Mexico 2013 Flora de Puebla y Veracruz

Voucher:LCO 2633

Phytolacca americana L.

Location:Veracruz, Mpio Tequila.
Coordinates: 18°43'22" N, 97°03'50" W Alt: 1835m

Arching shrub 1.5 m tall with dark purple stems and petioles. Inflorescence axis bright pink. Tepals pale pink. Stamens white. Immature fruits green.
Roadside, ruderal, disturbed habitat at forest edge. Orange clay soil with Sambucus, Hypericum and Thalictrum.

Identification Notes: Verified with Nowicke, J.W. 1969 'Palynotaxonomic study of the Phytolaccaceae' Annals Missouri Bot. Gard. 56(2): 288-290. Subgenus Phytolacca. Sepals purplish, 5. Carpels 10 completely fused. Inflorescence raceme to 15cm long. P. purpurascens is native to Veracruz and said to have stamens in two whorls (character difficult to observe) this species is said to be a possible introgression with P. americana. P americana is now a widespread weed worldwide.

Caamaño Onofre, L. #2633      3 June 2013

morphological details

inflorescence inflorescence

bracts bracts

flower flower

fruits fruits fruit fruit stem stem
adaxial leaf surface adaxial leaf surface adaxial leaf surface adaxial leaf surface abaxial leaf surface abaxial leaf surface

additional pictures

flower flower
field picture
Herbarium voucher
Herbarium voucher

Other field pictures

flowering shrub