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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) |