(No Common Name)
Tetramerium nervosum
Observed along Sycamore Canyon, Pajarito Mountains, Sta. Cruz Co., Arizona, USA. 28 Sept. 2016.
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LEAVES: The simple, lance-shaped leaves are opposite on the stems. Leafless before onset of summer rains.
FLOWERS: Small white to pale yellow flowers open for the night and wilt quickly under the sun after mid morning. Two wide-spreading side
petals and a purple-marked upper.
They are closely packed on a narrow spike with dense green bracts.
PERENNIAL: The slender branching stems might reach to a height of mostly 20 to 30cm.
RANGE: This plant tends to be found in gravel soil in riparian zones in Southeastern Arizona.
FRUIT: The small dry capsules are obscured by the bracts in the spike.
UNARMED