• Publications
  • Influence
The Seed: Structure
The seed functions as the reproductive unit of the Spermatophyta (seed plants), and links the successive generations. Other important seed functions concern dispersal and survival under cold, dry orExpand
  • 152
  • 7
DEVELOPMENT OF OVULE AND TESTA IN RUTACEAE I: RUTA, ZANTHOXYLUM, AND SKIMMIA
SUMMARY The ovule primordia of Ruta, Zanthoxylum, and Skimmia are trizonate. The initiation and further development of the ovule in the three genera is rather similar, but in Ruta and ZanthoxylumExpand
  • 24
  • 3
Development of ovule and testa of Linum usitatissimum L.
SUMMARY The ovule primordium of Linum usitatissimum is trizonate and both the outer and inner integument are of dermal derivation. The inner integument ultimately becomes about 14 cell layersExpand
  • 36
  • 2
Ovules and seeds of Trigoniaceae
SUMMARY Trigonia cipoensis has a trizonate ovule primordium. The mature ovule is anatropous, bitegmic and tenuinucellate. Both integuments are of dermal origin; the inner integument is stronglyExpand
  • 17
  • 2
DEVELOPMENT OF OVULE AND SEED‐COAT OF ERYTHROXYLUM COCA LAMK.
SUMMARY The inner and outer integuments of Erythroxylum coca are both of dermal derivation. The outer integument is initially 3 cells and later 3–5 cells thick. The inner integument is at first 3Expand
  • 23
  • 2
DEVELOPMENT OF OVULE AND SEED COAT IN CNEORUM TRICOCCON L. (CNEORACEAE)
SUMMARY The ovule primordium of Cneorum tricoccon is trizonate. The ovule is anatropous, bitegmic and crassinucellate with a massive parietal tissue. The inner and outer integuments are both ofExpand
  • 16
  • 2
DEVELOPMENT OF OVULE AND TESTA OF GERANIUM PRATENSE L. AND SOME OTHER REPRESENTATIVES OF THE GERANIACEAE
SUMMARY The ovules and seeds of the genera Geranium, Pelargonium, Erodium, Monsonia, and Sarcocaulon are very similar. The ovule primordium of Geranium is trizonate. The outer and innerExpand
  • 29
  • 2
Bottegoa Chiov. transferred to the Ptaeroxylaceae
Summary. A full description is given of the hitherto poorly known NE African monotypic genus Bottegoa, and a multidisciplinary approach is used to determine its taxonomic position. Clearly, BottegoaExpand
  • 8
  • 2
DEVELOPMENT OF OVULE AND TESTA IN RUTACEAE II*: THE UNITEGMIC AND PACHYCHALAZAL SEED OF GLYCOSMIS CF. ARBOREA (ROXB.) D.C.
SUMMARY The ovule of Glycosmis arborea is anatropous, crassinucellate and unitegmic. This constitutes the first record of unitegmy in Rutaceae. The ovule primordium is tri-zonate. Both subdermalExpand
  • 22
  • 2
...
1
2
3
4
...