Ziziphora tenuior L.
(Lamiaceae) is an annual and aromatic herb of 5–15 cm height
(Fig. 1A), and the stem is simple or branched from the base.
The leaves are simple and lanceolate, the flowers are hermaphrodite
and zygomorphic with a narrow and tubular calyx (size:
1–2 · 6–9 mm). The corolla is pink and contains five petals.
The androecium consists of two fertile stamens and the gynoecium
with two carpels