Silene firma is a
60-80cm-tall biennial herb growing in fields and mountains, with
leaves 4-7cm in length, in the shape of a long-oblong or oval-like
lanceolate. Stem tips or axils put small white flowers; petal's
limbs are 2-3mm long, with tips cleft in two, and calyx tubes
measure 0.7-1cm in length, with ten veins. Bloom time:
June-September.
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