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Some seeds will only germinate after hot temperatures during a forest fire which cracks their seed coats; this is a type of physical dormancy. Most common annual vegetables have optimal germination temperatures between 75–90 F (24–32 C), though many species (e.g. radishes or spinach ) can germinate at significantly lower temperatures, as ...
Increasing in size with age, such as a calyx that continues to grow after the corolla has fallen, [2] e.g. in Physalis peruviana. accumbent Lying against another part of the plant; when applied to a cotyledon, it means that an edge of the cotyledon lies along the folded radicle in the seed. [8]-aceae
Fasciculated root – When several tubercular roots grow as a parallel bunch or bundle. Seen in Dahlia sp., Ruellia tuberosa, Asparagus racemosus, etc. Orchis maculata have a pair of bulbous storage-roots. Nodulose root – Not to be confused with root-nodules. Storage pattern is a root axis swollen near the apical portion, thus forming a ...
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Red mangrove seeds germinate while still on the parent tree. In plants, vivipary occurs when seeds or embryos begin to develop before they detach from the parent. Plants such as some Iridaceae and Agavoideae grow cormlets in the axils of their inflorescences. These fall and in favourable circumstances they have effectively a whole season's ...
addled eggs Also, wind eggs; hypanema. [5] Eggs that are not viable and will not hatch. [6] See related: overbrooding. afterfeather Any structure projecting from the shaft of the feather at the rim of the superior umbilicus (at the base of the vanes), but typically a small area of downy barbs growing in rows or as tufts.
True dormancy or inherent (or innate) dormancy is caused by conditions within the seed that prevent germination even if the conditions are favorable. [7] Imposed dormancy is caused by the external conditions that remain unsuitable for germination [8] Seed dormancy can be divided into two major categories based on what part of the seed produces dormancy: exogenous and endogenous. [9]
Tempranillo is known under a number of local synonyms in different regions of Spain: "Cencibel" and "Tinto Fino" are used in several regions, and it is known as "Tinta del País" in Ribera del Duero and the surrounding area, "Tinta de Toro" in Toro, and "Ull de llebre" in Catalonia.