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Stats on Seeds in Flowerheads


Plant species Mean Flowers per Flowerhead Mean fruits per Flowerhead % Fruit Set % Flower-
heads setting fruit

Source

Aulax cancellata 15 13.0 87.0 100 Collins & Rebelo (1987)
A. umbellata 12 12.0 100 100 Collins & Rebelo (1987)
X 13.5 12.5 93.5 100  
s.d 2.1 0.7 9.2    
           
Leucospermum bolusii 38 0.5 1.2 55 Collins & Rebelo (1987)
L. conocarpedendron 104 4.9 4.7 - Horn (1962)
  87 12.8 6.8 99 Collins & Rebelo (1987)
L. cordifolium 157 3.8 2.4 - Horn (1962)
  148 3.2 2.2 - Horn (1962)
  162 8.2 4.9 - Lamont(1985b)
  136 9.8 7.2 - Lamont(1985b)
  151 18.5 12.3 - Lamont(1985b)
  154 3.7 2.4 62 Collins & Rebelo (1987)
  190 6.3 3.3 - Brits(unpubl.data)
L. cuneiforme 109 1.3 1.2 - Horn(1962b)
  75 10.5 12.6 - Lamont(1985b)
  67 11.5 17.0 - Lamont(1985b)
  94 9.7 10.3 - Lamont(1985b)
  69 3.4 4.9 75 Collins & Rebelo (1987)
L. erubescens 51 3.2 6.4 - Lamont(1985b)
  60 4.2 7.1 - Lamont(1985b)
  68 1.4 2.1 - Collins & Rebelo (1987)
L. glabrum 66 5.9 9.0 71 Collins & Rebelo (1987)
L. oleifolium 99 0.7 6.8 67 Collins & Rebelo (1987)
L.reflexum 161 3.7 2.3 -  
  119 2.2 1.9 66 Collins & Rebelo (1987)
L. prostatum 76 1.0 1.3 - Collins & Rebelo (1987)
L. vestitum 111 2.6 2.3 79 Collins & Rebelo (1987)
X 102.7 5.5 5.6    
s.d 39.2 4.7 4.3    
           
Protea acuminata 115 13.7 11.9 100 Adamson(unpubl.data)
  112 4.6 4.1 50 Collins & Rebelo (1987)
P. aplexicaulis 121 6.5 5.3 100 Adamson(unpubl.data)
  161 7.9 4.9 40 Collins & Rebelo (1987)
  157 11.5 7.3 - Weins et al. 1983
P. aristata 397 16.3 4.1 90 Collins & Rebelo (1987)
P. aurea aurea 63 9.8 15.6 100 Adamson(unpubl.data)
  73 19.1 26.2 100 Collins & Rebelo (1987)
P. aurea pothergensis 75 4.2 5.6 70 Collins & Rebelo (1987)
P. burchellii 100 13.4 13.4 100 Adamson(unpubl.data)
  149 14.5 9.7 -  
  142 6.6 4.6 71 Collins & Rebelo (1987)
P. canaliculata 164 16.9 10.3 100 Adamson(unpubl.data)
P. compacta 88 7.3 10.7 91 Adamson(unpubl.data)
  90 15.1 16.87 - Horn (1962)
P. coronata 309 7.4 2.4 90 Collins & Rebelo (1987)
P. cryophila 1024 154.0 15.0 - Wiens et al. (1983)
P. cynaroides 170 36.8 21.7 - Adamson(unpubl.data)
  379 13.5 3.6 100 Collins & Rebelo (1987)
P. effusa 157 17.4 10.8 - Wiens et al. (1983)
P. eximia 116 29.3 25.3 - Adamson(unpubl.data)
P. grandiceps 646 25.3 5.5 80 Collins & Rebelo (1987)
P. humiflora 299 32.3 10.8 100 Adamson(unpubl.data)
  303 17.3 6.0 - Wiens et al. (1983)
P. incompta 289 10.1 3.5 - Horn (1962)
P. lacticolor 94 4.9 5.2 - Horn (1962)
  172 20.7 12.0 90 Collins & Rebelo (1987)
P. lanceolata 73 7.8 10.7 91 Adamson(unpubl.data)
  65 9.6 14.2 80 Collins & Rebelo (1987)
P.latifolia 144 34.8 24.1 - Horn (1962)
P. laurifolia 201 6.5 3.3 100 Adamson(unpubl.data)
  283 19.4 7.0 - Wiens et al. (1983)
P. lepidocarpedendron 138 1.6 1.2 80 Collins & Rebelo (1987)
P. longiflora 170 10.9 6.4 - Horn (1962)
  178 15.8 8.9 80 Collins & Rebelo (1987)
P. longifolia var. minor 249 4.3 1.2 - Horn (1962)
P. magnifica 430 9.5 3.9 - Horn (1962)
  374 5.0 1.3 - Weins et al. (1983)
P. mundii 150 8.4 5.6 100 Adamson(unpubl.data)
  96 3.3 1.2 - Horn (1962)
  158 11.0 7.0 80 Collins & Rebelo (1987)
P. nana 94 5.8 6.89 90 Collins & Rebelo (1987)
P. nerifolia 323 4.9 1.5 100 Adamson(unpubl.data)
  27 17.4 6.4 100 Collins & Rebelo (1987)
P. nitida 182 2.6 1.4 - Adamson(unpubl.data)
  273 5.5 2.6 - Collins & Rebelo (1987)
  244 9.5 3.9 - Weins et al. (1983)
P. obtusifolia 206 12.8 6.2 92 Adamson(unpubl.data)
  235 2.5 1.1 4 Collins & Rebelo (1987)
P. odorata 45 2.6 5.7 56 Collins & Rebelo (1987)
P. pendula 157 17.4 11.1 - Weins et al. (1983)
P. punctata 151 28.3 18.7 100 Collins & Rebelo (1987)
  138 12.3 9.0 - Weins et al. (1983)
P. recondita 258 75.9 29.3 - Weins et al. (1983)
P. repens 111 26.1 23.6 - Coetzee & Giliomee (1985)
  102 30.6 30.0 100 Collins & Rebelo (1987)
P. scabra 62 4.6 7.4 86 Adamson(unpubl.data)
P. scolependrifolia 192 16.9 9.0 - Weins et al. (1983)
P. scolymocephala 99 13.3 13.4 100 Adamson(unpubl.data)
  80 3.4 4.3 - Horn (1962)
  113 1.9 1.7 50 Collins & Rebelo (1987)
P. speciosa 326 20.4 6.3 80 Collins & Rebelo (1987)
P. subulifolia 105 15.5 14.3 - Weins et al. (1983)
P. suphurea 50 15.3 3.0 - Weins et al. (1983)
P. susannae 162 10.0 6.2 - Horn (1962)
  150 21.5 14.3 100 Collins & Rebelo (1987)
X 198.1 16.1 9.2    
s.d 147.4 20.7 7.2    
           
Serruria florida - 13.1 - - Horn (1962)

Back Growing Proteas from Seeds

Back Seedsizes and Growing Proteas