Comparison of berry composition of selected<i>Vaccinium</i>species (Ericaceae) with<i>Gaylussacia dumosa</i><sup>1</sup>This article is part of a Special Issue entitled “A tribute to Sam Vander Kloet FLS: Pure and applied research from blueberries to heathland ecology”.
Bibliographic record
Abstract
The genus Vaccinium contains a wide array of plants distributed throughout the world including several commercial species as well as epiphytic shrubs and lianas in the tropics. Vaccinium dumosum Andrews was reclassified as Gaylussacia dumosa (Andrews) Torr. & A. Gray in 1843 owing to its single seeded 10-locular ovary. Since then, evidence suggests G. dumosa be returned to Vaccinium. In this study, fruit composition of G. dumosa was compared with that of Vaccinium corymbosum L., Vaccinium angustifolium Aiton, Vaccinium gaulteriifolium (Griff.) Hook. f., Vaccinium acrobracteatum K. Sch., and Vaccinium hirsutum Buckley. Ripe fruit from each species were collected and analyzed. In each of the species, primary sugars were glucose and fructose, and acids were quinic, malic, and citric. Total phenolic content correlated with antioxidant capacity. Anthocyanin profiles showed that fruit from each of the species studied contained no pelargonidin glucosides, which are common in fruit of other genera. A total of 27 volatile compounds, dominated by terpenes and several esters, were detected. These volatiles were all found in four of the species including G. dumosa. No volatile compounds were detected in G. dumosa that were not found in the Vaccinium species. Gaylussacia dumosa showed no chemical composition that was significantly different than that of the Vaccinium species surveyed, suggesting that G. dumosa is aligned with Vaccinium.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.002 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".