What's the difference between umbel and umbellifer?

Umbel


Definition:

  • (n.) A kind of flower cluster in which the flower stalks radiate from a common point, as in the carrot and milkweed. It is simple or compound; in the latter case, each peduncle bears another little umbel, called umbellet, or umbellule.

Example Sentences:

  • (1) It was found in the proposed model of morphogenesis of Acetabularia that the number of whorls N (as well as the number of umbel rays) depends on the degree of mechanical instability of the deforming cell wall (the greater is instability, the higher is the value N).
  • (2) Nitrogen fertilization gave higher number of compound umbels and increased oil percentage, seed yield and oil yield with increase in dose.
  • (3) A living, ammonia-obligate, umbellate form, similar to the Precambrian microfossil Kakabekia umbellata Barghoorn, has been isolated from two soil specimens collected at Harlech, Wales.
  • (4) dauricine and polysaccharide of pore umbellate as group I.
  • (5) Morphologically, ginseng is a perennial herb with fleshy root, a single annual stem bearing a whorl of palmately compound leaves, and a terminal simple umbel of small 5-merous flowers.
  • (6) The compound umbels per plant increased as the distance between plants increased.
  • (7) When the dendrite reaches layer II it bursts into an umbel of rapidly tapering branches.
  • (8) An ontogeny is proposed in which the stalk and basal bulb of the complete umbellate structure are assumed to be part of the reproductive appartus.
  • (9) These results show that dauricine and polysaccharide of pore umbellate did not strengthen the antiviral effect of Ara-A.
  • (10) As it could be expected from the high prevalence of adults with antibody (95%), 90% of umbelical cord sera have h.ia.,, Over 50% of children 15 days-3 months of age are still positive and afterwards the positivity decreases progressivley till a minimum of 8% in children 10--12 months old.
  • (11) Early sown plants produced taller plants, with higher compound umbels.

Umbellifer


Definition:

  • (n.) A plant producing an umbel or umbels.

Example Sentences:

  • (1) The use of a trimmer for a lawn, which is covered with phototoxic plants such as Heracleum sphondylium and other Umbellifers, can lead to a phytophotodermatitis (trimmer's rash).
  • (2) A continuing investigation of the umbellifer Lomatium dissectum has resulted in the isolation of a known flavonoid [1] and three coumarin glycosides [2-4], two of which are previously unreported.

Words possibly related to "umbellifer"