Pennsylvania Pellitory
Parietaria pennsylvanica
The small, green flowers of Pelitory, Parietaria hespera, are arranged close to the stem and below the leaves and thus are very obscure. This plant was growing near a waste bin enclosure in Phoenix, Maricopa Co., Arizona, USA on February 2010.
ANNUAL HERB: An ephemeral weed of mostly urban and agricultural settins
in the Arizona Sonoran Desert. With abundant water plants will grow to
½ m tall.
FRUIT: Small single seeded capsules enclosed in greenish sepals and
bracts.
RANGE: This herb is native to North America and is generally distributed
across the continent.
LEAVES: Elongate triangular leaves usually have a long tappered tip.
FLOWERS: Small, greenish and without showy petals.
UNARMED: Unlike many members of this family, there are no stinging
hairs.