Northeastern Asian Flora
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Euphorbia jolkinii Boiss.   (redirected from: Euphorbia calonesiaca Croizat)
Family: Euphorbiaceae
[Dichrophyllum jolkinii (Boiss.) F.C.Ho, moreEuphorbia calonesiaca Croizat, Euphorbia formosana Hayata, Euphorbia japonica Boiss., Euphorbia nematocypha Hand.-Mazz., Euphorbia nematocypha var. induta Hand.-Mazz., Euphorbia orientalis L., Euphorbia regina H.L?v., Euphorbia shouanensis H.Keng, Galarhoeus jolkinii (Boiss.) H.Hara, Galarhoeus jolkinii f. insularis Hurus., Tithymalus jolkinii (Boiss.) H.Hara]
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  • Japan Flora
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Japan Flora: Glabrous perennial; stems erect, thick, terete, 40-80 cm, long, often branched at base; leaves numerous, rather dense, oblanceolate to linear-oblanceolate, 4-7 cm. long, 8-12 mm. wide, rounded to very obtuse at apex, entire and gradu­ally narrowed toward the base, green, the midrib prominently raised beneath, the verticillate leaves similar, the involucral leaves oblong or elliptic, 1-2 cm. long, 6-12 mm. wide, yellow­ish; glands of involucres transversely flabellate-elliptic, yellow­ish, depressed; capsules densely tuberculate, about 6 mm. across; seeds subglobose, about 3 mm. long, smooth. Apr.-May. Rocky places near seashores.

Honshu (Awa Prov. and weshv.), Shikoku, Kyushu.  s. Korea, Ryukyus, and Formosa.

Euphorbia jolkinii
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Development supported by College of Agriculture and Life Sciences of Seoul
National University and Korea National Arboretum of Korea Forest Service.
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