爪瓣景天Sedum onychopetalum Fr?d.
爪瓣景天Sedum onychopetalum Fr?d.
93. 爪瓣景天（江苏南部种子植物手册）图版31：13-18
Sedum onychopetalum Frod., 中研丛刊3: 199. 1933; Frod. in Acta Hort.Gothob. 10: Append. : 163. f. 1315-1323. 1935; 江苏南部种子植物手册329. 图526. 1959.
多年生草本。根须状。植株无毛，带紫色。不育枝细，近直立，高2-4厘米，密生叶，叶对生或轮生。花茎数个丛生，近直立，高5-12厘米。3-4叶轮生，宽线形或披针形，长6-11毫米，宽1-1.5毫米，先端钝，基部有短距。聚伞花序蝎尾状，顶生，多花；苞片近长圆形，钝，长5毫米；花无梗；萼片5，宽线形至近长圆形，长2.5毫米，宽0.8毫米，先端钝，基部无距；花瓣5，黄色，披针形，长5毫米，宽1.2毫米，先端有短尖；雄蕊10，对瓣的长3毫米，在基部上0.5-1.8毫米着生，对萼的长4毫米；鳞片5，近四方形，长0.5毫米，宽0.4毫米，先端有微缺；心皮5，基部1毫米合生，略叉开，腹面浅囊状，全长5毫米，花柱长1毫米在内。蓇葖种子多数；种子近卵形，长0.5毫米，被微乳头状突起。花期4-5月，果期5-6月。
产江苏南京、苏州及安徽黄山。生于阴湿石上。模式标本采自南京紫金山。
《Flora of China》 Vol. 8 (2001)
Sedum onychopetalum Fr?derstr?m
爪瓣景天 zhao ban jing tian
Herbs perennial, ± purplish. Roots fibrous. Sterile shoots suberect, slender, 2-4 cm, leafy. Flowering stems several, suberect, tufted, 5-12(-22) cm. Leaves 3- or 4-verticillate; leaf blade broadly linear to lanceolate, 6-11 × 1-1.5 mm, base shortly spurred, apex obtuse. Cyme scorpioid, many flowered; bracts suboblong, ca. 5 mm, apex obtuse. Flowers sessile, unequally 5-merous. Sepals broadly linear to suboblong, ca. 2.5 × 0.8 mm, base spurless, apex obtuse. Petals yellow, lanceolate, ca. 5 × 1.2 mm, apex mucronate. Stamens 10; antesepalous ones ca. 4 mm; antepetalous ones ca. 3 mm, inserted 0.5-0.8 mm from petal base. Nectar scales subquadrangular, ca. 0.5 × 0.4 mm, apex emarginate. Carpels ca. 5 mm, base connate for ca. 1 mm, apex divergent. Styles ca. 1 mm. Follicles many seeded. Seeds subovoid, ca. 0.5 mm, minutely mammillate. Fl. Apr-May, fr. May-Jun.
* Shady moist rocks in open places; ca. 200 m. Anhui, Jiangsu, Zhejiang.
别名：佛甲草;鼠牙半枝莲;
科名：景天科 Crassulaceae
属名：景天属 Sedum
93. 爪瓣景天（江苏南部种子植物手册）图版31：13-18
Sedum onychopetalum Frod., 中研丛刊3: 199. 1933; Frod. in Acta Hort.Gothob. 10: Append. : 163. f. 1315-1323. 1935; 江苏南部种子植物手册329. 图526. 1959.
多年生草本。根须状。植株无毛，带紫色。不育枝细，近直立，高2-4厘米，密生叶，叶对生或轮生。花茎数个丛生，近直立，高5-12厘米。3-4叶轮生，宽线形或披针形，长6-11毫米，宽1-1.5毫米，先端钝，基部有短距。聚伞花序蝎尾状，顶生，多花；苞片近长圆形，钝，长5毫米；花无梗；萼片5，宽线形至近长圆形，长2.5毫米，宽0.8毫米，先端钝，基部无距；花瓣5，黄色，披针形，长5毫米，宽1.2毫米，先端有短尖；雄蕊10，对瓣的长3毫米，在基部上0.5-1.8毫米着生，对萼的长4毫米；鳞片5，近四方形，长0.5毫米，宽0.4毫米，先端有微缺；心皮5，基部1毫米合生，略叉开，腹面浅囊状，全长5毫米，花柱长1毫米在内。蓇葖种子多数；种子近卵形，长0.5毫米，被微乳头状突起。花期4-5月，果期5-6月。
产江苏南京、苏州及安徽黄山。生于阴湿石上。模式标本采自南京紫金山。
《Flora of China》 Vol. 8 (2001)
Sedum onychopetalum Fr?derstr?m
爪瓣景天 zhao ban jing tian
Herbs perennial, ± purplish. Roots fibrous. Sterile shoots suberect, slender, 2-4 cm, leafy. Flowering stems several, suberect, tufted, 5-12(-22) cm. Leaves 3- or 4-verticillate; leaf blade broadly linear to lanceolate, 6-11 × 1-1.5 mm, base shortly spurred, apex obtuse. Cyme scorpioid, many flowered; bracts suboblong, ca. 5 mm, apex obtuse. Flowers sessile, unequally 5-merous. Sepals broadly linear to suboblong, ca. 2.5 × 0.8 mm, base spurless, apex obtuse. Petals yellow, lanceolate, ca. 5 × 1.2 mm, apex mucronate. Stamens 10; antesepalous ones ca. 4 mm; antepetalous ones ca. 3 mm, inserted 0.5-0.8 mm from petal base. Nectar scales subquadrangular, ca. 0.5 × 0.4 mm, apex emarginate. Carpels ca. 5 mm, base connate for ca. 1 mm, apex divergent. Styles ca. 1 mm. Follicles many seeded. Seeds subovoid, ca. 0.5 mm, minutely mammillate. Fl. Apr-May, fr. May-Jun.
* Shady moist rocks in open places; ca. 200 m. Anhui, Jiangsu, Zhejiang.