Northeastern Asian Flora
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Chrysosplenium macrostemon Maxim. ex Franch. & Sav.   (redirected from: Chrysosplenium discolor Franch. & Sav.)
Family: Saxifragaceae
[Chrysosplenium calcitrapa Franch., moreChrysosplenium discolor Franch. & Sav., Chrysosplenium discolor var. shiobarense (Franch.) Suto, Chrysosplenium discolor var. viridescens Suto, Chrysosplenium macrostemon var. atrandrum H.Hara, Chrysosplenium macrostemon var. calicitrapa (Franch.) H.Hara, Chrysosplenium macrostemon var. shiobarense (Franch.) H.Hara, Chrysosplenium macrostemon var. viridescens (Suto) H.Hara, Chrysosplenium shiobarense Franch., Chrysosplenium viridescens (Suto) Suto ex H.Hara, Chrysosplenium viridescens f. iodandntm Araki]
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  • Japan Flora
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Japan Flora: Stems 5-15 cm. long; stolons elongate after anthesis; radical leaves often persistent at anthesis, long-petiolate, broadly ovate, 1-2.5 cm. long, 0.8-2 cm. wide, with incurved teeth; leaves of stolons ovate-orbicu¬lar to ovate-elliptic, 5-40 mm. long, 4-35 mm. wide; flowers rather numerous, yellow-green; calyx-lobes nearly erect at anthesis, elliptic, 1-1.8 mm. long; stamens longer than the calyx-lobes, 2-3 mm. long, the anthers yellow; capsules as¬cending, the valves unequal; seeds about 0.8 mm. long, longi¬tudinally ribbed with a series of clavate tubercles on the ribs. Mar.-May.

Honshu (Kanto Distr. and westw.), Shikoku, Kyushu.


Var. atrandrum Hara. Flowers with dark-colored anthers. Occurs with the typical phase.


Var. shiobarense (Franch.) Hara. Radical leaves usually withering before anthesis; stolons much-elongate at anthe¬sis, with smaller, orbicular leaves; anthers red-purple, rarely yellow. Apr-May.

Honshu (Kanto Distr. and westw.), Shikoku, Kyushu.

Chrysosplenium macrostemon
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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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