纯叶瓦松Orostachys malacophylla

中文名(Chinese Name):纯叶瓦松
学名(Scientific Name): Orostachys malacophylla (Pall.) Fisch.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):
科属(Family & Genus):景天科Crassulaceae瓦松属Orostachys
形态特征(Description):二年生草本。第一年植株有莲座丛;莲座叶先端不具刺,先端钝或短渐尖,长圆状披针形、倒卵形、长椭圆形至椭圆形,全缘。第三年自莲座丛中抽出花茎,花茎高10-30厘米。茎生叶互生,近生,较莲座叶为大,长达7厘米,钝。花序紧密,总状,有时穗状,有时有分枝;苞片匙状卵形,常啮蚀状,上部的短渐尖;花常无梗;萼片5,长圆形,长3-4毫米,急尖;花瓣5,白色或带绿色,长圆形至卵状长圆形,长4-6毫米,边缘上部常带啮蚀状,基部1-1.4毫米合生;雄蕊10,较花瓣长,花药黄色;鳞片5,线状长方形,长0.3毫米,先端有微缺,心皮5,卵形,长4.5毫米,两端渐尖,花柱长1毫米。种子卵状长圆形,长0.8毫米,有纵条纹。花期7月,果期8-9月。
分布(Distribution):产河北、内蒙古、辽宁、吉林、黑龙江。生于海拔1200-1800米的岩石缝中。朝鲜、蒙古、苏联西伯利亚地区也有。
用途(Use):
引自中国植物志英文版: FOC Vol. 8 Page 207
Orostachys malacophylla (Pallas) Fischer, Mém. Soc. Imp. Naturalistes Moscou. 2: 274. 1809.
钝叶瓦松 dun ye wa song | Crassulaceae  | Orostachys
Rosette 4-15 cm in diam.; rosette leaves oblong, oblong-lanceolate, obovate, or elliptic, 1.5-7 × 1-3 cm, margin entire, apex obtuse to shortly acuminate, apical spine absent. Stem leaves to 7 cm, usually longer than rosette leaves, apex obtuse. Inflorescence racemose or sometimes spicate and branched, dense, 10-30 cm; bracts spatulate-ovate, margin often erose, apex shortly acuminate (apically on inflorescence). Flowers often sessile. Sepals oblong, 3-4 mm, apex acute. Petals white or greenish, oblong to ovate-oblong, 4-6 mm, base connate for 1-1.4 mm, margin often erose. Stamens longer than petals; anthers yellow. Nectar scales linear-lanceolate, apex emarginate. Carpels ovoid, ca. 4.5 mm, tapered toward both ends. Styles ca. 1 mm. Seeds ovoid-oblong, longitudinally striate. Fl. Jul, fr. Aug-Sep.
Rock crevices; 1200-1800 m. Hebei, Heilongjiang, Jilin, Liaoning, Nei Mongol [Japan, Korea, Mongolia, Russia].
纯叶瓦松Orostachys malacophylla

纯叶瓦松Orostachys malacophylla

纯叶瓦松Orostachys malacophylla(责任编辑:徐晔春)

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