Thousandthread is a small tree plant of the Rutaceae family. Born in low hills or high altitude mountains in sparse forests or dense forests. It is more common in limestone areas, but also found in granite areas, sometimes as a single dominant species in a small area. The roots and leaves are used as medicinal herbs. The taste is slightly pungent, bitter and spicy. Warm in nature, slightly toxic, dredges meridians, promotes qi, activates blood circulation, dissipates blood stasis, relieves pain, calms convulsions, reduces swelling, and detoxifies. Treat colds, headaches, stomachaches, toothaches, rheumatic bone pain, bruises and swelling.

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Morphological characteristics

Small tree, up to 12 meters high. The trunk and twigs are white gray or light yellowish gray, slightly shiny, and the current year's branches are green. The cross section is blunt triangular and the base is nearly arc-shaped. The leaves in the seedling stage are single leaves, followed by single leaflets and two leaflets. The grown leaves have 3-5 or even 7 leaflets; the leaflets are dark green, shiny, ovate or ovate-lanceolate, 3-7 in length. 9 cm, width 1.5-4 cm, the top is narrow and long, acuminate, sparsely short-pointed, the base is short-pointed, symmetrical on both sides or skewed on one side, entire edge, undulating, 4-8 lateral veins on each side; small petiole Less than 1 cm long. The inflorescence is axillary and terminal, usually with less than 10 flowers, and rarely as many as 50 flowers; the sepals are ovate, 2 mm long, with sparse hairs on the edges; the petals are oblanceolate or narrowly oval, up to 2 mm long. cm, slightly reflexed when in full bloom, with scattered light yellow translucent oil spots; 10 stamens, alternate in length, filaments white, linear, slightly shorter than the style, with very few oil spots in the center and top of the septum; the style is green, thin Long, with the ovary up to 12 mm, the stigma is very large, wider than or equal to the ovary, and the ovary has 2 rooms. The fruit is orange-yellow to vermilion, narrowly oval, sparsely ovate, attenuating at the top, 1-2 cm long, 5-14 mm wide, with many oily spots that are raised on the stem but sunken in the center, with 1-2 seeds. Grains; seed coat has cottony hairs. The flowering period is from April to September, and it also blooms in autumn and winter. The fruiting period is from September to December. [1]?