Cephalorrhynchus
Encyclopedia
Cephalorrhynchus is a genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of flowering plants in the daisy family
Asteraceae
The Asteraceae or Compositae , is an exceedingly large and widespread family of vascular plants. The group has more than 22,750 currently accepted species, spread across 1620 genera and 12 subfamilies...

.

Description

Biennial or perennial daisy
Bellis perennis
Bellis perennis is a common European species of Daisy, often considered the archetypal species of that name. Many related plants also share the name "Daisy", so to distinguish this species from other daisies it is sometimes qualified as Common Daisy, Lawn Daisy or occasionally English daisy. It is...

-like herbaceous
Herbaceous
A herbaceous plant is a plant that has leaves and stems that die down at the end of the growing season to the soil level. They have no persistent woody stem above ground...

 plants with erect stem. Leaves are alternate, oval or oblong, undivided or pinnate
Pinnate
Pinnate is a term used to describe feather-like or multi-divided features arising from both sides of a common axis in plant or animal structures, and comes from the Latin word pinna meaning "feather", "wing", or "fin". A similar term is pectinate, which refers to a comb-like arrangement of parts...

. Roots thicken in tuberous form.

Corymbose-paniculate inflorescence
Inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Strictly, it is the part of the shoot of seed plants where flowers are formed and which is accordingly modified...

s with heads that have clusters of 10 to 15 bisexual ligulate flowers. The involucre is cylindrical two to four rowed, with the inner involucral bracts twice as long as outer bracts. The receptacle is flat and glabrous. The corolla is yellow, whitish yellow or azure blue. The stamens have saggitate anthers and ovate appendage. Achenes fusiform, transversely rugose, with five broad, rounded ribs. Pappus
Pappus (flower structure)
The pappus is the modified calyx, the part of an individual disk, ray or ligule floret surrounding the base of the corolla, in flower heads of the plant family Asteraceae. The pappus may be composed of bristles , awns, scales, or may be absent. In some species, the pappus is too small to see...

 white.

Species

  • Cephalorrhynchus albiflorus
  • Cephalorrhynchus aucheri
  • Cephalorrhynchus brassicifolius
  • Cephalorrhynchus candolleanus
  • Cephalorrhynchus chitralensis
  • Cephalorrhynchus confertus
  • Cephalorrhynchus cypricus
  • Cephalorrhynchus freyniana
  • Cephalorrhynchus glandulosus
  • Cephalorrhynchus gorganicus
  • Cephalorrhynchus hispidus
  • Cephalorrhynchus kirpicznikovii
  • Cephalorrhynchus kossinskyi
  • Cephalorrhynchus kotschyi
  • Cephalorrhynchus microcephalus
  • Cephalorrhynchus picridiformis
  • Cephalorrhynchus polycladus
  • Cephalorrhynchus rechingeranus
  • Cephalorrhynchus saxatilis
  • Cephalorrhynchus soongoricus
  • Cephalorrhynchus subplumosus
  • Cephalorrhynchus takhtadzhianii
  • Cephalorrhynchus talyschensis
  • Cephalorrhynchus tuberosus

External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK