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Nectar characteristics of species with the Lapeirousia silenoides-type flower. Fru = fructose, Glu = glucose, Suc = sucrose. Sample size for nectar volume figures are indicated in parentheses in volume column; sample size for nectar sugar components is in last column after sucrose:fructose + glucose ratio.
| Family/species | Volume µl (n) | Mean % sugar | Fru | Glu | Suc | Mean Suc/ Glu + Fru (n) |
|---|---|---|---|---|---|---|
| Geraniaceae | ||||||
| Pelargonium | ||||||
| cortusifolium | 2.6-3.1 (2) | 24 | - | - | - | - |
| incrassatum | 1.5-2.2 (1) | 38 | 0 | 75 | 25 | 0.33 (1) |
| magenteum | 0.6-1.8 (5) | 29 | 38 | 40 | 22 | 0.28 (1) |
| sericifolium | | |||||
| Iridaceae | ||||||
| Babiana | ||||||
| curviscapa | 2.0-4.4 (5) | 25 | 12 | 19 | 69 | 2.23 (1) |
| dregei | 3.9-9.6 (5) | 22 | 13-15 | 19-21 | 64-68 | 1.94 (2) |
| ecklonii | 4.3-8.9 (5) | 27.7 | 5-11 | 10-18 | 72-85 | 3.29 (3) |
| flabellifolia | 3.9-9.6 (5) | 27 | 7 | 14 | 79 | 3.76 (1) |
| framesii | 2.6-6.4 (5) | 26 | 7-9 | 12-14 | 77-81 | 3.84 (3) |
| geniculata | 3.2-4.8 (5) | 29 | 17 | 21 | 62 | 1.63 (1) |
| pubescens | 3.2-4.8 (5) | 28 | 3-8 | 9-14 | 78-88 | 2.18 (2) |
| sambucina | ||||||
| var. longibracteata | 3.9-6.6 (3) | 30 | 6-12 | 10-19 | 69-84 | 3.48 (3) |
| Hesperantha | ||||||
| latifolia | 0.7-1.1 (10) | 24 | 23-29 | 24-30 | 41-53 | 0.94 (3) |
| oligantha | 1.1-1.8 (5) | 26.4 | 19-23 | 24-25 | 52-57 | 1.20 (2) |
| Lapeirousia | ||||||
| dolomitica | ||||||
| subsp. dolomitica | 1.4-5.5 (5) | 29 | 4-9 | 12-14 | 77-84 | 4.13 (2) |
| subsp. lewisiana | 5.1-5.5 (4) | 27 | 5-12 | 14-25 | 63-81 | 2.94 (5) |
| jacquinii | 1.5-2.3 (6) | 26 | 8 | 17 | 75 | 3.00 (1) |
| oreogena | 2.5-7.3 (10) | 26 | 13 | 21.5 | 65.5 | 1.90 (4) |
| pyramidalis | ||||||
| subsp. regalis | 2.6-4.8 (10) | 28 | 4-21 | 12-31 | 48-84 | 2.45 (6) |
| silenoides | 1.7-3.6 (16) | 27 | 5-8 | 18-27 | 65-77 | 2.45 (3) |
| violacea | 1.4-1.8 (10) | 27 | 9-13 | 15-16 | 71-76 | 2.77 (2) |
| Romulea | ||||||
| hantamensis | 3.7-5.2 (3) | 20 | 23 | 27 | 50 | 1.00 (1) |
| Sparaxis | ||||||
| variegata subsp. | ||||||
| metelerkampiae | 1.7-2.2 (6) | 28.5 | 1-12 | 4-22 | 70-95 | 3.23 (4) |
| Tritonia | ||||||
| marlothii | 1.8-3.5 (5) | 29 | 13-14 | 17-18 | 68-70 | 2.23 (2) |