Also known subjects: fly poisonous grass,

sticky skirt,

old woman’s needlework. Tealaceae

Plant form: perennial herb,

upright,

up to 80cm (centimeter). The stem has few branches,

four edges,

densely covered with microhairs,

long internodes,

enlarged nodes,

There are vertical stripes on the surface,

The lower part of the stem is lignified,

sometimes lavender,

the upper part is light green. The leaves are opposite,

the lower leaves have long stalks,

the upper leaves are almost stalkless,

the leaves are oval,

the base is truncated Shaped to wedge-shaped,

apex pointed or tapered,

edges coarsely serrated,

length 3.5-8cm (cm),

Wide 2~4cm (centimeter),

Sparsely fine hairs on both sides. The flowers are white, and

are terminal or axillary spike-like racemes.

The flowers point upward when they first bloom, and

gradually turn downward after blooming. Calyx tube-shaped and 5-lobed,

Corolla tube-shaped and 2-lipped,

5-lobed,

stamens 4,

2 strong ,

Ovary superior,

Room 1. The capsule is in the persistent calyx and droops when mature.

Ecological distribution: native to northeastern my country;

mostly found on hillside forest edges,

in valleys, jungles and grass.

Medicinal parts: The whole plant and roots are poisonous,

For medicinal purposes,

Collected from July to October.

Efficacy: Astringent and cool in nature and flavor,

Non-toxic. It can clear away heat,

treat yellow water sores,

scabies and insect sores. The roots can kill fly maggots, and the whole grass can kill vegetable caterpillars.

Dosage and usage: 2 to 3 yuan.