FLOWER TYPE - INFO

OVERALL FORM

type
typeZclustered
clustered
type
typeZglobed
globed
type
typeZcatkins
catkins
type
typeZumbel
umbel
type
typeZtieredwhorls
whorls
type
typeZspiked
spiked
type
typeZpanicle
panicle


INDIVIDUAL FLOWER FORM

type
typeZtrumpet
trumpet
type
typeZbell
bell
type
typeZfused
fused
type
typeZfringed
fringed
type
typeZspurred
spurred

Classifying the arrangement of flowers is rather specialised, resulting in a great many differing categories that, to the layman, are very hard to interpret or differentiate between in the real world. So the author has greatly simplified the available categories to more closely relate with the laymans' interpretation of the arrangement of flowers. For instance, Panicle is not an official designation, and its use by biologists is discouraged, but to the layman it has a fairly well defined understanding, so is used here. But this category excludes the florets and rays in composite dandelion-type flowers.


OVERALL FORM

 CLUSTERED FLOWERS
This is a catch-all category, which includes all those flower types under the headings CATKINS, GLOBED, UMBEL, SPIKED and PANICLE. It even includes those for which individual flowers are so small and compacted that they cannot be discerned and for which there is no other category, such as those in the spadix of Arums and those in the inflorescence atop Bulrushes. Example of plants with clustered flowers would be the Clovers (which would also be categorized as globed), Hydrangea (which would also be categorised as 'umbel'), etc.

 GLOBED
Globed or Globular flowers include Orange-Ball-Tree, the Globe-Thistles, Round-Headed Leek, Strawberry Tree, Wild Leek, Garden Leek, Star-of-Persia, Onion, Chives and perhaps Globeflower although that is a single globe-shaped flower rather than a cluster of flowers in a spherical globe. Included in this category are any flower-heads that are spherical over at least 3π steradians (there being 4π steradians in a sphere).

 CATKINS

 UMBEL
Most usually characterised by the Umbellifers (Apiaceae, but umbels are not exclusive to the umbellifers; indeed, some umbellifers lack umbels. For instance, the flowers of Elder form an umbel, but Elder is not an umbellifer. An umbel is a flattish cluster of flowers facing upwards, and may be a simple umbel, or compound or triple-compound where the umbel is formed on fractally branched stems.

 TIERED WHORLS
Whorls of flowers of roughly the same size repeated up the stem.

 SPIKED
In this tomb, a spike is a tower of flowers, either parallel sided, or tapered.

 PANICLE
This category encompases both Racemes and Panicles, which are stems, possibly horizontal or drooping, which are covered in flowers, either themselves on smaller branches (compound panicles) or not.


INDIVIDUAL FLOWER FORM

 TRUMPET

 BELL

 FUSED

 FRINGED
Any petals that are frayed or have a fringe at the periphery. This category does not include those petals which appear to have been cut by pinking shears around the extreme edges, as do many members of the Dandelion & Daisy Family such as the Dandelions, Hawkweeds, Hawkbeards, Hawbits, or Sow-Thistles etc.

 TUBULAR

 SPURRED
Some flowers have a tapered tubular spur at the rear that is enclosed, and usually contains nectar to attract and nourish visiting insects. The spur can be hidden (some Orchids) or conspicuous (some Balsams), and very long (Greater Butterfly-Orchid) to a very short 2mm (Frog Orchid) or stubbily short (Monkey Orchid).



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