Chlorophyll

Chlorophyll doubles the ability-bearer's Speed during bright sunshine.

Game descriptions

Ruby
Sapphire
FireRed
LeafGreen
Emerald
Raises SPEED in sunshine.
Diamond
Pearl
Platinum
HeartGold
SoulSilver
Boosts the Pokémon’s Speed in sunshine.
Black
White
Black 2
White 2
Boosts the Pokémon’s Speed in sunshine.
X
Y
O.Ruby
A.Sapphire
Boosts the Pokémon’s Speed stat in sunshine.
Sun
Moon
Boosts the Pokémon’s Speed stat in sunshine.
Ultra Sun
Ultra Moon
Boosts the Pokémon’s Speed stat in harsh sunlight.
Sword
Shield
B.Diamond
S.Pearl
Boosts the Pokémon’s Speed stat in harsh sunlight.

Other languages

EnglishChlorophyll
SpanishClorofila
ItalianClorofilla
Japaneseようりょくそ (Yōryokuso)
GermanChlorophyll
FrenchChlorophylle