Claim · model-written summary
The authors interpreted the anastomoses as simple and archaic, analogous to those of some ferns and cycads.
- Taxon
- Ginkgo biloba
Ginkgo bilobae0 - Outcome
- simple, archaic typee0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingDirectionValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“anastomoses found in Ginkgo biloba are of a simple, archaic type and are apparently analogous to the anastomoses in the leaves of certain ferns and in the leaflets of various cycads”
Title
ANASTOMOSES IN THE VENATION OF GINKGO BILOBA
Howard J. Arnott American Journal of Botany 1959. doi:10.1002/j.1537-2197.1959.tb07030.x
Other claims from this paper (8)
- Observation Vein unions occurred in surveyed Ginkgo leaves.
- Observation 9.9% of the leaves had at least one anastomosis.
- Observation Long shoot leaves had 13.4% anastomoses.
- Observation Short shoot leaves had 8.2% anastomoses.
- Observation Almost half of leaves with anastomoses had multiple unions.
- Observation The 105 leaves with vein unions contained 163 anastomoses.
- Observation The anastomoses fell into four venation types.
- Observation Other venation deviations included unconnected and marginally joined veins and veins ending short of the margin.