Vol 6 No 3 (2000)
Cikkek

Floral biology of medicinal plants II. Lamiaceae species

Published June 6, 2000
É. Németh
Szent István University, Faculty of Horticultural Sciences, Department of Medicinal and Aromatic Plants H-1114 Budapest, Villányi str. 35-43.
G. Székely
Szent István University, Faculty of Horticultural Sciences, Department of Medicinal and Aromatic Plants H-1114 Budapest, Villányi str. 35-43.
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APA

Németh, É., & Székely, G. (2000). Floral biology of medicinal plants II. Lamiaceae species. International Journal of Horticultural Science, 6(3), 137-140. https://doi.org/10.31421/IJHS/6/3/124

Abstract

Several species in the Lamiaceae family are therapeutically significant medicinal plants. Such as sage (Salvia officinalis L.), rosemary (Rosmarinus officinalis L.), peppermint (Moldier piperita L.). marjoram (Majomna hortensis Winch), thyme (Thymus vulgaris L.), Origanum spp., hyssop (Hyssopus officinalis L.), Lavandula spp., basil (Ocimum basalicum L.), lemon-balm (Melissa officinalis L.) are regularly produced in Hungary. Nevertheless, data on their floral biology are not satisfactory. This review intends to gather information on the characteristic constitution of flowers and inflorescences, blooming dynamics, pollination mechanism and crossability of some of the most significant medicinal and spice species

Flowers are mainly hermaphrodite, however, also monoeceous ones are turning up: pistillate flowers marjoram, tyme, oregano. In flowering of a plant individual, a basipetal blooming sequence is described. These species have a floral structure fully adapted to pollination by insects, and the majority of them is an excellent honey-plant (lavandel, hyssop, sage, etc.).

Flowers exhibit characteristic proterandry, therefore autogamy is considered to be almost impossible, and geintonogamy as well as xenogamy to be the most characteristic ways of fertilization. However, in several cases self-fertilization proved to be also successful. Crossability among cultivars or species is depending on the genotype combination and usually produces less seed than the above forms of fertilization.

 

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