What's the difference between chrysanthemum and perennial?

Chrysanthemum


Definition:

  • (n.) A genus of composite plants, mostly perennial, and of many species including the many varieties of garden chrysanthemums (annual and perennial), and also the feverfew and the oxeye daisy.

Example Sentences:

  • (1) It reveals that Beijing believes the economic and political situation to be worsening and that elements on the North’s ruling Korean Workers’ Party that have been urging more wholesale economic reform (known loosely in Beijing as the Chrysanthemum Group) are distinctly on the back foot, if not now almost wholly purged.
  • (2) L9 (3(4)) orthogonal design was adopted to inspect the consumption of white sugar, water and ethanol and the duration of raw material mixing in relation to the granule-attaining rate in preparing Luohanguo-Chrysanthemum granule medicine.
  • (3) The images showed mourners, including Liu Xia, gathered beside a casket that was ringed by pots of white chrysanthemums.
  • (4) However, no detectable change was observed in terms of the virulence of the mutant strain on potato tubers or chrysanthemum stems.
  • (5) "If I asked people to live as I live, they would kill me," Mujica said during an interview in his small but cosy one-bedroom home set amid chrysanthemum fields outside Montevideo.
  • (6) In order to provide a new reference point in the dermatological literature from which the naming of florists' chrysanthemums may be regularised and standardised, the case is presented for the use of the generic name Dendranthema together with a cultivar name in place of a specific epithet.
  • (7) After Hirohito's death in 1989, Akihito ascended the Chrysanthemum Throne to become Japan's 125th emperor.
  • (8) Until now, 14 viroids have been described and 12 diseases of potatoes, tomatoes, citruses, chrysanthemums, cucumbers, hops, coconut palms avocado trees and burdock are known to be caused by viroids.
  • (9) 1 and 2) were shown to be chrysanthemum-like structures with radiative arms under the scanning electronmicroscopy (Plate I, Fig.
  • (10) The pyrethrins, constituents with insecticidal activity, derived from certain Chrysanthemum species and often suspected as the causative agents, play no role in chrysanthemum allergy.
  • (11) A case of occupational chrysanthemum contact dermatitis is reported.
  • (12) Actinic Reticuloid in a Florist A 63 year old florist developed after primary sensibilisation against Chrysanthemum and other flowers and plants the typical clinical and histological features of an actinic reticuloid with considerably augmented sensitivity to UV A and UV B.
  • (13) Tests on sensitized guinea pigs (pirl bright white strain) with flowers of chrysanthemum as well as with the two sesquiterpene lactones parthenolide and alantolactone, derived from different Composite species, gave positive patch test reactions.
  • (14) Some demonstrators carried chrysanthemums, a Chinese symbol of lamentation .
  • (15) 26 base long deoxyribonucleotide complementary to the lower part of the Central Conserved Region of chrysanthemum stund viroid (CSV) was used for synthesis of the first strand cDNA.
  • (16) Immuno-absorption of crude protein extract from chrysanthemum foliage through a column of polymerized and unsolubilized HCG antibodies resulted in a significant reduction in adventitious root promoting activity of the extract.
  • (17) In the case of the chrysanthemum allergy, this was induced occupationally.
  • (18) The analysis of allergens and RAST inhibition tests showed us a close relationship of allergens of Chrysanthemum pollens and pollens of mugwort.
  • (19) Parthenium hysterophorus (78%) was the most frequent plant reacting, followed by Chrysanthemum morifolium (42%), Dahlia pinnata (18%) and Tagetes indica (7%).
  • (20) Epicutaneous skin testing revealed a strong reaction to chrysanthemums and, in addition, cross-reactivity to several species of the compositae family.

Perennial


Definition:

  • (a.) ing or continuing through the year; as, perennial fountains.
  • (a.) Continuing without cessation or intermission; perpetual; unceasing; never failing.
  • (a.) Continuing more than two years; as, a perennial steam, or root, or plant.
  • (n.) A perennial plant; a plant which lives or continues more than two years, whether it retains its leaves in winter or not.

Example Sentences:

  • (1) Eighty micrograms of the topically active parasympatholytic drug ipratropium were applied intranasally four times daily in 20 adults with perennial rhinitis and severe watery rhinorrhoea in a double-blind controlled cross-over trial.
  • (2) consider the X-ray findings verified in 3 groups of subjects: with Hayfiber, with perennial rhinitis and the last one being a control group.
  • (3) Eleven children with severe perennial asthma and a poor clinical response to disodium cromoglycate were studied in a 4-month, double blind trial involving 1 month's treatment with placebo, disodium cromoglycate, betamethasone 17 valerate, and both drugs combined according to a predetermined random design.
  • (4) Cruden Farm, Victoria The 54-hectare Murdoch family estate in Langwarrin south of Melbourne, Australia, features magnificent gardens complete with ponds, lemon-scented gum trees and two walled gardens and perennial borders.
  • (5) In this study, the authors evaluate the inhalant substances of the house, emphasizing the importance of Dermatophagoides pteronyssinus to cause perennial allergic rhinitis.
  • (6) A panel of human CD4+ T cell clones specific for the house dust mite was isolated from an atopic individual with perennial rhinitis.
  • (7) Patients who had both perennial symptoms and summer seasonal exacerbations had a higher incidence of a positive family history of atopy and developed symptoms earlier in life than those patients who had summer seasonal or perennial symptoms only.
  • (8) Patients with perennial rhinitis had a more vigorous response than the controls.
  • (9) The immediate changes in regional ventilation and pulmonary blood flow were studied in seventeen adults with perennial asthma and in two control persons, who were challenged by histamine inhalation (histamine induced asthma (HIA)).
  • (10) Twenty-eight patients with allergic perennial rhinitis treated for 2 years with parenteral semidepot immunotherapy were divided into two groups of 14 patients: group A receiving conventional aerosol nebulization (TNE), and group B, which received TNAI using a type F aerosol electrocompressor.
  • (11) We have something to say and something to offer on perennial political dilemmas.
  • (12) Specificity was 87% for pollens and 90% for perennial antigens.
  • (13) Overnight, Russia has moved from perennial rival to trusted friend, while Nato’s future is in peril.
  • (14) More males than females had summer seasonal symptoms whereas more females than males had perennial symptoms.
  • (15) The old-fashioned dining room, unpretentious atmosphere, and the three-course menus under €30 make it a perennial favourite.
  • (16) But Howitt says that while it is a problem that so much farmland has shifted from more adjustable crops to perennials like almonds, he has a simpler solution: better management of groundwater.
  • (17) They are the identification of factors causing severe disease as opposed to heavy infection; the effects of seasonal as opposed to perennial transmission; and the importance of transplacental transmission of microfilariae or soluble antigens.
  • (18) Together with his late wife Janet, he wrote 37 titles including perennial favourites The Jolly Postman and Burglar Bill, and by himself he is the author of many more, including The Pencil, and Woof!
  • (19) It seems that perennial rhinitis probably arises from abundance of domestic antigens more than for the other allergic manifestations, as the nose is the first filter to receive foreign particles.
  • (20) However, PAC differed from SAC in several respects: a history of exacerbation on exposure to house dust (PAC 42 per cent; SAC none) and an association with perennial rhinitis (PAC 75 per cent; SAC 12 per cent) were more common in PAC.

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