Enkianthus

...A deciduous shrub of the Ericaceae family that grows mainly on serpentine in mountainous areas (illustration). It spreads horizontally with many branchlets that branch out into a ring, reaching a height of 1-3m. The leaves are oblanceolate with pointed tips, 2-4cm long and 1-1.5cm wide. In April, 2-4 white, urn-shaped flowers with slender stalks open downward at the ends of the branches. The corolla is about 8mm long and has 5 shallow lobes at the end. There are 10 stamens. The anthers have two horn-like projections at the end, which open at the tip. The capsule faces upward, is narrowly oblong, about 8mm long, and has 5 lobes. ...

*Some of the terminology explanations that mention "Enkianthus" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…山地のおもに蛇紋岩の上に生えるツツジ科の落葉低木（イラスト）。輪状に分枝する多くの小枝をだして横に広がり，高さ1～3m。葉は倒披針形で先がとがり，長さ2～4cm，幅1～1.5cm。4月，枝先に細長い柄をもつ白色でつぼ形の花が2～4個，下向きに開く。花冠は長さ約8mm，先は浅く5裂する。おしべ10本。葯の先に2本の角状突起があり，先端で開孔する。蒴果（さくか）は上向きにつき，狭長楕円形で長さ約8mm，5裂する。…

※「Enkianthus」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報