Umegasasou (Plum-flowered grass) - Umegasasou (English spelling) Chimaphila japonica

Japanese: ウメガサソウ(梅笠草) - ウメガサソウ（英語表記）Chimaphila japonica

An evergreen perennial plant of the family Prunaceae. It is found throughout Japan, Sakhalin, the southern Kuril Islands, Taiwan, and the eastern part of the Asian continent, and grows in low mountain and coastal forests. The stem is 5-10 cm tall. The leaves are arranged in whorls of 2-3, are oblong, 1.5-3 cm long, 6-10 mm wide, hard, shiny, and have sharp sawtooth edges. The flowering season is June-July, and the inflorescence grows 4-8 cm tall at the end of the stem, with fine protuberances and 1-3 bracts at the top. There are 1-2 flowers, 1 cm in diameter, white, and they bloom slightly downward at first. The calyx has 5 lobes, 10 stamens, the base of the filaments is swollen and hairy, and the anthers have holes at the top from which pollen is released. The fruit is oblate. The Japanese name comes from the fact that the flowers are downward-facing, similar to those of the plum.

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:

イチヤクソウ科の常緑多年草。日本全土，サハリン，南千島，台湾，アジア大陸東部に分布し，低山地や海岸の林中に生える。茎は高さ5～10cm。葉は2～3枚ずつ輪生し，長楕円形で長さ 1.5～3cm，幅6～10mm，硬くて光沢があり縁にとがった鋸歯をもつ。花期は6～7月で，茎の先に高さ4～8cmの花序が伸び，細かい突起毛と上方に1～3枚の包葉がある。花は1～2個，径 1cmで白色，初めやや下向きに咲く。萼は5裂，おしべは 10本で花糸の基部はふくれて毛が生え，葯 (やく) は頂に穴があいて花粉を出す。果実は扁球形。和名は花形がウメに似て下向きにつくことによる。

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