Description
Aristolochia hainanensis (also called Hainan Birthwort, among many other common names) is a species of flowering plant in the family Aristolochiaceae. It is a perennial herb, with a stem up to 1 m tall. It is native to China, Taiwan, and Vietnam, and is found in moist forests, thickets, and along streams.
Flower, Seeds and Seedlings
The flower of Aristolochia hainanensis is a tubular shape with a yellowish-green color. The seed is a small, dark brown, and oval-shaped. The seedlings are small, with a single stem and a pair of leaves.
Cultivation and Propagation
Aristolochia hainanensis is a perennial climbing vine that can be propagated by seed or cuttings. It prefers full sun to partial shade and well-drained soil. It is drought tolerant and can tolerate temperatures down to -10°C (14°F). It can be propagated by taking softwood cuttings in spring or semi-ripe cuttings in summer. Seeds should be sown in spring in a warm, sunny location.
Where to Find Aristolochia hainanensis
Aristolochia hainanensis is native to China and Vietnam. It can be found in Hainan, Guangdong, Guangxi, and Yunnan provinces in China, and in the northern provinces of Vietnam.