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Rosaceae (/ r oʊ ˈ z eɪ s iː. iː,-s i. aɪ,-s i. eɪ /), [5] [6] the rose family, is a family of flowering plants that includes 4,828 known species in 91 genera ...
In botany, floral morphology is the study of the diversity of forms and structures presented by the flower, which, by definition, is a branch of limited growth that bears the modified leaves responsible for reproduction and protection of the gametes, called floral pieces.
Armed with prickle s, [13] e.g. the stem of a rose. acumen A long, tapering point, especially the apex of an acuminate leaf. acuminate Tapering gradually to a point, with concave sides approaching the point. [13] Contrast acute and mucronate. See also Leaf shape. acute 1. Sharply pointed, but not drawn out, with straight sides approaching the ...
Rosa banksiae Rosa persica. There are currently four subgenera in Rosa, although there have been some disputes over the years. [3] The four subgenera are: Hulthemia (formerly Simplicifoliae, meaning "with single leaves") containing one or two species from Southwest Asia, R. persica and R. berberifolia (syn. R. persica var. berberifolia) which are the only species without compound leaves or ...
Hibiscus × rosa-sinensis, known colloquially as Chinese hibiscus, [3] China rose, [3] [a] Hawaiian hibiscus, [3] rose mallow [4] and shoeblack plant, [5] is a cultigen of tropical hibiscus, a flowering plant in the Hibisceae tribe of the family Malvaceae.
Leaf morphology: Shape, margin and venation. Leaf Parts: – A complete leaf is composed of a blade, petiole, and stipules, but in many plants one or more might be lacking or highly modified. Blade – see lamina. Lamina – the flat and laterally-expanded portion of a leaf blade. Leaflet – a separate blade, among others, of a compound leaf
Member species are renowned for their large, showy flowers and those species are commonly known simply as "hibiscus", or less widely known as rose mallow. The genus includes both annual and perennial herbaceous plants , as well as woody shrubs and small trees.
Plant morphology "represents a study of the development, form, and structure of plants, and, by implication, an attempt to interpret these on the basis of similarity of plan and origin". [4] There are four major areas of investigation in plant morphology, and each overlaps with another field of the biological sciences.