Research interests:

Plant anatomy and its application.

In taxonomy, especially relating to the families Apiaceae and Rubiaceae.

To gain a better understanding of the structural-functional relationships of hitherto poorly understood structures characteristic of the Rubiaceae.

Extrafloral nectaries

Domatia

Publications

Magee AR, Nicolas AN, Tilney PM, Plunkett GM. 2015. Phylogenetic relationships and generic realignments within the early diverging subtribe Pentziinae (Asteraceae, Anthemideae). Botanical Journal of the Linnean Society 178: 633-647. DOI: 10.1111/boj.12295

Magee AR, De Villiers BJ, Van Wyk B-E, Tilney PM. 2015. A revision of the South African genus Hermas (Apiaceae). Systematic Botany 40(1): 352-365.

Terentieva EI, Valiejo-Roman CM, Samigullin TH, Pimenov MG, Tilney PM. 2015. Molecular phylogenetic and morphological analyses of the traditional tribe Coriandreae (Umbelliferae-Apioideae). Phytotaxa 195(4): 251-271.

Kotina EL, Stepanova AV, Oskolski AA, Tilney PM, Van Wyk B-E. 2015. Crystal types and their distribution in the bark of African genistoid legumes (Fabaceae tribes Sophoreae, Podalyrieae, Crotalarieae and Genisteae) Botanical Journal of the Linnean Society 178: 620-632.

Kotina EL, Van Wyk B-E, TilneyPM. 2014. Anatomy of the leaf and bark of Warburgia salutaris (Canellaceae), an important medicinal plant from South Africa. South African Journal of Botany 94: 177-181.

Tilney PM, Van Wyk AE, Van der Merwe CF. 2014. The epidermal cell structure of the secondary pollen presenter in Vangueria infausta (Rubiaceae: Vanguerieae) suggests a possible functional association with protruding onci in pollen grains.

http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0096405

Oskolski AA, Stepanova AV, Boatwright JS, Tilney PM, Van Wyk B-E. 2014. A survey of wood anatomical characters in the tribe Crotalarieae (Fabaceae). South African Journal of Botany 94: 155-165.

Kljuykov EV, Zakharova EA, Petrova SE, Tilney PM. On the unusual structure of the monocotyledonous embryo and seedling of Acronema commutatum H.Wolff (Apiaceae) and related species. 2014. Plant Diversity and Evolution 131 (1-2):1-10.

Zakharova EA, Degtjareva GV, Kljuykov EV, Tilney PM. The taxonomic affinity of Carumpiovanii Chiov. and some Bunium species (Apiaceae). South African Journal of Botany 94: 122-128.

Van Wyk B-E, Tilney PM, Magee AR. 2013. African Apiaceae A synopsis of the Apiaceae / Umbelliferae of sub-Saharan Africa and Madagascar. Briza Publications, Pretoria. 317 pp. ISBN 978-1-920146-05-4.

Magee AR, Manning JC, Van Wyk B-E, Tilney PM. 2012. Apiaceae. Pp 316-331 In: Goldblatt P and Manning JC (eds) Greater Cape Plants 1: Core Cape Region. Strelitzia 29. South African National Biodiversity Institute, Pretoria.

Magee AR, Ruiters AK, Tilney PM, Van Wyk B-E. 2013. Proposal to conserve the name Phymaspermum (Asteraceae) with a conserved type. Taxon 62(2): 407-408.

Kotina EL, Oskolski AA, Stepanova AV, Tilney PM, Van Wyk B-E. 2013. Notes on the taxonomic and ecological significance of bark structure in the genus Virgilia (Fabaceae, Podalyrieae). South African Journal of Botany (Special Edition on Legumes) 89: 240-243.

Stepanova AV, Kotina EL, Tilney PM, Van Wyk B-E. 2013. Wood and bark anatomy of Hypocalyptus support its isolated taxonomic position in Leguminosae. South African Journal of Botany (Special Edition on Legumes) 89: 234-239.

Stepanova AV, Oskolski AA, Tilney PM, Van Wyk B-E. 2013. Wood anatomy of the tribe Podalyrieae (Fabaceae, Papilionoideae): Diversity and evolutionary trends. South African Journal of Botany (Special Edition on Legumes) 89: 244-256.

Tilney PM, Van Wyk AE, Van der Merwe CF. 2012. Structural evidence in Plectroniella armata (Rubiaceae) for possible material exchange between domatia and mites. PLoS ONE http://dx.plos.org/10.1371/journal.pone.0039984.

Magee AR, Tilney PM. 2012. A taxonomic revision of Pentzia (Asteraceae, Anthemideae) I: the P. incana group in southern Africa, including the description of the new species P. oppositifolia. South African Journal of Botany 79: 148-158.

Liu M, Plunkett GM, Van Wyk B-E, Tilney PM, Lowry II.PP. 2012. The phylogenetic significance of the carpophore in Apiaceae. Annals of Botany 110(8): 1531-1543.

Kotina EL, Van Wyk B-E, Tilney PM, Oskolski AA. 2012. The taxonomic significance of bark structure in southern African genera of the tribe Heteromorpheae (Apiaceae). Botanical Journal of the Linnean Society 169: 677-691.

Liu M, Van Wyk B-E, Tilney PM. 2012. Unusual carpological characters in Marlothiella gummifera (Apiaceae). South African Journal of Botany 83: 19-22.

Valiejo-Roman CM, Terentieva EI, Pimenov MG, Kljuykov EV,Samigullin TH, Tilney PM. 2012 Broad polyphyly in Pleurospermums. l. (Umbelliferae-Apioideae) as inferred from nrDNA ITS and chloroplast sequences. Systematic Botany 37(2): 573-581.

De Villiers BJ, Oskolski AA, Tilney PM, Van Wyk B-E. 2012. Wood anatomy of Cussonia Thunb. and Seemannaralia R.Vig. (Araliaceae) with systematic and ecological implications. IAWA Bulletin 33 (2): 163-186.

Kotina EL, Stepanova AV, Tilney PM, Van Wyk B-E. 2012. The pharmacognostic value of leaf and stem anatomy in rooibos tea (Aspalathus linearis). South African Journal of Botany 82: 129-133.

Stepanova AV, Kotina EL, Tilney PM, Van Wyk B-E. 2012. Leaf and stem anatomy of honeybush tea (Cyclopia species, Fabaceae). South African Journal of Botany 82: 123-128.

Magee AR, Van Wyk B-E, Tilney PM, Vessio N. 2011. A taxonomic revision of the Annesorhiza triternata group (Apiaceae, Apioideae): the transfer of Peucedanum triternatum and P. filicaule and five new species. Systematic Botany 36(2): 508-519.

Van Wyk B-E, Tilney PM. 2011. Annesorhiza asparagoides (Apiaceae), a new species from the Cederberg Mountains, Western Cape Province, South Africa. South African Journal of Botany 71(1): 244-248.

Hulley IM, Viljoen AM, Tilney PM, Van Vuuren SF,Kamatou GPP, Van Wyk B-E. 2011. Pteronia divaricata (Asteraceae): A newly recorded Cape herbal medicine. South African Journal of Botany 77(1): 66-74.

Le Roux M, Van Wyk B-E, Boatwright JS, Tilney PM. 2011. The systematic significance of morphological and anatomical variation in fruits of Crotalaria and related genera of tribe Crotalarieae (Fabaceae). Botanical Journal of the Linnean Society 165(1): 84-106.

Boatwright JS, Tilney PM, Van Wyk B-E. 2010. B-E. Taxonomy of Wiborgiella (Crotalarieae, Fabaceae), a genus endemic to the Greater Cape Region of South Africa. Systematic Botany 35(2): 325-340.

De Villiers BJ, Tilney PM, Van Wyk B-E. 2010. The taxonomic significance of leaf anatomical characters in the genus Cussonia Thunb. and related genera (Araliaceae). Botanical Journal of the Linnean Society 164(3): 246-263.

Hulley IM, Viljoen AM, Tilney PM, Van Vuuren SF, Kamatou GPP, Van Wyk B-E. 2010.Ethnobotany, leaf anatomy, essential oil composition and antibacterial activity of Pteronia onobromoides (Asteraceae). South African Journal of Botany 76(1): 43-48.

Hulley IM, Viljoen AM, Tilney PM, Van Vuuren SF, Kamatou GPP, Van Wyk B-E. 2010. The ethnobotany, leaf anatomy, essential oil variation and biological activity of Pteronia incana (Asteraceae). South African Journal of Botany 76: 668-675.

Long HS, Tilney PM, Van Wyk B-E. 2010. The ethnobotany and pharmacognosy of Olea europaea subsp. africana (Oleaceae). South African Journal of Botany 76(2): 324-331.

Magee AR, Van Wyk B-E, Tilney PM, Downie SR. 2010. Systematics of African and Malagasy Pimpinella and related genera (Apiaceae, Pimpinelleae). Plant Systematics and Evolution 288: 201-211.

Magee AR, Van Wyk B-E, Tilney PM, S.R. Downie. 2010. A taxonomic revision of the South African endemic genus Dasispermum (Apiaceae, Apioideae). South African Journal of Botany 76(2): 308-323.

Magee AR, Calvino CI, Liu M, Downie SR, Tilney PM, Van Wyk B-E. 2010. New tribal delimitations for the early diverging lineages of Apiaceae subfamily Apioideae. Taxon 59: 567-580.

Van Wyk B-E, Tilney PM, Magee AR. 2010. A revision of the genus Glia (Apiaceae). South African Journal of Botany 76(2): 259-271.

Van Wyk B-E, Burke A, Mannheimer C, Magee AR, Tilney PM, Rossouw A. 2010. A new species of Polemanniopsis (Apiaceae). South African Journal of Botany 76(1): 153-157.

Yembaturova EY, Van Wyk B-E, Tilney PM, Winter PJD. 2010. The taxonomic significance of fruit morphology and anatomy in the genus Alepidea Delaroche (Apiaceae, subfamily Saniculoideae). Plant Diversity and Evolution 128(3-4): 369-385.

Tilney PM, Van Wyk AE. 2009. Taxonomy of the genus Keetia (Rubiaceaesubfam. Ixoroideae, tribe Vanguerieae) in southern Africa, with notes on bacterial symbiosis as well as the structure of colleters and the 'stylar head' complex. Bothalia 39(2) 165-175.

Magee AR, Van Wyk B-E, Tilney PM, Sales F, Hedge I, Downie SR. 2009. Billburttia, a new genus of Apiaceae (tribe Apieae) endemic to Madagascar. Plant Systematics and Evolution 283: 237-245.

Magee AR, Van Wyk B-E, Tilney PM, Downie SR. 2009. Generic delimitations and relationships of the Cape genera Capnophyllum, Dasispermum and Sonderina, the North African genera Krubera and Stoibrax, and a new monotypic genus of the subfamily Apioideae (Apiaceae). Systematic Botany 34(3): 580-594.

Liu M, Van Wyk B-E,Tilney PM, Plunkett GM, Lowry II PP. 2009. Evidence from fruit structure supports in general the circumscription of Apiaceae subfamily Azorelloideae. Plant Systematics & Evolution 280(1,2): 1-13.

Magee AR, Van Wyk, B-E, Tilney PM. 2009. A taxonomic revision of the woody South African genus Notobubon (Apiaceae: Apioideae). Systematic Botany 34(1): 220-242.

BoatwrightJS, Tilney PM, Van Wyk B-E. 2009. The generic concept of Lebeckia (Crotalarieae, Fabaceae): reinstatement of the genus Calobota and the new genus Wiborgiella. South African Journal of Botany 75: 546-556.

Yembaturova Yu. E, Van Wyk B-E, Tilney PM 2009. A review of the genus Curtisia (Curtisiaceae). Bothalia 39(1): 87-96.

Magee AR, Van Wyk B-E, Tilney PM, Downie SR. 2009. A taxonomic revision of Capnophyllum (Apiaceae: Apioideae). South African Journal of Botany 75(2): 283-291.

Tilney PM, Van Wyk B-E, Downie SR, Calvino CI. 2009. Phylogenetic relationships in the genus Lichtensteinia (Apiaceae) based on morphological, anatomical and DNA sequence data. South African Journal of Botany 75(1): 64-82.

Magee AR, Van Wyk B-E, Tilney PM. 2008. A taxonomic revision of the genus Nanobubon (Apiaceae: Apioideae). South African Journal of Botany 74(4): 713-719.

Boatwright JS, Tilney PM, Van Wyk B-E. 2008. A taxonomic revision of the genus Rothia (Crotalarieae, Fabaceae) Australian Systematic Botany 21(6): 422-430.

Van Wyk B-E, De Castro A, Tilney PM, Magee AR. 2008. A new species of Alepidea (Apiaceae, subfam.Saniculoideae). South African Journal of Botany 74: 740-745.

Magee AR, Van Wyk B-E, Tilney PM. 2008. A taxonomic revision of the genus Cynorhiza (Apiaceae: Apioideae) South African Journal of Botany 74: 726-734.

Van Wyk B-E, Tilney PM. 2008. A new species of Lichtensteinia (Apiaceae). South African Journal of Botany 74: 757-760.

Magee AR, Van Wyk B-E, Tilney PM, Downie SR. 2008. Ezosciadium (Apiaceae): A taxonomic revision of yet another early diverging South African apioid genus. Plant Systematics and Evolution 276: 167-175.

Magee AR, Van Wyk B-E, Tilney PM, Van der Bank M. 2008. A taxonomic revision of the South African endemic genus Arctopus (Saniculoideae, Apiaceae). Annals of the Missouri Botanical Garden 95(3): 471-486.

Winter PJD, Magee AR, Phephu N, Tilney PM, Downie SR, Van Wyk, B-E. 2008. A new generic classification for African peucedanoid species (Apiaceae). Taxon 57(2): 347-364.

Magee AR, Van Wyk B-E, Tilney PM. 2008. The identity of the type of Bubon gummiferum (Peucedanum gummiferum) (Apiaceae). Taxon 57(2): 615-618.

Liu M, Van Wyk B-E, Tilney PM. 2007. A revision of the genus Choritaenia (Apiaceae).South African Journal of Botany 73: 184-189.

Kamatou GPP, Viljoen AM, Figueiredo AC, Tilney PM, Van Zyl RL, Barroso JG, Pedro LG, Van Vuuren SF. 2007. Trichomes, essential oil composition and biological activities of Salvia albicaulis Benth. and S. dolomitica Codd, two species from the Cape region of South Africa. South African Journal of Botany 73(1): 102-108.

Liu M, Van Wyk B-E, Tilney PM. 2007. Irregular vittae and druse crystals in Steganotaenia fruits support a taxonomic affinity with the subfamily Saniculoideae (Apiaceae). South African Journal of Botany 73: 252-255.

Liu M, Van Wyk B-E, Tilney PM. 2007. A revision of the genus Marlothiella (Apiaceae). South African Journal of Botany 73: 208-213.

Tilney PM, Van Wyk AE. 2006. Correct author citations for names of three southern African species of Canthium. Bothalia 36(1): 68-69.

Van Wyk B-E, Magee AR, Jarvis CE, Tilney PM. (1792). 2006. Proposal to conserve the name Arctopus echinatus with a conserved type (Apiaceae). Taxon 55(2): 541.

Liu M, Plunkett GM, Lowry PP, Van Wyk B-E, Tilney PM. 2006. The taxonomic value of fruit wing types in the order Apiales. American Journal of Botany 93(9): 1357-1368.

Kamatou GPP, Van Zyl RL, Van Vuuren SF, Viljoen AM, Figueiredo AC, Barroso JG, Pedro LG, Tilney PM. 2006. Chemical composition, leaf trichome types and biological activities of the essential oils of four related Salvia species indigenous to southern Africa. Journal of Essential Oil Research 18: 72-79.

Calvino CI, Tilney PM, Van Wyk B-E, Downie SR. 2006. A molecular phylogenetic study of southern African Apiaceae. American Journal of Botany 93(12): 1828-1847.

Liu M, Van Wyk B-E, Tilney PM. 2004. Ontogeny of the fruits of two anomalous African woody genera Polemanniopsis and Steganotaenia (Apiaceae) and their phylogenetic relationship. Edinburgh Journal of Botany 60(3): 249-257.

Tilney PM, Van Wyk AE. 2004. Extrafloral nectaries in Combretaceae: morphology, anatomy and taxonomic significance. Bothalia 34(2):115-126.

Van Wyk B-E, Tilney PM. 2004. Diversity of Apiaceae in Africa. South African Journal of Botany 70(3): 433-445.

Kljuykov EV, Liu M, Ostroumova TA, Pimenov MG, Tilney PM, Van Wyk B-E. 2004. Towards a standardised terminology for taxonomically important morphological characters in the Umbelliferae. South African Journal of Botany 70(3): 488-496.

Pimenov MG, Leonov MV, Van Wyk B-E, Tilney PM. 2004. Asia, the continent with the highest Umbelliferae diversity. South African Journal of Botany 70(3): 417-419.

Liu M, Van Wyk B-E, Tilney PM. 2003. The taxonomic value of fruit structure in the subfamily Saniculoideae and related African genera (Apiaceae). Taxon: 52: 261-270.

Liu M, ShiL,Van Wyk B-E, Tilney PM. 2003. Fruit anatomy of the genus Bupleurum (Apiaceae) in northeastern China and notes on systematic implications. South African Journal of Botany 69(2): 151-157.

Liu M., Van Wyk B-E, Tilney P.M. 2003. The taxonomic value of fruit structure in the Chinese endemic genus Dickinsia (Apiaceae). Nordic Journal of Botany 22(5): 603-607. (2003 issue but published in 2004)

Tilney PM. 2002. A contribution to the leaf and young stem anatomy of the Combretaceae. Botanical Journal of the Linnean Society 138: 163-196.

Moteetee A, Van Wyk B-E, Tilney PM. 2002. The taxonomic significance of trichome type and distribution in Melolobium (Fabaceae).Bothalia 32(1): 85-89.

De Wet H, Tilney PM, Van Wyk B-E. 2002. Vegetative morphology and anatomy of Cissampelos in South Africa. South African Journal of Botany 68: 181-190.

Tilney PM, Van Wyk B-E. 2001. A revision of Annesorhiza Cham. & Schlechtd.(Apiaceae). Nordic Journal of Botany 21(6): 615-649.

Van Wyk B-E, Tilney PM. 2001. The generic position of Annesorhiza filicaulis Eckl.&Zeyh.(Apiaceae). Edinburgh Journal of Botany 58(3): 383-387.

Van Wyk B-E, Tilney PM, Winter PJD. 1999. Four new genera of Apiaceae of Madagascar. Taxon 48(4): 737-745.

Tilney PM, Van Wyk AE. 1997. Pollen morphology of Canthium, Keetia and Psydrax (Rubiaceae - Vanguerieae) in southern Africa. Grana 36: 249-260.

Van Wyk B-E, Allison I, Tilney PM. 1997. Morphological variation and phylogenetic relationships in the genus Anginon (Apiaceae). Nordic Journal of Botany 17(5): 511-526.

Tilney PM, Van Wyk B-E. 1995. Unusual structural variation in the fruit of Dasispermum suffruticosum (Apiaceae): A new record of heteromorphic fruits in the family. South African Journal of Botany 61(5): 1-4.

Van Wyk B-E, Tilney PM. 1994. The taxonomic value of fruit wall structure in the genus Annesorhiza (Apiaceae). South African Journal of Botany 60(5): 240-244.

Winter PJD, Van Wyk B-E, Tilney PM. 1993.The morphology and development of the fruit of Heteromorpha (Apiaceae). South African Journal of Botany 59(3): 336-341.

Tilney PM, Van Wyk AE, Kok PDF. 1990. The taxonomic significance of anatomical characters of the leaf in the southern African species of Canthiums .l. (Rubiaceae). South African Journal of Botany 56(3): 363-382.

Tilney PM, Van Wyk AE, Kok PDF. 1988. The taxonomic significance of anatomical characters of the stem in the southern African species of Canthiums .l. (Rubiaceae). South African Journal of Botany 54(6): 585-595.

Tilney PM, Kok PDF. 1987. A new species of Canthium (Rubiaceae) from southern Natal and Pondoland. South African Journal of Botany 53(1): 98-102.

Tilney PM, Kok PDF, Van Wyk AE. 1987. Extension of the geographical range and notes on the diagnostic characters of Canthium suberosum (Rubiaceae - Vanguerieae). South African Journal of Botany 53(2): 180-183.

Tilney PM, Lubke RA. 1974. A chemotaxonomic study of twelve species of the family Loranthaceae. Journal of South African Botany 40(4): 315-332.

Book

Van Wyk B-E, Tilney PM, Magee AR. 2013. African Apiaceae A synopsis of the Apiaceae/Umbelliferae of sub-Saharan Africa and Madagascar. Briza Publications, Pretoria. 317pp.

Chapters in books

Magee AR, Manning JC, Van Wyk B-E, Tilney PM. 2012. Apiaceae. Pp 316-331 In: Goldblatt P and Manning JC (eds) Greater Cape Plants 1: Core Cape Region. Strelitzia 29. South African National Biodiversity Institute, Pretoria.

Van Wyk B-E, Tilney PM, Apiaceae, 123-132, In: G Germishuizen& NL Meyer, 2003, "Plants of southern Africa: an annotated checklist", Strelitzia 14, National Botanical Institute, Pretoria, 1-919795-99-5.

Plunkett GM, Pimenov MG, Reduron J-P, Kljuykov EV, Lee B-Y, Van Wyk B-E, Tilney PM, Watson MF, Ostroumova TA, Spalik K, Henwood MJ, Webb CJ, Pu F-D, Mitchell AD, Muckensturm B, Apiaceae. In: K Kubitzki, "The Families and Genera of Vascular Plants", Springer, Berlin.

Mentink H, Tilney PM, Gregory M, Myrtales. In: DF Cutler & M Gregory, "Anatomy of the Dicotyledons", Oxford Science Publications, Clarendon Press, Oxford.