Term Information

Accession
PO:0030128
Name
determinate thyrse inflorescence
Ontology
plant_anatomy
Synonyms
determinate thyrse (exact), thyrsoid (exact), dichasium (broad), thyrse (broad)
Alternate IDs
None
Definition
An inflorescence (PO:0009049) which at flowering stage (PO:0007616) is composed of a determinate, first order inflorescence axis (PO:0025104) and dichasial second order inflorescences with pedicellate flowers (PO:0009046) and determinate, higher order inflorescence axes (PO:0009081). Source: NYBG:Dario_Cavaliere, PO:cooperl, NYBG:Brandon_Sinn
Comment
The higher order inflorescence axes (PO:0009081) of an determinate thyrse inflorescence may have either a monopodial or sympodial growth habit depending on whether single or paired inflorescence axillary meristems (PO:0009105) develop at each axis. Examples include lilacs (Syringia spp.; Oleaceae), buckeyes (Aesculus spp.; Hippocastanaceae) and hydrangea (Hydrangea paniculata; Hydrangeaceae).
Subset
None
Feedback
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Parents of determinate thyrse inflorescence (PO:0030128)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
determinate thyrse inflorescence [is_a relation] is_a  inflorescence (PO:0009049)

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None.