umbellulen.
/ʌmˈbɛljuːl/, U.S. /ˈəmbəlˌjul/, /əmˈbɛlˌjul/ Botany.
A partial or secondary umbel; an umbellet. Also (in recent dictionaries) umbellulate, umbellulated adjs.
ΘΚΠ
the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > inflorescence or collective flower > [noun] > of particular type, shape, or arrangement > umbel or ray
spoke1578
umbel1597
muscary1657
umbella1699
radius1727
ray1727
universal umbel1760
umbellet1793
umbellule1793
sertulum1831
1793 T. Martyn Lang. Bot. sig. X7 Umbellula, an Umbellule or Umbellet.
1796 W. Withering Arrangem. Brit. Plants (ed. 3) I. 204 Leafits acute, as long as the umbellule.
1812 S. Edwards New Bot. Garden I. 8 The flowers in umbels, umbellules..in pairs.
1843 Penny Cycl. XXV. 498/1 If the primary pedicels have other smaller pedicels, which form of themselves a smaller umbel,..the umbel is said to be compound, and the smaller umbels are called umbellules.
1861 R. Bentley Man. Bot. i. iv. 190 Another [involucre] at the base of each of the partial umbels or umbellules.
This entry has not yet been fully updated (first published 1921; most recently modified version published online March 2022).
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n.1793