Peruvian Zinnia
Zinnia peruviana
Observed in Sunnyside Canyon, Huachuca Mountains, Sta. Cruz Co., Arizona, USA. 01 Sept. 2012.
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LEAVES: The roughly triangular leaves are paired at each node and more or less jointed arount the stem.
FLOWERS: This plant is a composite with 10 to 20 reddish-pink ray flowers and several yellow disc flowers. The heads
are 3 cm or more in diameter.
ANNUAL: Seeds germinate in spring or early summer depending on arrival of rains; one or a few branching stems reach a maximum
of 1.5 meters
tall.
RANGE: This plant in Arizona requires mostly deeper soil in the canyon bottoms and is found in southeastern Arizona canyons.
FRUIT: Each of the florets in the head gives rise to a single seed.
UNARMED