圆叶景天Sedum makinoi

中文名(Chinese Name):圆叶景天
学名(Scientific Name): Sedum makinoi Maxim.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Sedum alfredii var. makinoi (Maxim.) Frád.
科属(Family & Genus):景天科Crassulaceae景天属Sedum
形态特征(Description):多年生草本,高15-25厘米。茎下部节上生根,上部直立,无毛。叶对生,倒卵形至倒卵状匙形,长17-20毫米,宽6-8毫米,先端钝圆,基部渐狭,入于假叶柄,基部有短距。聚伞状花序,宽8-18厘米,花枝二歧分枝;苞片与叶同形而小;花无梗;萼片5,线状匙形,长2-3毫米,宽0.7-0.8毫米,钝,基部有短距;花瓣5,黄色,披针形,长4.5毫米,宽1.2毫米,钝渐尖;雄蕊10,对瓣的较花瓣为短,对萼的与花瓣稍同长;鳞片5,长方状匙形,长0.6毫米,心皮5,披针形,长5毫米,基部1毫米合生,花柱长1毫米。蓇葖斜展,种子细小,卵形,有微乳头状突起。花期6-7月。
分布(Distribution):安徽黄山及渐江四明山。生于低山山谷林下阴湿处。日本也有。
用途(Use):
引自中国植物志英文版:FOC Vol. 8 Page 248
Sedum makinoi Maximowicz, Bull. Acad. Imp. Sci. Saint-Pétersbourg. sér. 3. 32: 487. 1888.
圆叶景天 yuan ye jing tian | Crassulaceae  | Sedum
Sedum alfredii Hance var. makinoi (Maximowicz) Fröderström.
Herbs perennial. Stems basally prostrate and rooting at nodes, apically erect, 15-25 cm. Leaves opposite, pseudopetiolate; leaf blade obovate to obovate-spatulate, 1.7-2 × 0.6-0.8 cm, base tapered and shortly spurred, apex obtuse. Cyme 2-branched, 8-18 cm in diam.; bracts resembling stem leaves but smaller. Flowers sessile, unequally 5-merous. Sepals linear-spatulate, 2-3 × 0.7-0.8 mm, base shortly spurred, apex obtuse. Petals yellow, lanceolate, ca. 4.5 × 1.2 mm, apex obtusely acuminate. Stamens 10; antesepalous ones subequaling petals; antepetalous ones shorter than petals. Nectar scales oblong-spatulate, ca. 0.6 mm. Carpels lanceolate, ca. 5 mm, base connate for ca. 1 mm. Styles ca. 1 mm. Follicles obliquely divergent. Seeds ovoid, small, minutely mammillate. Fl. Jun-Jul.
Shady moist forests in low mountain valleys. Anhui, Zhejiang [Japan].
圆叶景天Sedum makinoi

圆叶景天Sedum makinoi
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