Rehmannia glutinosa from Jinfo Mountain
A perennial herb with long cylindrical or spindle-shaped roots and a square stem featuring grooved lines. The lower leaves are opposite, while the upper ones may be alternate, ranging from ovate to lanceolate in shape, measuring 10–15 cm in length, with fine serrated edges that are slightly revolute, hard, and tipped with a pointed apex. The large, loose cymose panicle bears glandular hairs on its axis; the calyx has five lobes with membranous margins; the corolla is brownish-purple, with the upper lip longer than the lower lip; the staminodes are nearly round. The fruit is an ovate capsule. Flowering period is July to August, fruiting period is August to September.
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