- Scientific Name: Sedum aizoon L.
- Ref: Sp. Pl.:430. 1753
- Synonym: Phedimus aizoon (L.) ‘t Hart
- English Common Name: Aizoon stonecrop
- Chinese Common Name: 费菜 fèicài, 景天三七 jǐngtiān sānqī
- Japanese Common Name: ホソバノキリンソウ [細葉の麒麟草/細葉の黄輪草] hosobanokirinsō, ヤマキリンソウ [山麒麟草] yamakirinsō
- Family: Crassulaceae
- Genus: Sedum
- Distribution: Scrub, ravine edges in valleys, grasslands on rocky slopes, sandy, sunny, and grassy places on mountains, shady places on slopes, field banks, rock crevices; 1000-3100 m. Anhui, Gansu, Hebei, Heilongjiang, Henan, Hubei, Jiangsu, Jiangxi, Jilin, Liaoning, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shandong, Shanxi, Sichuan, Zhejiang [Korea, Japan, Mongolia, Russia].
- Photo: 07/14/2008, Mt. Changbai, Jilin
Herbs perennial. Roots tuberous, carrot-shaped to narrowly conical. Rootstock short, robust. Stems 1-3, simple, erect, 20-50 cm. Leaves alternate; leaf blade narrowly lanceolate, elliptic-lanceolate, elliptic, ovate-oblanceolate, ovate, broadly ovate, or orbicular, 3.5-8 × 0.5-3 cm, base cuneate, margin irregularly serrate, apex obtuse-rounded or acuminate. Inflorescence horizontally branched, many flowered; bracts leaflike. Flowers unequally 5-merous. Sepals linear, unequal, 3-5 mm, apex obtuse. Petals yellow, oblong to elliptic-lanceolate, 6-10 mm, apex mucronate. Stamens 10, shorter than petals. Nectar scales subquadrangular, ca. 0.3 mm. Carpels ovoid-oblong, adaxially convex, base connate. Styles narrowly subulate. Follicles stellate, ca. 7 mm. Seeds ellipsoid, ca. 1 mm. Fl. Jun-Jul, fr. Aug-Sep. (Flora of China)
