Umbellet - definizione. Che cos'è Umbellet
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Cosa (chi) è Umbellet - definizione

A TYPE OF INFLORESCENCE, WITH A MONOPODIAL GROWTH HABIT, WHICH AT ANTHESIS IS COMPOSED OF PEDICELLATE FLOWERS ON A FIRST ORDER INFLORESCENCE AXIS WITH COMPRESSED INFLORESCENCE AXIS INTERNODES. APPEAR AS CLUSTERS ORIGINATING FROM A SINGLE POINT.
Umbels; Umbellule; Umbeliform; Umbellules; Umbellate; Umbelliform; Umbellet

Umbellet         
  • Compound umbel of a hemlock-parsley, ''Conioselinum pacificum'' (Apiaceae)
  • Compound umbel of a wild carrot, ''[[Daucus carota]]'' (Apiaceae)
  • Fatsia japonica]]'' (Araliaceae)
  • Involucrate]] simple umbels of ''[[Primula veris]]''
  • Umbel of a ''[[Pelargonium zonale]]''
  • ''[[Daucus carota]]'' umbel down view
·noun A small or partial umbel; an Umbellule.
umbel         
RDF ONTOLOGY, AN EXTRACTED SUBSET OF OPENCYC
Umbels; Umbellule; Umbeliform; Umbellules; Umbellate; Umbelliform; Umbellet
['?mb(?)l]
¦ noun Botany a flower cluster in which stalks of nearly equal length spring from a common centre and form a flat or curved surface, characteristic of the parsley family.
Derivatives
umbellate adjective
Origin
C16: from obs. Fr. umbelle or L. umbella 'sunshade'.
Umbellate         
  • Compound umbel of a hemlock-parsley, ''Conioselinum pacificum'' (Apiaceae)
  • Compound umbel of a wild carrot, ''[[Daucus carota]]'' (Apiaceae)
  • Fatsia japonica]]'' (Araliaceae)
  • Involucrate]] simple umbels of ''[[Primula veris]]''
  • Umbel of a ''[[Pelargonium zonale]]''
  • ''[[Daucus carota]]'' umbel down view
·adj ·Alt. of Umbellated.

Wikipedia

Umbel

In botany, an umbel is an inflorescence that consists of a number of short flower stalks (called pedicels) that spread from a common point, somewhat like umbrella ribs. The word was coined in botanical usage in the 1590s, from Latin umbella "parasol, sunshade". The arrangement can vary from being flat-topped to almost spherical. Umbels can be simple or compound. The secondary umbels of compound umbels are known as umbellules or umbellets. A small umbel is called an umbellule. The arrangement of the inflorescence in umbels is referred to as umbellate, or occasionally subumbellate (almost umbellate).

Umbels are a characteristic of plants such as carrot, parsley, dill, and fennel in the family Apiaceae; ivy, Aralia and Fatsia in the family Araliaceae; and onion (Allium) in the family Alliaceae.

An umbel is a type of indeterminate inflorescence. A compressed cyme, which is a determinate inflorescence, is called umbelliform if it resembles an umbel.