细小景天Sedum subtile

中文名(Chinese Name):细小景天
学名(Scientific Name):Sedum subtile Miq.
英文名(English Common Name):
别名(Chinese Common Name):姬莲花
异名(Synonym):Sedum wannanense var. incarnatum X. H. Guo, X. P. Zhang et X. H. Chen  Sedum wannanense X. H. Guo, X. P. Zhang et X. H. Chen  Sedum subtile subsp. chinense H. Ohba
科属(Family & Genus):景天科(Crassulaceae)景天属
形态特征(Description):多年生草本。茎绿色,分枝多。花茎高5-10厘米,下部有不育枝着生,叶对生或3-5叶轮生,倒卵形,长5-15毫米,宽3-5毫米;花茎上部的叶互生,倒披针状线形,长5-20毫米,宽1-2毫米,先端钝。花序聚伞状,有2-3分枝,花疏生,每枝上有3至数花,苞片线形;萼片5,狭披针形至宽线形,长3-7毫米,不等长,先端钝,基部有短距;花瓣5,黄色,宽披针形,长约5毫米,先端尖,雄蕊10,对萼的长4毫米,对瓣的着生在基部稍上处;鳞片5,宽楔形,长0.4毫米,宽0.5毫米,先端截形;心皮5,直立,披针形,基部2毫米合生,全长5毫米,花柱细,长2毫米在内。蓇葖成熟时星芒状展开。花期4-6月。
分布(Distribution):产江西、江苏,生于低山山地阴湿石上。日本也有。
用途(Use):
引自中国植物志英文版FOC Vol. 8 Page 246
Sedum subtile Miquel, Ann. Mus. Bot. Lugduno-Batavi. 2: 156. 1865.
细小景天 xi xiao jing tian | Crassulaceae  | Sedum
Herbs perennial. Sterile shoots arising from base. Flowering stems 5-10 cm. Proximal stem leaves opposite or 3-6-verticillate; leaf blade obovate, 5-15 × 3-5 mm. Distal stem leaves alternate; leaf blade oblanceolate-linear, 5-20 × 1-2 mm, apex obtuse. Cyme 2- or 3-branched, lax; branches 3- to several flowered; bracts linear. Flowers unequally 5-merous. Sepals broadly linear to narrowly lanceolate, unequal, 3-7 mm, base shortly spurred, apex obtuse. Petals yellow, broadly lanceolate, ca. 5 mm, apex acute. Stamens 10; antesepalous ones ca. 4 mm; antepetalous ones inserted slightly above petal base. Nectar scales broadly cuneate, ca. 0.4 × 0.5 mm, apex truncate. Carpels erect, lanceolate, ca. 5 mm, base connate for ca. 2 mm. Styles slender, ca. 2 mm. Follicles stellately divergent at maturity. Fl. Apr-Jun, fr. Jul-Aug.
Shady moist rocks on low mountains; 1000-1500 m. Jiangsu, Jiangxi, Shanxi [Vietnam].
The plants from China have also been treated as Sedum subtile subsp. chinense H. Ohba (J. Jap. Bot. 61: 227. 1986). Sedum wannanense X. H. Guo et al. (Acta Bot. Yunnan. 21: 25. 1999) and S. wannanense var. incarnatum X. H. Guo et al. (loc. cit.: 26), both described from SE Anhui (Ningguo Xian), may possibly be synonymous with S. subtile.
细小景天Sedum subtile

细小景天Sedum subtile

细小景天Sedum subtile

(责任编辑:徐晔春)

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