiopia
S. Zerabruk, G. Yirga

Microculture effects on leaf epidermis and root structure in Sclerocarya birrea subsp. caffra
M. Moyo, J.F. Finnie, J. Van Staden

A revision of the genus Dolichos (Fabaceae, Papilionoideae, Phaseoleae), including Lesotho and Swaziland
A.N. Moteetee, B.-E. Van Wyk

Three-dimensional reciprocity: A new form of tristyly in South African Oxalis (Oxalidaceae) species and its implications for reproduction
S.S. Turketti, K.J. Esler, L.L. Dreyer

Influence of salinity and temperature on seed germination rate and the hydrotime model parameters for the halophyte, Chloris virgata, and the glycophyte, Digitaria sanguinalis
H. Zhang, L.J. Irving, Y. Tian, D. Zhou

Molecular cloning and expression characteristics of a novel MAPKKK gene, GhCTR1, from cotton (Gossypium hirsutum L.)
F. Yu, R. Guo, C. Wu, H. Li, X. Guo

Activity of South African medicinal plants against Listeria monocytogenes biofilms, and isolation of active compounds from Acacia karroo
M.A. Nyila, C.M. Leonard, A.A. Hussein, N. Lall

Antibacterial activity, cytotoxicity and chemical constituents of Hydnora johannis roots
S. Yagi, F. Chrétien, R.E. Duval, S. Fontanay, M. Maldini, S. Piacente, M. Henry, Y. Chapleur, D. Laurain-Mattar

Overexpression of Suaeda salsa stroma ascorbate peroxidase in Arabidopsis chloroplasts enhances salt tolerance of plants
K. Li, C.-H. Pang, F. Ding, N. Sui, Z.-T. Feng, B.-S. Wang

Seasonal variation in the cyclooxygenase inhibitory activities of four South African medicinal bulbs
B. Ncube, J.F. Finnie, J. Van Staden

In vitro evaluation of antimicrobial and antioxidant activities of some Tunisian vegetables
H. Edziri, S. Ammar, L. Souad, M.A. Mahjoub, M. Mastouri, M. Aouni, Z. Mighri, L. Verschaeve

A morphological re-evaluation of the taxonomic status of the genus Pellegriniodendron (Harms) J. Léonard (Leguminosae–Caesalpinioideae–Detarieae) and its inclusion in Gilbertiodendron J. Léonard
M. de la Estrella, J.A. Devesa, J.J. Wieringa

Pelargonium saxatile (Geraniaceae: Section Hoarea), a new species from the southwestern Cape, South Africa, and a key to the species of the P. dipetalum group
J.C. Manning, P. Goldblatt

Germination dimorphism in Suaeda acuminata: A new combination of dormancy types for heteromorphic seeds
H.-L. Wang, L. Wang, C.-Y. Tian, Z.-Y. Huang

Seed dispersal and seed banks in Aloe marlothii (Asphodelaceae)
C.T. Symes

Metalasia namaquana (Asteraceae–Gnaphalieae), a new species from the Kamiesberg (South Africa)
P.O. Karis, N.A. Helme

Optimisation of pollen viability tests for Acacia podalyriifolia and two ploidys of Acacia mearnsii
S.L. Beck-Pay

Improved tolerance toward low temperature in banana (Musa AAA Group Cavendish Williams)
J.Z. Zhang, Q. Zhang, Y.J. Chen, L.L. Sun, L.Y. Song, C.L. Peng

Overexpression of the acerola (Malpighia glabra) monodehydroascorbate reductase gene in transgenic tobacco plants results in increased ascorbate levels and enhanced tolerance to salt stress
H.A. Eltelib, Y. Fujikawa, M. Esaka

Genetic homogeneity of in vitro raised plants of grapevine cv. Crimson Seedless revealed by ISSR and microsatellite markers
A. Nookaraju, D.C. Agrawal

Transient gene expression assays in rose tissues using a Bio-Rad Helios® hand-held gene gun
B. Kuriakose, E.S. Du Toit, A. Jordaan

Searsia species with affinity to the N-methyl-d-aspartic acid (NMDA) receptor
A.K. Jäger, D.M. Knap, B. Nielsen, G.I. Stafford, J. Van Staden

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