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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 Suffix added to the word stem of a generic name to form the name of a taxonomic family; [9] for example, Rosaceae is the rose family, of which the type genus is Rosa. [10] achene
Compound Umbel – an umbel where each stalk of the main umbel produces another smaller umbel of flowers. Corymb – a grouping of flowers where all the flowers are at the same level, the flower stalks of different lengths forming a flat-topped flower cluster. Cyme – is a cluster of flowers where the end of each growing point produces a flower.
[1] [15] [16] [17] In addition, the Nymphaeaceae are more genetically diverse and geographically dispersed than other basal angiosperms. [ 18 ] [ 19 ] Nymphaeaceae is placed in the order Nymphaeales , which is the second diverging group of angiosperms after Amborella in the most widely accepted flowering plant classification system, APG IV system .
Floral formulae are one of the two ways of describing flower structure developed during the 19th century, the other being floral diagrams. [2] The format of floral formulae differs according to the tastes of particular authors and periods, yet they tend to convey the same information. [1] A floral formula is often used along with a floral diagram.
Other fields are denoted by adding or substituting the word botany (e.g. systematic botany). Phytosociology is a subfield of plant ecology that classifies and studies communities of plants. The intersection of fields from the above pair of categories gives rise to fields such as bryogeography (the study of the distribution of mosses).
Flowers provide less food than other major plant parts (seeds, fruits, roots, stems and leaves), but still provide several important vegetables and spices. Flower vegetables include broccoli, cauliflower and artichoke. The most expensive spice, saffron, consists of dried stigmas of a crocus. Other flower spices are cloves and capers.
The rose hip or rosehip, also called rose haw and rose hep, is the accessory fruit of the various species of rose plant. It is typically red to orange, but ranges from dark purple to black in some species. Rose hips begin to form after pollination of flowers in spring or early summer, and ripen in late summer through autumn.
'Maiden's Blush', an Alba rose (before 1400) Literally "white roses", derived from R. arvensis and the closely allied R. × alba. The latter species is a hybrid of R. gallica and R. canina. [14] This group contains some of the oldest garden roses. The shrubs flower once yearly in the spring or early summer with scented blossoms of white or pale ...