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 macrostemon var. shiobarense / Nikkounekonome ニッコウネコノメ

Chrysosplenium macrostemon var. shiobarense is a perennial herb found in wet places along valleys in mountainous regions. Its stems measure 4-18cm in height. Leaves are opposite, with serrations on the upper margins. Calyx lobes are yellow-green and open flat in flowering time. The eight stamens are long, and the anthers on their tops are dark red-purple. Bloom time: April-May.