A Revision of Paleotropical Plukenetia (Euphorbiaceae) Including Two New Species from Madagascar
Why this work is in the frame
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Bibliographic record
Abstract
Abstract A revision of the seven paleotropical species of Plukenetia (Euphorbiaceae) is given. Three sections or species groups are recognized. Two genera, Tetracarpidium (synonym Angostylidium) and Pterococcus, are treated here as sections of Plukenetia. The monotypic P. sect. Angostylidium includes the African species P. conophora, while P. sect. Hedraiostylus (synonym P. sect. Pterococcus) comprises two African species (P. africana and P. procumbens) and one Asian species (P. corniculata). A third species group restricted to Madagascar is distinguished by an androecium of sessile anthers on an elongate receptacle, and comprises three species, two described here. Plukenetia decidua, from southeastern Madagascar, is close to P. madagascariensis and shares styles partly fused into a cylindrical column, but differs in its narrower ovate or triangular-ovate leaf blades, smaller eglandular bracts, racemes with flowers single per node, and fewer anthers on a shorter ellipsoid receptacle. Plukenetia ankaranensis from northern Madagasar is distinguished from the previous two species by its styles entirely fused into an enlarged obovate stylar column. A key to the seven paleotropical species is provided and their relationship to neotropical species is discussed.
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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 | 0.000 |
| 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) | 0.001 | 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 it