Rattail
Stachytarpheta dichotoma
- Habit
- Undershrub
- Native to
- Tropical America
How to identify Rattail
Identify Rattail by combining habit, leaf characters, flower or fruit details, location, and its family pattern. Do not rely on one feature alone.
- Look for a undershrub habit.
- Confirm leaf surface: Glabrous (smooth, hairless).
- Confirm flower colour: Purple.
- Confirm flower arrangement: Spike (stalkless flowers along a stem).
- Confirm it sits within the Verbenaceae family pattern, then compare close relatives before deciding it is Rattail.
Plant Details
- Scientific name
- Stachytarpheta dichotoma
- Genus
- Stachytarpheta
- Family
- Verbenaceae
- Habit
- Undershrub
- Native to
- Tropical America
Leaf characters
- Leaf surface
- Glabrous (smooth, hairless)recorded
Typical of the family
- Arrangement
- Opposite
Characters marked “recorded” are for Rattail itself; the rest are typical of the Verbenaceae family.
Flower & fruit characters
- Flower colour
- PurplerecordedPurple or violet
- Flower arrangement
- Spike (stalkless flowers along a stem)recorded
Typical of the family
- Flower symmetry
- Zygomorphic (bilaterally symmetrical)
- Inflorescence
- Cyme
- Fruit
- Drupe
Characters marked “recorded” are for Rattail itself; the rest are typical of the Verbenaceae family — flowering plants only.
About Rattail
Rattail (Stachytarpheta dichotoma) belongs to the Verbenaceae family, where it grows as a low shrub. It is native to Tropical America.

Verbenaceae
Verbena/Teak family
Rattail belongs to the Verbenaceae family.
The illustration represents the family — not necessarily this exact species.
Explore the Verbenaceae familySnap it. Know it.
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Common plant problems
If you are starting from symptoms instead of a diagnosis, use the plant disease symptom checker to narrow the cause before treating.
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