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Pollination Biology of Lapeirousia subgenus Lapeirousia (Iridaceae) in southern Africa; floral divergence and adaptation for long-tongued fly-pollination
Abstract | Materials and Methods | Results | Discussion | Literature
Table 3. Nectar sugars in subgenus Lapeirousia.
Nectar analyses for subgenus Lapeirousia were provided
by B.-E. van Wyk, Rand Afrikaans University, Johannesburg, South
Africa. Taxa of subgenus Lapeirousia are
grouped according to flower type and pollinator class as in Table
2.
Species | Sample size n | Range of sugars % | Sucrose |
| | Fru | Glu | Suc | (Fru + Glu) |
L. silenoides group |
L. dolomitica subsp.
dolomitica | 2 | 4-9 | 12-14 | 77-84 | 3.35-5.25 |
subsp. lewisiana | 4 | 5-8 | 14-19 | 74-81 | 2.85-4.26 |
| 1 | 12 | 25 | 63 | 1.7 |
L. jacquinii | 1 |
8 | 17 | 75 | 3.00 |
L. oreogena | 4 | 11-17 |
19-25 | 58-69 | 1.38-2.26 |
L. pyramidalis subsp.
regalis | 3 | 8-12 | 14-17 | 74-81 | 2.45-3.55 |
| 3 | 4-21 | 12-36 | 48-84 | 0.92-5.25 |
L. silenoides | 3 | 5-8 |
18-27 | 65-77 | 1.86-3.35 |
L. violacea | 1 | 9-13 |
15-16 | 71-76 | 2.45-3.17 |
L. divaricata group |
L. barklyi | 1 | 36 |
40 | 24 | 0.32 |
L. divaricata | 1 |
18 | 28 | 54 | 1.17 |
L. exilis | 2 | 11-16 |
19-25 | 59-70 | 1.44-2.33 |
L. montana | 3 | 6-24 |
16-30 | 46-88 | 0.85-4.00 |
L. plicata | 2 | 15-16 |
21-31 | 54-63 | 1.17-1.70 |
L. pyramidalis subsp.
pyramidalis | 4 | 5-11 | 12-22 | 71-73 | 2.45-4.88 |
L. spinosa | 1 | 13 |
20 | 67 | 2.03 |
L. fabricii group |
L. anceps | 3 | 6-20 |
20-26 | 54-74 | 1.17-2.85 |
L. arenicola | 4 | 5-11 |
10-18 | 71-85 | 2.45-5.67 |
L. fabricii | 4 | 12-21 |
21-26 | 53-67 | 1.13-2.03 |
L. macrospatha | 1 |
34 | 43 | 23 | 0.29 |
L. simulans | 1 | 18 |
23 | 59 | 1.44 |
L. verecunda | 2 |
8 | 18 | 74 | 2.85 |
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