A letter ‘K’ indicates the outermost whorl, i.e. A floral formula is a symbolic representation of different floral parts, their numbers, arrangement pattern and how they are related. Floral Formula: Rutaceae: Distinctive Features: Phylogeny and Systematic: The family Rutaceae is related to Meliaceae and Anacardiaceae. (⚥) indicates that the flower is perfect or hermaphrodite (includes stamen plus pistil). Floral Formula of Fabaceae Family (%) shows that the symmetry of the flower is monosymmetric or zygomorphic. Most flowers are bilaterally symmetrical, though they are radially symmetrical in Mimosoideae. Family Arecaceae is also called as the palm family. Almost all the features denoted in a floral formula will be used in the identification process just to get to family level, This is more efficient than returning to the specimen to reex-amine it … Here the symbols represent: ％ This family consists of palm plants. FLORAL DIAGRAM 13. Systematic position of Rutaceae Different taxonomists have classified the family differently. Flower: Regular or sometime slightly irregular (Dictamnus), bisexual (unisexual in Acanthopanax and Toddalia), 5- merous but multiples of three and 4 (Ruta, lateral flower) are common, hypogenous, with a large cushion- like disc below the ovary. Of them Family Ranunculaceae and Caryophyllacee belong to SeriesThalamiflorae (Polysepalous, petals hypogynous) while family Rutaceae belongs to Disciflorae (Thalamus expanded into a disc , ovary superior). ROSACEAE; Rose family – General characters , floral formula , floral diagram , economic importance and common species Syed Muhmmad Muzammil Gilani January 31, 2019 Angiosperm families , Botany , Rosaceae , Rose family The members of the subclass Polypetalae contain … Brassicaceae or Cruciferae is a medium-sized and economically important family of flowering plants, commonly known as mustards, the crucifers or the cabbage family. This family has more than 217 genera and around 2,500 species. Because of the differences between the three subfamilies, a single floral formula becomes complex. The name is derived from the type genus Rosa.Among the most species-rich genera are Alchemilla (270), Sorbus (260), Crataegus (260), Cotoneaster (260), Rubus (250), and Prunus (200) which contains the plums, cherries, peaches, apricots, and almonds. The floral formula of Pisum sativum (peas) of the Fabaceae family is as follows: ％ ⚥ K (5) C 1+2+(2) A (9)+1 G 1. Its members are characterized by strong trunks and toddy yielding inflorescences. Engler and Prantl also placed it under Geraniales. calyx and (5) shows that the number of sepals is five that are united with each other. observe a flower's structure, prepare a lloral formula, and then progress to keying out. Families Ranunculaceae, Caryophyllaceae and Rutaceae belong to Polypetalae (Petals are free and flower with Calyx and Corolla) group. It is also allied to Geraniaceae. • The family Rutaceae is also related to Euphorbiaceae on account of the presence of ventral raphe of the ovule in some genera. Flower formula 12. There are 5 sepals and 5 petals with varying degrees of fuision. Fabaceae, the Legume Family Figure \(\PageIndex{8}\): Floral formula of the Fabaceae. Fig.2: A generalized floral diagram of the family Rutaceae II. Rosaceae, the rose family, is a medium-sized family of flowering plants, including 4,828 known species in 91 genera.. Some of the prominent ones are as follows: Bentham and Hooker (1862-1883) - the two British botanists, placed Rutaceae in: Class - Dicotyledons Subclass - Polypetalae Series - Disciflorae Floral Formula . The alternative name of this family is Palmae. Bentham and Hooker placed Rutaceae under Geraniales, series Disciflorae, subclass Polypetalae and class Dicotyledons. The members of this family are distributed throughout the world. • According to Tillson and Bamford (1938) the disc in the members of sub-family Aurantioideae represents the vestigeal third whorl of stamens.
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