- nucellar embryo
- An embryo which has developed vegetatively from somatic tissue surrounding the embryo sac, rather than by fertilization of the egg cell.
Glossary of Biotechnology for Food and Agriculture . 2015.
Glossary of Biotechnology for Food and Agriculture . 2015.
nucellus — nucellar, adj. /nooh sel euhs, nyooh /, n., pl. nucelli / sel uy/. Bot. the central cellular mass of the body of the ovule, containing the embryo sac. [1880 85; < NL, equiv. to L nuc (s. of nux) nut + ella ELLE] * * * … Universalium
Asexual reproduction — in liverworts: a caducous phylloid germinating Asexual reproduction is a mode of reproduction by which offspring arise from a single parent, and inherit the genes of that parent only, it is reproduction which does not involve meiosis, ploidy… … Wikipedia
Apomixis — Not to be confused with automixis or autogamy. This article deals almost exclusively with plants. For similar processes in animals and Oomycetes, see Parthenogenesis. In botany, apomixis was defined by Winkler as replacement of the normal… … Wikipedia
Ovule — This article is about the plant structure. For animal ovules, see ovum. Micropyle and Ovular redirect here. For the structure in animals, see Micropyle (zoology). For the shape, see oval. Location of ovules inside a Helleborus foetidus flower… … Wikipedia
cycadophyte — ▪ plant Introduction any member of a diverse collection of mostly extinct primitive gymnospermous plants. They probably had their origins among the progymnosperms of the Devonian Period (416 to 359 million years ago), possibly among a… … Universalium
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