Yellow cobra lily
Arisaema flavum is a diminutive cobra lily, probably the smallest member of this large and diverse genus.
In early summer leaves emerge from an underground tuber along with a short stem supporting a cute yellow pitcher flower.
After pollination by flies the flowers fade to be replaced by bright red berries.
The plants will spread but patience is required as they are very slow growing.
An unusual trait shared by all Arisaema species is that they change sex. Arisaema plants are typically male when small, and female or hermaphroditic when large, with a single plant capable of changing sex several times during its 20 years or more lifespan.
Photo: Sten [CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0)]
Humus rich, avoid winter wet
Full sun, partial shade
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