盘状雪灵芝Arenaria polytrichoides

盘状雪灵芝Arenaria polytrichoides

盘状雪灵芝Arenaria polytrichoides

盘状雪灵芝Arenaria polytrichoides

盘状雪灵芝Arenaria polytrichoides
中文名(Chinese Name):盘状雪灵芝
学名(Scientific Name):Arenaria polytrichoides Edgew.
英文名(English Common Name):
别名(Chinese Common Name):团状雪灵芝、团状福禄草
异名(Synonym):
科属(Family & Genus):石竹科(Caryophyllaceae)无心菜属
形态特征(Description):多年生垫状草本,呈半球形,高2.5-11厘米,直径10-15厘米。主根粗壮,木质化。茎圆柱形,紧密丛生,基部木质化,除顶部外,枝上枯叶密集,几成坚硬实体。叶片钻形,长0.5-1厘米,宽不足1毫米,密集成覆瓦状排列,基部较宽,膜质,抱茎,边缘较厚,近基部被疏缘毛,上面凹入,下面凸起,顶端具硬尖,基部以上向外反曲。花单生枝端,无梗;苞片披针形,长2.5-3毫米,宽约1毫米,基部较宽,呈膜质鞘状,抱茎,边缘反卷而成硬边,顶端具刺状尖头;萼片5,宽椭圆形、卵状椭圆形或卵形,长约3毫米,基部较宽,顶端钝,具不明显的3脉;花瓣5,白色,宽倒卵形或倒卵形,长于萼片;花盘盃状,具5个深色腺体;雄蕊10,花丝扁线形,长约1.5毫米,花药黄色;子房卵圆形或倒卵形,长约1毫米,花柱3,长约1毫米。蒴果卵圆形,长约1.5毫米,3瓣裂,裂瓣顶端2裂;种子椭圆形,微具棱,黑褐色。花期6-7月,果期8-9月。
分布(Distribution):产云南、青海、四川及西藏等地,生于海拔3500-4600米的高山草地上。
用途(Use):
引自中国植物志英文版FOC Vol. 6 Page 52
Arenaria polytrichoides Edgeworth, Fl. Brit. India. 1: 237. 1874.
团状福禄草 tuan zhuang fu lu cao| Caryophyllaceae  | Arenaria
Herbs perennial. Principal roots robust, woody. Stems densely clustered, 2.5--11 cm, forming hemispheric cushions 1--1.5 cm in diam.; branches cylindric, woody at base, with congested, withered, persistent leaves along their length. Leaves imbricate; leaf blade subulate, 5--10 × ca. 1 mm, veins raised abaxially, impressed adaxially, base broadened, clasping, membranous, margin involute distally, thickened, sparsely ciliate near base, apex cuspidate. Flower solitary, terminal, sessile; bracts lanceolate, 2.5--3 × ca. 1 mm, base broadened, clasping, forming a membranous sheath, margin reflexed, hard, apex spinose. Sepals 5, ovate, ovate-elliptic, or broadly elliptic, ca. 3 mm, obscurely 3-veined, base broadened, apex obtuse. Petals 5, white, ovate or broadly obovate, slightly longer than sepals. Floral disc patellate, with 5 dark glands. Stamens 10; filaments ca. 1.5 mm; anthers yellow. Ovary ovoid or obovoid, ca. 1 mm. Styles 3, ca. 1 mm. Capsule ovoid, ca. 1.5 mm, 3-valved; valves 2-cleft at apex. Seeds ellipsoid, black-brown, slightly ridged. Fl. Jun--Jul, fr. Aug--Sep.
* Alpine meadows, shifting screes; 3500--5300 m. SE Qinghai, W Sichuan, Xizang.

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