Bupleurum sintenisii is a species of flowering plant in the family Apiaceae. It is referred to by the common name dwarf hare's ear, and is an annual herb, 1–5 cm high, hairless and glaucous. Leaves alternate, simple, entire, linear, 10-20 x 0.5-1.5 mm. The inconspicuous flowers are yellowish to brownish and crowded in umbels. Flowers from May to July. The fruit is a dry schizocarp, covered by hooded bristles.