
1) Infundibuliform
Found on
https://www.crosswordclues.com/clue/funnelform

with a form gradually widening from the base to apex; funnel-shaped.
Found on
http://en.wikipedia.org/wiki/Glossary_of_botanical_terms

• (a.) Having the form of a funnel, or tunnel; that is, expanding gradually from the bottom upward, as the corolla of some flowers; infundibuliform.
Found on
http://thinkexist.com/dictionary/meaning/funnelform/

gradually widening upwards, as in the flowers of morning glory
Found on
http://www.calflora.net/botanicalnames/botanicalterms.html

Descriptive of a flower whose corolla tube widens gradually and uniformly from the base.
Found on
http://www.encyclo.co.uk/local/20901

gradually widening upwards, as in the flowers of morning glory
Found on
http://www.encyclo.co.uk/local/21767

Funnel-shaped.
Found on
http://www.encyclo.co.uk/local/22034
Fun'nel·form` adjective (Botany) Having the form of a funnel, or tunnel; that is, expanding gradually from the bottom upward, as the corolla of some flowers; infundibuliform.
Found on
http://www.encyclo.co.uk/webster/F/87

With tube gradually widening upward and passing insensibly into the limb, as in many flowers of Convolvulus; infundibuliform.
Found on
http://www.gardenology.org/wiki/Glossary_of_Gardening_Terms

shaped like a funnel, as the corolla of the morning-glory; infundibuliform.
Found on
https://www.infoplease.com/dictionary/funnelform
No exact match found.