The story
From tri- + pinnatifid.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: triply pinnately cleft; said of a pinnatifid leaf when its segments are pinnatifid, and the subdivisions of these also are pinnatifid. Full definition →
From tri- + pinnatifid.
Etymology from Wiktionary, CC BY-SA 4.0.