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350 results for involucre

  • Glossary: I: involucre

    involucre: A grouping of many involucral bracts, which are modified leaflets that grow at the base of an inflorescence or flower, as in the "cup" of an acorn in members of the oak family (...

  • Glossary: I: involucral bract

    involucral bract: One of the many leaf-like bracts that surround the base of the capitulum in Asteraceae; synonym "phyllary".

  • Glossary: C: calyculate

    ...an involucre.

  • Glossary: C: cyathium

    ...cup-like involucre with the flowers inserted on it, found in members of the Euporbiaceae (plural: cyathia).

  • Glossary: P: phyllary

    phyllary: One of the many leaf-like bracts that surround the base of the capitulum in Asteraceae; synonym "involucral bract".

  • Carduus: Dichotomous Key

    ...1a. Involucres 20–60 mm wide; involucral bract appendages 2–7 mm wide; capitula often nodding; peduncles 2–30 cm long 1b. Involucres 10–25 mm wide; involucral bract appendages 0.5–1 mm wi...

  • Glossary: N: nut

    ...an involucre (as in acorns of the oak family, Fagaceae).

  • Glossary: C: capitulum

    ...common involucre (plural: capitula).

  • Crepis: Dichotomous Key

    ...glands; involucre 5–8 (–9) mm tall; cypsela body 1.4–2.5 mm long 3b. Abaxial surface of involucral bracts glabrous or glabrate; involucre 8–10 mm tall; cypsela body 2.5–4 mm long ...

  • Centaurea: Dichotomous Key

    ...dentate); involucre 10–15 mm wide 8b. Appendage of involucral bracts decurrent only in the apical half of the bract 
[Fig. 389]; leaf blades pinnatifid; involucre narrower than 10 mm or w...