Galarhoeus sieboldianus(C.Morren & Decne.) H.Hara (redirected from: Euphorbia hippocrepica Hemsl.)
Family: Euphorbiaceae
[Euphorbia bodinieri H.L?. & Vaniot, moreEuphorbia erythraea Hemsl., Euphorbia esquirolii H.L?. & Vaniot, Euphorbia glaucopoda Diels, Euphorbia guilielmi A.Gray, Euphorbia henryi Hemsl., Euphorbia hippocrepica Hemsl., Euphorbia kangdingensis W.T.Wang, Euphorbia kangdingensis var. puberula W.T.Wang, Euphorbia luticola Hand.-Mazz., Euphorbia oreophila Miq., Euphorbia rothiana Spreng., Euphorbia savaryi Kiss, Euphorbia sieboldiana Morren & Decne., Euphorbia sieboldiana f. idzuensis Hurus., Euphorbia sieboldiana f. peninsularis Hurus., Euphorbia sieboldiana f. sylvatica Hurus., Euphorbia sieboldiana f. yezoensis Hurus., Euphorbia sieboldiana var. idzuensis Hurus., Euphorbia sieboldiana var. montana Tatew., Euphorbia sieboldiana var. ohsumiensis (Hurus.) Hatus. ex Shimab., Euphorbia szechuanica Pax & K.Hoffm., Euphorbia taquetii H.L?. & Vaniot, Euphorbia tsukamotoi Honda, Galarhoeus sieboldianus var. idzuensis Hurus., Galarhoeus sieboldianus var. miyajimensis Hurus., Galarhoeus sieboldianus var. montanus (Tatew.) H.Hara, Galarhoeus sieboldianus var. ohsumiensis Hurus., Galarhoeus sieboldianus var. shikokianus Hurus., Galarhoeus togakusensis (Hayata) H.Hara, Tithymalus pekinensis var. acuminatus (Hurus.) H.Hara, Tithymalus siebodianus (Morren & Decne.) H.Hara, Tithymalus sieboldianus (C.Morren & Decne.) H.Hara, Tithymalus sieboldianus f. sylvaticus (Hurus.) H.Hara, Tithymalus sieboldianus var. idzuensis Hurus., Tithymalus sieboldianus var. miyajimensis Hurus., Tithymalus sieboldianus var. montanus (Tatew.) H.Hara, Tithymalus sieboldianus var. ohsumiensis Hurus., Tithymalus sieboldianus var. shikokianus Hurus., Xamesike supine (Raf.) Raf.]
Japan Flora: Glabrous perennial with slender, creeping rhizomes; stems erect, 20-40 cm. long; leaves rather loosely arranged, soft, narrowly oblong to broadly oblanceolate, 3-6 cm. long, 7-20 mm. wide, obtuse to very obtuse, gradually narrowed toward base, entire, the midrib slender and slightly raised beneath, the lateral nerves very slender, the verticillate leaves similar but slightly larger, the involucral leaves green, deltoid-ovate to ovate, sometimes deltoid, 1—4 cm. long, 8-25 mm. wide, obtuse to acute; inflorescence loose, the glands of involucres reniform, with an outward pointing caudate projection at each end, dark brown or dark purple, about 3 mm. wide; capsules about 3 mm. across, smooth; seeds broadly ovoid, about 2.3 mm. long, smooth. Apr.-July. Grassy places and thickets in lowlands and mountains.
Hokkaido, Honshu, Shikoku, Kyushu; very variable and rather common. s. Sakhalin, s. Kuriles, Korea, and Manchuria.