Aristolochia tubulosa, also known as Xiaoxue, will ooze reddish juice after its twigs and petioles are broken.

Aristolochiaceae genus

Aristolochiaceae, Aristolochia

Aristolochia tubular alias

A little blood, lamiophlomis rotata, red and white medicine.

Geographical distribution of Aristolochia tubulosa

Originated in Henan, Hubei, Hunan, Sichuan and other places, it is now widely distributed in southern China.

Morphological characteristics of Aristolochia tubulosa

Aristolochia tubulosa is a herbaceous vine; Roots slender cylindrical, yellow-brown; The stem is hairless and has grooves after drying; After the twigs and petioles of Aristolochia tubulosa are broken, reddish juice will ooze. The leaves are papery or membranous, egg-shaped, heart-shaped, slightly blunt at the top, shallow heart-shaped at the base, drooping lobes at both sides, and the leaves are entire. The upper surface is dark green, the lower surface is light green or pink green, and the surface of the leaves is often densely dotted with stars. The capsule is brown and rectangular, and the fruit stalk will split into 6 pieces with the fruit; The seeds are oval, with convex points on the back and concave ridges on the ventral surface.

Growth habit of Aristolochia tubulosa

Aristolochia tubulosa mostly grows in cool and humid places under the forest. The flowers of Aristolochia tubulosa can smell carrion to attract insects. After entering the flower tube, it will be difficult to get out because of the hair inside the flower. When the pollen matures, it will be scattered on the back of insects. At this time, the hair will shrink and insects will fly out to pollinate.