小丛红景天Rhodiola dumulosa

中文名(Chinese Name):小丛红景天
学名(Scientific Name):Rhodiola dumulosa  (Franch.) S. H. Fu
英文名(English Common Name):
别名(Chinese Common Name):凤尾草、雾灵景天
异名(Synonym):Chamaerhodiola wulingensis Nakai  Chamaerhodiola dumulosa (Franch.) Nakai  Sedum dumulosum Franch.  Sedum talihsiense Fröd.  Sedum wulingense (Nakai) Kitag.  Sedum rariflorum N. E. Br.  Sedum dumulosum var. rendleri (Raym.-Hamet) Frodin  Sedum rendleri W. W. Sm.
科属(Family & Genus):景天科(Crassulaceae)红景天属
形态特征(Description):多年生草本。根颈粗壮,分枝,地上部分常被有残留的老枝。花茎聚生主轴顶端,长5-28厘米,直立或弯曲,不分枝。叶互生,线形至宽线形,长7-10毫米,宽1-2毫米,先端稍急尖,基部无柄,全缘。花序聚伞状,有4-7花;萼片5,线状披针形,长4毫米,宽0.7-0.9毫米,先端渐尖,基部宽;花瓣5,白或红色,披针状长圆形,直立,长8-11毫米,宽2.3-2.8毫米,先端渐尖,有较长的短尖,边缘平直,或多少呈流苏状;雄蕊10,较花瓣短,对萼片的长7毫米,对花瓣的长3毫米,着生花瓣基部上3毫米处;鳞片5,横长方形,长0.4毫米,宽0.8-1毫米,先端微缺;心皮5,卵状长圆形,直立,长6-9毫米,基部1-1.5毫米合生;种子长圆形,长1.2毫米,有微乳头状突起,有狭翅。花期6-7月,果期8月。
分布(Distribution):产四川、青海、甘肃、陕西、湖北、山西、河北、内蒙古、吉林,生于海拔1600-3900米的山坡石上。
用途(Use):根颈药用,有补肾、养心安神、调经活血、明目之效。
引自中国植物志英文版FOC Vol. 8 Page 256
Rhodiola dumulosa (Franchet) S. H. Fu, Acta Phytotax. Sin., Addit. 1: 119. 1965.
小丛红景天 xiao cong hong jing tian| Crassulaceae  | Rhodiola
Sedum dumulosum Franchet, Nouv. Arch. Mus. Hist. Nat., sér. 2, 6: 9. 1883; Chamaerhodiola dumulosa (Franchet) Nakai; C. wulingensis Nakai; Sedum dumulosum var. rendleri (Raymond-Hamet) Fröderström; S. farreri Raymond-Hamet; S. rariflorum N. E. Brown; S. rendleri Raymond-Hamet; S. talilhsiense Fröderström; S. wulingense (Nakai) Kitagawa.
Caudex branched, robust; persistent old flowering stems present as remnants. Flowering stems aggregated apically on caudex, simple, erect or curved, 5-28 cm. Stem leaves alternate, sessile, linear to broadly so, 7-10 × 1-2 mm, margin entire, apex subacute. Inflorescences cymose, 4-7-flowered. Flowers unequally 5-merous. Sepals linear-lanceolate, ca. 4 × 0.7-0.9 mm, base broad, apex acuminate. Petals erect, white or red, lanceolate-oblong, 8-11 × 2.3-2.8 mm, margin entire or sparsely fimbriate, apex acuminate and long mucronate. Stamens 10, shorter than petals; antesepalous ones ca. 7 mm; antepetalous ones ca. 3 mm, inserted ca. 3 mm from petal base. Nectar scales transversely oblong, apex emarginate. Carpels erect, ovoid-oblong, 6-9 mm, base connate for 1-1.5 mm. Seeds oblong, finely mammillate, narrowly winged. Fl. Jun-Jul, fr. Aug.
Rocks on slopes; 1600-4100 m. Gansu, Hebei, Hubei, Jilin, Nei Mongol, Qinghai, Shaanxi, Shanxi, Sichuan, Yunnan [Bhutan, Myanmar].

小丛红景天Rhodiola dumulosa
小丛红景天Rhodiola dumulosa

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