Jack-in-the-pulpit, Arisaema triphyllum

Life Cycle



Fleshy, tuber-bearing corm. Smooth stem, 20-100 cm tall. LEAF: Usually 2 long-stalked, compound with 3 leaflets. Terminal leaflet diamond to oval shaped. Leaflets prominently net-veined and dull green and lateral leaflets asymmetrical. FLOWER:A "pulpit" (a green and brown-purple striped spathe) folds over the "jack" (a spadix, 5-7.5 cm long, bisexual or unisexual). If female, flowers have 1 pistil and if male, 2 stamens. If together on the same spadix the female flower is at the bottom and the male at the top. Produces red berry in dense oval cluster. HABITAT:Most commonly found in woodlands or wet forest areas.

Figure #1.

Jack-in-the-pulpit plant. Southern Ontario, May.

Figure #2.

"Jack-in-the-pulpit" plant.

Figure #3.

Pulpit of jack-in-the-pulpit. Green and purple or brown striped spathe.

Figure #4.

Leaf of jack-in-the-pulpit. Long stalked, compound with 3 leaflets.