| Family | EUPHORBIACEAE |
| Genus species | Euphorbia jolkini Boiss. |
| Bibliography | Cent. Euphorb.: 32 (1860) |
| Native Range | sc. China, Temp. East Asia |
| Primary Biome | Temperate |
| Habitat | grassland |
| Altitude | 200-3300m |
| Description | leaves sessile, ovate-oblong to elliptic, 1-4cm, obtuse, abaxially pale green, entire, primary involucral bracts 5-7, elliptic to broadly ovate, cyathium solitary |
| Size | 50-70cm |
| Color | yellow |
| Bloom | summer |
| Ca | + |
| Type | perennial |
| Cultivation | mesic, slightly humous, sunny site alpine house, moist, rich, drained soil, sun |
| Propagation | seed in winter, germ. 1-3 months, 18-21°C division in spring; cuttings in late spring and late summer |
| Synonyms | Dichrophyllum jolkinii (Boiss.) F.C.Ho Euphorbia calonesiaca Croizat Euphorbia formosana Hayata Euphorbia japonica Siebold ex Boiss. Euphorbia jolkinii f. insularis (Hurus.) Oudejans Euphorbia nematocypha Hand.-Mazz. Euphorbia nematocypha f. insularis (Hurus.) Oudejans Euphorbia regina H.Lév. Euphorbia shouanensis H.Keng Galarhoeus calonesiacus (Croizat) H.Hara Galarhoeus formosanus (Hayata) H.Hara Galarhoeus formosanus var. hayatae Hurus. Galarhoeus jolkinii (Boiss.) H.Hara Galarhoeus jolkini f. insularis Hurus. Galarhoeus nematocypha (Hand.-Mazz.) Hurus. Galarhoeus shouanensis (H.Keng) Hurus. Tithymalus calonesiacus (Croizat) S.S.Ying Tithymalus formosanus (Hayata) S.S.Ying Tithymalus jolkinii (Boiss.) H.Hara Tithymalus shouanensis (H.Keng) S.S.Ying |
| Territory | 3 Asia-Temperate 36 China (CHC China South-Central) 38 Eastern Asia (JAP Japan, KOR Korea, NNS Nansei-shoto, TAI Taiwan) |