A comparative histological examination of the leaf epidermis of some solanum species (dedikált példány) [antikvár]

Acta Bioi. Szegőd, 19 38. 14 5-9.A COMPARATIVE HISTOLOGICAL EXAMINATION OF THE LEAF EPIDERMIS OF SOME SOLANUM SPECIESM. JUHASZBotanical Institute of the Attila József University, Szeged(Received September 1, 1968)In my previous paper (Juhász, 1966) the leaf epidermis of some specimens of Solarium species were investigated, all of them being exposed to different environmental influences. After having valued the tissue marks of the leaf epidermis, we concluded that the quantitative tissue features of leaf are considerably influenced by ecological factors. The length and width of stomata resp. their ratio, the size, index and relative number of stomata have changed the least.There arose the question whether the above-mentioned epidermal characteristics of different Solarium species grown in the same environment show differences considerable enough for separating, identifying the single species. Fifteen Solarium species were selected for being investigated. The taxonomical classification of the species examined, according to Bitter's system, is as follows (H e g i, 1927).Genus: Solanum L. I. Subgenus: Archaeosolanum B i 11.1.Solanum laciniatum Ait.2.S. aviculare Forst.3.S. aviculare Forst, var. albiflorum C h e e s e m.4.S. simile F. Muell.5.S. symonii H j. Eich.Eusolanum B i 11.M or ell a (Dun) Bitt.6.S. nigrum L.7.S. a latum M o e n c h8.S. luteum Mill.9.5. triflorum N u 11.10.S. boerhavii Thell. Dulcamara (Dun) Bitt.11.S. dulcamara L. Ly coper sicum (Dun. pro. gen.) W e 11 s t.II. Subgenus:a)sectio:b)sectio:c)sectio: