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Phylogenetic significance of leaf micromorphology and anatomy in the tribe Mentheae (Nepetoideae: Lamiaceae)
The anatomical leaf structure was consistent throughout the Mentheae tribe, and the vascular bundles in the midrib were modified into a mechanical tissue, which is an adaptation to xerophytic environments.
Systematic significance of fruit morphology and anatomy in tribes Persicarieae and Polygoneae (Polygonaceae)
Fruits of Polygonaceae have a basically similar construction of indehiscent nuts or achenes, but different fruit anatomical patterns have arisen several times in evolution and have a limited value at tribal level but are useful at generic level.
Nutlet morphology and anatomy of the genus Lycopus (Lamiaceae: Mentheae)
Nutlet morphology and pericarp structure of 16 species in the genus Lycopus were studied by light microscopy (LM) and scanning electron microscopy (SEM), and a detailed description of nutlet…
Micromorphology and Character Evolution of Nutlets in Tribe Mentheae (Nepetoideae, Lamiaceae)
Abstract Mentheae is an economically important tribe in Lamiaceae with many ornamentals and culinary herbs. Although its monophyly is well supported by molecular data, the subtribal delimitation…
Pollen Morphology of Parapteropyrum and Some Putatively Related Genera (Polygonaceae – Atraphaxideae)
- Suk-Pyo Hong
- Biology, Environmental Science
- 1 June 1995
From palynological data it seems probable that Atraphaxis evolved independently into a specialized group from the common ancestral stock of the tribe Atraphaxideae, and pollen morphology does not support a generic distinction for Parapteropyrum.
Systematic significance of tepal surface morphology in tribes Persicarieae and Polygoneae (Polygonaceae)
It is concluded that the studied tepal characters can be useful in improving the classification of tribes Persicarieae and Polygoneae, and give additional support at the infrageneric level.
Systematic significance of seed coat morphology inSilene L. s. str. (sileneae-caryophyllaceae) from Korea
Seeds of eight species ofSilene s. str. in Korea were examined with a dissecting stereomicroscope and a scanning electron microscope (SEM) to evaluate the systematic significance of seed coat…
Morphology of pollen and orbicules in the tribe Spiraeeae (Rosaceae) and its systematic implications
Orbicule distribution patterns indicate that the absence of orbicules is a synapomorphic condition of the more derived clade, comprising Pentactina + Petrophytum + Kelseya + Spiraea.
Parallel evolution of aperture numbers and arrangement in the genera koenigia, persicaria and aconogonon (polygonaceae)
Pollen of 30 species representing the genera Koenigia, Persicaria and Aconogonon was examined by light microscopy and scanning electron microscopy, showing interesting parallels in the three genera.
Phylogenetic evaluation of pollen and orbicule morphology in Rosaceae tribe Neillieae (subfamily Amygdaloideae)
Palynological results provide strong evidence for the merging of Neillia and Stephanandra, and pollen morphological data supported the recent phylogenetic hypothesis that P. insularis should be a member of Spiraea.