Curtis’s Botanical Magazine
1942
Stenochilus glaber Smooth-leaved stenochilus
1943
Amaryllis miniata Mountain lake-lily
1944
Orchis longicornis Long-spurred orchis
1945
Cluytia pulchella Broad-leaved cluytia
1946
Lantana nivea White-flowered lantana
1947
Banksia marginata (β) microstachya Green-flowered banksia
1948
Solandra viridiflora Green-flowered solandra
1949
Passerina hirsuta Shaggy sparrow-wort
1950
Ardisia crenata Dwarf ardisia
1951
Atragene sibirica Siberian atragene
1952
Magnolia grandiflora (γ) lanceolata Long-leaved magnolia
1953
Fumaria nobilis Great-flowered fumitory
1954
Rosa banksiae Lady Banks's rose
1955
Andromeda catesbaei Catesby's andromeda
1956
Pleea tenuifolia Grass-leaved pleea
1957
Daviesia mimosoides Mimosa-leaved daviesia
1958
Gnaphalium leontopodium Lion's-foot cudweed
1959
Stachys arenaria Purple-flowered stachys
1960
Metrosideros hispida Rough metrosideros
1961
Euphorbia punicea Scarlet-flowered spurge
1962
Celsia arcturus Scollop-leaved celsia
1963
Sempervivum glutinosum Clammy house-leek
1964
Pachysandria procumbens Trailing pachysandra
1965
Lonicera caerulea Blue-berried honeysuckle
1966
Gaultheria procumbens Trailing gaultheria
1967
Pistacia lentiscus Common mastick-tree
1968
Canna iridiflora Nodding-flowered canna
1969
Zamia furfuracea Broad-leaved zamia
1970
Hebenstretia fruticosa Shrubby hebenstretia
1971
Melastoma hirta Large blue-fruited melastoma
1972
Chrysocoma comaurea Great shrubby goldy-locks
1973
Campanula lactiflora Milk-white bellflower
1974
Oenothera corymbosa Corymbose oenothera
1975
Aloe ferox Great hedge-hog aloe
1976
Verbena stricta Upright vervain
1977
Sedum ternatum Purslane-leaved stonecrop
1978
Sempervivum ciliatum Ciliated house-leek
1979
Othonna denticulata Tooth-leaved African ragwort
1980
Sempervivum smithii Hispid-stemmed house-leek
1981
Calendula tragus (β) White-flowered bending-stalked marigold
1982
Solanum seaforthianum Lord Seaforth's nightshade
1983
Passiflora angustifolia Narrow-leaved passion-flower
1984
Erica sulphurea Sulphur-coloured heath
1985
Gnaphalium apiculatum New Holland everlasting
1986
Pelargonium lobatum (α) sphondylifolium Cowparsnip-leaved cranesbill
1987
Gnaphalium foetidum Strong-scented everlasting
1988
Trollius americanus American globe-flower
1989
Passiflora edulis Purple-fruited passion-flower
1990
Cineraria parviflora Small-flowered cineraria
1991
Jasminum hirsutum Hairy-Indian jasmine
1992
Oxyanthus speciosus Tube-flowered oxyanthus
1993
Leucojum vernum (β) Carpathian spring snow-flake
1994
Anemone patens (β) ochroleuca Pale spreading-flowered pasque-flower
1995
Haemanthus multiflorus Sierra Leone bloodflower
1996
Rudbeckia fulgida Small hairy rudbeckia
1997
Silene supina Narrow-leaved procumbent catchfly
1998
Malva amoena Lively-flowered Cape mallow
1999
Scilla lusitanica Portugal squill
2000
Zingiber zerumbet Broad-leaved ginger
2001
Passiflora racemosa Princess Charlotte's passion-flower
2002
Vinca herbacea Herbaceous periwinkle
2003
Blandfordia nobilis Showy blandfordia
2004
Malaxis lilifolia Lily-leaved malaxis
2005
Hovea celsi Broad-leaved hovea
2006
Zamia pumila mas. Small-leaved zamia
2007
Anemone alpina (α) major Alpine anemone
2008
Brachysema latifolia Broad-leaved brachysema
2009
Pyrus coronaria Sweet-scented crab-tree
2010
Eupatorium salviaefolium Sage-leaved eupatorium
2011
Annona tripetala Broad-leaved custard-apple
2012
Lysimachia thyrsiflora Tufted loosestrife
2013
Teucrium hyrcanicum Betony-leaved germander
2014
Prunella grandiflora (α) latifolia Broad-leaved self-heal
2015
Passiflora holosericea Silky-leaved passion-flower
2016
Gnidia pinifolia Pine-leaved gnidia
2017
Dorstenia houstoni Houstoun's dorstenia
2018
Ruta macrophylla Broad-leaved rue
2019
Campanula sarmatica Grey-leaved bellflower
2020
Helianthus diffusus Missouri sunflower
2021
Androsace septentrionalis Tooth-leaved androsace
2022
Androsace coronopifolia Buckthorn-leaved androsace