asteraceae family pdf
Flower: Sessile; ebracteate: aetinomorphic or zygomorphic: pentamerous Regular or irregular; complete or incomplete; unisexual Or hermaphrodite; epigynous; : 4. Hutchinson did not treat the family as the last evolved and put the Asterales under the 6th series far before the last series Laminales; but he placed it near Rubiaceae. Homogamous-rayed or ligulate heads.
Floral buds are well protected by involucral bracts.
This website includes study notes, research papers, essays, articles and other allied information submitted by visitors like YOU. Herbaceous, erect, fistular, milky, branched, green, rough and angular. Asteraceae or Compositae is an exceedingly large and widespread family of flowering plants with more than 23,600 currently accepted species, spread across 1,620 genera and 13 subfamilies. Atractylis gummifera was also known for its antipyretic, diuretic, purgative, and emetic properties [26,29].
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%���� Tafelberg, Kaapstad. In the National Herbarium, Pretoria, we accept 18 tribes. Bicarpellary, syncarpous, inferior, unilocular, basal placentation, single basal ovule; style simple, stigma bifid. Lactuceae – Lactuca, Sonchus. It was observed that in the acute preliminary experiments, the aqueous extract lowered (p < .05) the blood glucose levels in both normal and NAD–STZ diabetic mice at doses of 100 and 316 mg/kg, the effect similar to that have been produced by glibenclamide at the dose of 10 mg/kg.
Klassifikasie en die subfamilie Cichorioideae. I.
(ASTERACEAE (COMPOSITAE) Sunflower Family). Petals 5, gamopetalous, tubular, coloured. Food for animals:species of this family grow in so many habitats and localities, many of them are good grazing for stock e.g.
They may be present in the form of small scales or hairs or bristles. Tupichilignan A (Fig. Share Your PDF File It is complete classification of a family enough for intermediate level. Many members of this family are cultivated as ornamental plants. Download as PDF.
The disc florets are present in the central region. Plants mostly herbaceous annuals, biennials or perennials. The calyx, known as the pappus, is modified as 2– ∞ (sometimes connate) awns, scales, or capillary bristles (typically barbed or plumose), pappus absent in some. H.Chrysanthemum coronarium. Heads with chaff subtending flowers. 19. Click the View other plants in this family link above to find all the Asteraceae on this site. Many species in the karroo and fynbos vegetation have small, needle-like leaves to survive the hot, dry summer seasons. Capitula large with two kinds of flowers: (a) The peripheral flowers or ray florets, which are large, attractive and ligulate.
(With Methods)| Industrial Microbiology, How is Cheese Made Step by Step: Principles, Production and Process, Enzyme Production and Purification: Extraction & Separation Methods | Industrial Microbiology, Fermentation of Olives: Process, Control, Problems, Abnormalities and Developments, The best answers are voted up and rise to the top. Some plants of this family are used as food Sonic of these are lettuce (fsi.–), roots and leaves of cichory. h�b```f``�a`a`�_��π ��@Q�f�#7�1�u��٫x�*���00�?��qH���O � ���c(wx������{3x����'i��� E6�b���e*l�P� ٮ%�
Petals 5, gamopetalous, highly coloured, ligulate, strap-shaped, valvate.
4 0 obj The members of this family are worldwide in distribution. Xanthium, Blumea, Sonchus, Vernonia are the common weeds. No specific pharmacological treatment for Atractylis gummifera intoxication is yet available and all the current therapeutic approaches are only symptomatic [26]. Herman, P.P.J. and many other species are cultivated for extraction of oil. Bracteate, sessile, (Sonchus, Ageratum), complete or incomplete, hermaphrodite or unisexual, pentamerous, tubular (actinomorphic) or ligulate (zygomorphic), epigynous and inconspicious. Fruit simple, in some mechanism of wind dispersal (parachute). Bicarpellary, syncarpous, inferior, unilocular, basal placentation, ovule single, style single, stigma bifid. <>>>
Herman, P.P.J. Homogamous-non-rayed or discoid heads. Dwivedi, in Discovery and Development of Antidiabetic Agents from Natural Products, 2017. They are world wide in distribution and abundant in tropics and in cold arctic or alpines regions. Delayed hypersensitivity reactions to the Asteraceae (Compositae) can arise from sesquiterpene lactones. Stamens 5, epipetalous, syngenesious, basifixed, dithecous, introrse, superior. Asteraceae. FIGURE 8.134. In capitulum or head the form of flowers and distribution of sex also varies. 2. Food for man: The most well known food product of the family is certainly sunflower oil and kernels. Bremer, K. 1994.
The family is commonly known as Sunflower family. (ASTERACEAE (COMPOSITAE) Sunflower Family) Diagnostic characters . Tap root, sometimes modified into tubers (Dahlia). Common names: daisy family, sunflower family, thistle family (Eng. K.Malacothrix californica. Chrysanthemum, Zinnia etc. It was demonstrated that calein C inhibited the activity of yeast α-glucosidase with IC50 value 0.28 mM versus 1.7 mM for acarbose. 2 0 obj Herbs (Ageratum, Lactuca, Dahlia, Sonchus), shrubs (Inula, Senecio) rarely trees (Vernonia arborea and Leucomeris).
H.Aster sp. The fruit is an achene (or “cypsela,” an achene derived from an inferior ovary), typically a multiple fruit of achenes, an elongate beak forming between fruit and pappus in some taxa. The aqueous ethanolic extract of the fruits of A. lappa yielded two novel compounds (Fig.
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