Claim · model-written summary
Trapa and Lythrum have mesophyll compound crystals of similar shape, differing from rhaphide crystals of Oenotheraceae.
TrapaNot reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentSettingDirectionValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Trapa and Lythrum have in the mesophyll compound crystals of similar shape which differ from rhaphide crystals of Oenotheraceae”
Title
Evolution of Trapa from Ancestral Lythrum through Hemitrapa
Shigeru MIKI Proceedings of the Japan Academy 1959. doi:10.2183/pjab1945.35.289
Other claims from this paper (6)
- Observation The protuberances between the horns of Trapa correspond to the intersepalial appendages of Lythrum.
- Observation Hemitrapa is similar to Trapa in having four long modified sepals with recurved barbs.
- Observation Trapa and Hemitrapa belong to the same family, Hydrocaryaceae.
- Observation Trapa and Hemitrapa are related to ancestral Lythrum by four sepals and four intersepalial appendages.
- Observation Trapa kiharae is the only living species of Stipitrapa.
- Observation Lythrum tetrasepalum remains have a closer relation to Trapa than the living species, by four sepals and distinct striations on the receptacle.