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Crataegus crus-galli (cockspur hawthorn) is a species of tree in the family Rosaceae. It has simple, broad leaves and white flowers. Flowers are visited by northern blow fly, Rhopalum, Chelostoma philadelphi (Robertson 1891), and Pyticara. It is a C3 photosynthetic plant.

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  • URI: https://www.wikidata.org/entity/Q286954
  • Definition: one of three metabolic pathways for carbon fixation in photosynthesis, along with C4 and CAM. This process converts carbon dioxide and ribulose bisphosphate (RuBP, a 5-carbon sugar) into 3-phosphoglycerate through the following reaction: CO2 + H2O + RuBP → (2) 3-phosphoglycerate This reaction occurs in all plants as the first step of the Calvin–Benson cycle.
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EOL has data for 73 attributes, including:

Known occurrences, collected specimens and observations of cockspur hawthorn