Notes For Reference:-

Species, Varieties, or Forms in the Genus Chrysosplenium:

Chrysosplenium album / Shirobananekonomesou
Chrysosplenium echinus / Iwanekonomesou
Chrysosplenium fauriei / Hokurikunekonomesou
Chrysosplenium fauriae f. ferruginiflorum / San'innekonome
Chrysosplenium flagelliferum / Tsurunekonomesou
Chrysosplenium grayanum / Nekonomesou
Chrysosplenium japonicum / Yamanekonomesou
Chrysosplenium kiotense / Botannekonomesou
Chrysosplenium kiotense f. xanthandrum / Kinshibebotannekonomesou
Chrysosplenium macrostemon / Iwabotan
Chrysosplenium macrostemon var. shiobarense / Nikkounekonome
Chrysosplenium nagasei var. nagasei / Hidabotan
Chrysosplenium pilosum / Koganenekonomesou
Chysosplenium tosaense / Tachinekonomesou

Chrysosplenium japonicum / Yamanekonomesou ヤマネコノメソウ

Chrysosplenium japonicum, a perennial of 10-20cm in height found in damp forests, wears long white hairs and sends out no runners. Flowers: calyx lobes open flat, stamens numbering 4 or 8 in all, with yellow anthers. Leave-on-stems, 1-2 in number, are of alternate phyllotaxis, each in a roundish kidney shape, 1-3cm long, with flat serrations on the margins. Flower stalks bear hairy propagules at the bases. Bloom time: March-April.