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Erigeron
philadelphicus is a perennial herb native to
North America that widely occurs in the wild in Japan.
Stems are hollow, rising to 0.3-1m in height; the whole
is covered with vellus hairs. Radical leaves are still
alive in flowering time, and the lower part of the
on-stem leaves is long, oblong, or spatulate, with
winged petioles. Bases of on-stem leaves expand sideways
like ear lobes to embrace the stems. Flower heads are
2-2.5cm across, with many white to light purple ray
florets. Bloom time: May-July. |