Winged Buckwheat
Eriogonum alatum
(Pterogonum alatum)
Observed in the ponderosa forest near the campus of Northern Arizona University in Flagstaff, Coconino Co., Arizona, USA. August 2009.
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LEAVES: Most of the leaves grow at ground level in a roseatte atop a tap
root. Leaves are elyptic to linear in shape.
FLOWERS: Once flowering begins, a tall spindly stalk with a number of
divaricating branches grows. The flowers opening July to September, are
greenish yellow and not very showy.
FRUIT: The bracts enclosing the seed expand to form flat wings.
ANNUAL: Few plants surpass one meter
in height with the flowering stalks.
RANGE: Common in Arizona's ponderosa woodlands after good summer rains.
UNARMED
Polygonaceae -- Buckwheat Family
More Information:
- Southwest Environmental Information Network
- Southwest Colorado Wildflowers
- USDA Plant Profile
- ITIS Taxonomic Report
- Google Images
- Google Scholar Literature Search