Table 1.
Summary statistics for the relative amounts of individual sugars in single-nectary nectar samples of the two Aquilegia species under field and glasshouse conditions
| Aquilegia p. cazorlensis | Aquilegia vulgaris | |||
|---|---|---|---|---|
| Sugar | Field | Glasshouse | Field | Glasshouse |
| Glucose (%) | ||||
| Mean ± s.d. | 2·4 ± 2·7 | 1 ± 0·5 | 3·6 ± 2·4 | 1·1 ± 0·5 |
| Range | 0–13·5 | 0·4–2·9 | 0–9·5 | 0·4–2·5 |
| Interquartile range | 0·7–3·1 | 0·6–1·3 | 1·9–5·4 | 0·7–1·3 |
| Fructose (%) | ||||
| Mean ± s.d. | 10·9 ± 15·4 | 0·6 ± 0·6 | 20·5 ± 19·3 | 1·1 ± 0·4 |
| Range | 0–60·6 | 0–2·3 | 0–78·5 | 0·3–3 |
| Interquartile range | 1·3–10·9 | 0·2–0·7 | 6·6–27·1 | 0·6–1·4 |
| Sucrose (%) | ||||
| Mean ± s.d. | 86·6 ± 17·1 | 98·4 ± 0·86 | 75·9 ± 21·2 | 97·9 ± 0·9 |
| Range | 35·3–100 | 94·9–99·6 | 11·9–100 | 94·5–99·3 |
| Interquartile range | 84·1–97·9 | 98·1–98·9 | 69·4–91·7 | 97·4–98 |
Aquilegia p. cazorlensis: field, n = 48 nectaries from 24 flowers and 8 plants; glasshouse, n = 48 nectaries from 16 flowers and 8 plants. A. vulgaris: field, n = 46 nectaries from 24 flowers and 8 plants; glasshouse n = 39 nectaries from 13 flowers and 1 plant.