长白卷耳Cerastium baischanense Y. C. Chu

科名：石竹科 Caryophyllaceae

属名：卷耳属 Cerastium

《中国植物志》第26卷090页
  16．长白卷耳（东北草本植物志）
  Cerastium baischanense Y. C. Chu in Fl. Pl. Herb. Chin. Bor. -Orient. 3: 12. tab. 4. fig. 1-4. Addenda 227. 1975.
  多年生草本，高6-20厘米，全株密被开展柔毛。茎丛生，细弱，稍上升。茎下部叶叶片倒披针形，较小，顶端急尖，基部渐狭成短柄，两面及边缘均被疏柔毛；中上部茎生叶较大，叶片披针形或线状披针形，长1.3-2厘米，宽2-4毫米，顶端急尖，基部楔形，中脉明显，叶腋具不育短枝。聚伞花序顶生，具3-5朵花；苞片草质，宽披针形，顶端急尖，被疏柔毛；花梗长4-15毫米，密被开展的毛；萼片长圆状披针形或近长圆形，长4-5毫米，顶端钝，外面被疏柔毛，边缘膜质；花瓣白色，比萼片稍长，长圆状倒卵形，长5-5.5毫米，宽2-2.5毫米，顶端2裂，达花瓣1/5-1/4处，基部楔形，无毛；雄蕊10，比花瓣短，花丝无毛；花柱5。蒴果圆柱形，长8-10毫米，10齿裂，裂齿直立；种子宽卵形，稍扁，长0.7-0.8毫米，被疣状凸起。花期6-8月，果期7-8月。
  产吉林。生于高山冻原或温泉附近的多石质火山口湖一带。模式标本采自吉林安图。

《Flora of China》 Vol. 6 (2001)
Cerastium baischanense  Y. C. Chu
长白卷耳   chang bai juan er
Herbs perennial, 6--20 cm tall, densely pubescent. Stems caespitose, ascending, slender. Proximal leaves oblanceolate, small, pilose, base attenuate into a short petiole, apex acute; middle and distal leaves lanceolate or linear-lanceolate, larger, 1.3--2 cm × 2--4 mm, midvein conspicuous, base cuneate, apex acute; leaf axils with dwarf, sterile shoots. Cyme terminal, 3--5-flowered; bracts leaflike, broadly lanceolate, pilose, apex acute. Pedicel 4--15 mm, densely spreading hairy. Sepals oblong-lanceolate or suboblong, 4--5 mm, abaxially pilose, margin membranous, apex obtuse. Petals white, oblong-obovate, 5--5.5 × 2--2.5 mm, slightly longer than sepals, 2-lobed for 1/5--1/4 their length. Stamens 10, shorter than petals. Styles 5. Capsule cylindric, 8--10 mm, 10-toothed, teeth erect. Seeds broadly ovoid, slightly compressed, tuberculate. Fl. Jun--Aug, fr. Jul--Aug.
* Alpine tundra, moist stony slopes, near hot springs; ca. 1700 m. S Jilin (Changbai Shan).