- Scientific Name: Trifolium lupinaster L.
- Ref: Sp. Pl.: 766. 1753
- Synonyms: Lupinaster albens Ledeb., L. albus Link, L. baicalensis (Belyaeva & Sipliv.) Roskov, L. litwinowii (Iljin) Roskov, L. pacificus (Bobrov) Latsch., L. pentaphyllus Moench, L. pentaphyllus subsp. albiflorus (Ser.) Soják, L. pentaphyllus var. albiflorus (Ser.) Bobrov, L. pentaphyllus subsp. albus (Link) Tzvelev, L. popovii Roskov, L. purpurascens Fisch. ex DC., L. romanicus (D.Brândza) Holub, Pentaphyllon lupinaster (L.) Pers., Trifolium angustifolium (Litv.) Iljin, T. baicalense Belyaeva & Sipliv., T. ciswolgense Sprygin ex Iljin & Trukh., T. dimidiatum Salisb., T. litwinowii Iljin, T. lupinaster subsp. popovii (Roskov) Kamelin, T. lupinaster var. pumilum Popov, T. lupinastrum St.-Lag., T. pacificum Bobrov, T. popovii (Roskov) Gubanov & Kamelin, T. spryginii Belyaeva & Sipliv.
- English Common Name: Siberian clover
- Chinese Common Name: 野火球 yěhuǒqiú, 野火荻 yěhuǒdí
- Japanese Common Name: シャジクソウ [車軸草] shajikusō
- Family: Fabaceae
- Genus: Trifolium
- Distribution: Forest margins, hillsides, grasslands, moist lowlands. Hebei, Heilongjiang, Jilin, Liaoning, Nei Mongol, Shanxi, Xinjiang [Japan, Korea, Mongolia, Russia; E Europe].
- Photo: 07/16/2008, Mt. Changbai, Jilin
Perennial herbs, glabrous to slightly pubescent. Stems erect, 30-60 cm, unbranched or branched above. Leaves palmately (3-)5(-9)-foliolate; stipules adnate to petiole for most of their length, membranous, apex long triangular; petiolule ca. 1 mm; leaflets lanceolate to linear-oblong, 25-50 × 5-16 mm, lateral veins 50 or more pairs, running to serrulate margin, base narrowly cuneate, apex acute or obtuse. Flowers 20-35, in terminal or axillary heads subtended by a membranous, caducous involucre; peduncle 1-3(-5) cm. Calyx 6-10 mm, sparsely pubescent, veins 10; teeth filiform, 1-2 × length of tube. Corolla purple or white, (10-)12-20 mm. Ovary stipitate, glabrous; ovules 5-9. Legume gray-brown, oblong, 6-10 × 2-3 mm; style persistent. Seeds (2 or)3-9, brown, ovoid, 1.5-2 mm, smooth. Fl. and fr. Jun-Oct. (Flora of China)
