谷精草Eriocaulon buergerianum

中文名(Chinese Name):谷精草
学名(Scientific Name):Eriocaulon buergerianum Koern.
英文名(English Common Name):
别名(Chinese Common Name):连萼谷精草、珍珠草
异名(Synonym):Eriocaulon chishingsanensis C. E. Chang  Eriocaulon pachypetalum Hayata  Eriocaulon whangii Ruhland
科属(Family & Genus):谷精草科(Eriocaulaceae)谷精草属
形态特征(Description):草本。叶线形,丛生,半透明,具横格,长4-10(-20)的厘米,中部宽2-5毫米,脉7-12(-18)条。花葶多数,长达25(-30)厘米,粗0.5毫米,扭转,具4-5棱;鞘状苞片长3-5厘米,口部斜裂;花序熟时近球形,禾秆色,长3-5毫米,宽4-5毫米;总苞片倒卵形至近圆形,禾秆色,下半部较硬,上半部纸质,不反折,长2-2.5毫米,宽1.5-1.8毫米,无毛或边缘有少数毛,下部的毛较长;总(花)托常有密柔毛;苞片倒卵形至长倒卵形,长1.7-2.5毫米,宽0.9-1.6毫米,背面上部及顶端有白短毛;雄花:花萼佛焰苞状,外侧裂开,3浅裂,长1.8-2.5毫米,背面及顶端多少有毛;花冠裂片3,近锥形,几等大,近顶处各有1黑色腺体,端部常有2细胞的白短毛;雄蕊6枚,花药黑色,雌花:萼合生,外侧开裂,顶端3浅裂,长1.8-2.5毫米,背面及顶端有短毛,外侧裂口边缘有毛,下长上短;花瓣3枚,离生,扁棒形,肉质,顶端各具1黑色腺体及若干白短毛,果成熟时毛易落,内面常有长柔毛;子房3室,花柱分枝3,短于花柱。种子矩圆状,长0.75-1毫米,表面具横格及T字形突起。花果期7-12月。
分布(Distribution):产江苏、安徽、浙江、江西、福建、台湾、湖北、湖南、广东、广西、四川、贵州等省区。生于稻田、水边。日本也有。
用途(Use):全国多数地区以本种植物全草作谷精草入药。
引自中国植物志英文版FOC Vol. 24 Page 15
Eriocaulon buergerianum Körnicke in Miquel, Ann. Mus. Bot. Lugduno-Batavi. 3: 163. 1867.
谷精草 gu jing cao | Eriocaulaceae  | Eriocaulon
Eriocaulon chishingsanensis C. E. Chang; E. pachypetalum Hayata; E. whangii Ruhland.
Leaves linear, 4--10(--20) cm, 2--5 mm wide at middle, veins 7--12(--18). Scapes numerous, 25(--30) cm, 4- or 5-ribbed; sheath 3--5 cm; receptacle usually densely villous; heads straw-colored, subglobose, 3--5 × 4--5 mm; involucral bracts straw-colored, orbicular to obovate, 2--2.5 × 1.5--1.8 mm, glabrescent; floral bracts obovate to narrowly so, abaxially white clavate hairy toward apex. Male flowers: sepals spathelike, 1.8--2.5 mm, ± pubescent abaxially and at 3-lobed apex; petals 3, ± subulate, subequal, white clavate hairy at apex, gland black; stamens 6, anthers black. Female flowers: sepals 1.8--2.5 mm, abaxially white clavate hairy toward apex, basally connate, apex 3-lobed; petals 3, free, flat, clavate, fleshy, adaxially villous, gland black; ovary 3-loculed; style 3-cleft. Seeds subglobose, 0.8--1 mm; testa reticulate, prickles T-shaped. Fl. and fr. Jul--Dec.
Rice fields, marshlands; 500--1300 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangsu, Jiangxi, Sichuan, Taiwan, Zhejiang [Japan, Korea].
Medicinal.
谷精草Eriocaulon buergerianum

谷精草Eriocaulon buergerianum

(责任编辑:徐晔春)

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