Lysimachia laxa Baudo

Herbs erect, to 60 cm tall, with numerous fibrous roots. Stems distinctly quadrangular, to 7 mm in diam., woody at base, usually many branched. Leaves alternate, subsessile or petiole to 1 cm; leaf blade lanceolate to elliptic-lanceolate, 3--11 X 0.5--2.8 cm, tapering to both ends, becoming yellowish brown when dry, abaxially glabrous, minutely brownish glandular, adaxially ± setulose; midvein and veins prominent; veinlets conspicuously reticulate. Pedicel 2--4 cm. Flowers solitary, in axils of medial and upper leaves. Calyx lobes ovate-elliptic, 3--4 mm, margin submembranous, often stalked glandular, apex acuminate; veins 7--9. Corolla yellow, 6--8 mm, deeply parted; tube ca. 2 mm; lobes elliptic-obovate, apex obtuse. Filaments connate basally into a ca. 0.5 mm high ring, free parts ca. 2.3 mm, flattened; anthers 2.5--3 mm, basifixed, opening by lateral slits. Style ca. 3 mm. Capsule slightly depressed-globose, ca. 5 mm in diam., 5-valved to base.

S Yunnan [India, Indonesia (Java, Sumatra), Myanmar, Nepal, Sri Lanka, Thailand, Vietnam].

* Mixed forests; 1000--2100 m.

Lysimachia ramosa Wallich ex Duby.

Lysimachia laxa là một loài thực vật có hoa trong họ Anh thảo. Loài này được Baudo mô tả khoa học đầu tiên năm 1843.

多枝香草（学名：Lysimachia laxa）为报春花科珍珠菜属的植物。分布于泰国、印度尼西亚、孟加拉国、印度、斯里兰卡、缅甸、越南以及中国大陆的云南等地，生长于海拔1,000米至2,100米的地区，多生在混交林下，目前尚未由人工引种栽培。