萱草Hemerocallis fulva

中文名(Chinese Name):萱草
学名(Scientific Name):Hemerocallis fulva (L.) L.
英文名(English Common Name):orange daylily
别名(Chinese Common Name):忘萱草
异名(Synonym):Hemerocallis fulva var. maculata Baroni  Hemerocallis lilioasphodelus var. fulvus L.  Hemerocallis lilioasphodelus var. fulva L.
科属(Family & Genus):百合科(Liliaceae)萱草属
形态特征(Description):萱草在我国有悠久的栽培历史,早在二千多年前的《诗经魏风》中就有记载。后来的许多植物学著作中,如《救荒本草》、《花镜》、《本草纲目》等多有记述。别名有鹿葱、川草花、忘郁、丹棘等。《花镜》中还首记载了重瓣首草,并指出它的花有毒,不可食用。由于长期的栽培,萱草的类型极多,如叶的宽窄、质地,花的色泽,花被管的长短,花被裂片的宽窄等变异很大,不易划分,加上各地常有栽培后逸为野生的,分布区也难于判断。李时珍早就注意到,在不同土质上栽培的萱草,花的质地,色泽的深浅和花期的长短是有变化的。这是正确的。如果只根据少数栽培植株的某些差异来进行分类,则不甚可靠。林奈在发表本种时,曾说是杂种,后来又说来自中国。他所根据的植物可能是欧洲广泛栽培的一个品种(在欧洲虽然有野生萱草,但是从未见关于果实的记载),但究竟是否自我国引去,已无从查考。我们认为,在长期而又广泛栽培的情况下,要考虑到种以下多半系品种这个可能性,因而不宜轻率地定为种或变种。
分布(Distribution):全国各地常见栽秦岭以南各省区有野生。
用途(Use):
引自植物志英文版:FOC Vol. 24 Page 163
Hemerocallis fulva (Linnaeus) Linnaeus, Sp. Pl., ed. 2. 1: 462. 1762.
萱草 xuan cao | Liliaceae  | Hemerocallis
Plants 40--150 cm tall, usually deciduous in winter. Roots fleshy, with globose-ellipsoid, swollen, tuberous part near tip; stolons sometimes to 30 cm. Leaves linear, 50--90 × 1--2.8 cm, apex acute. Scape erect, hollow; sterile bracts present. Helicoidal cymes double, 2--5(--10)-flowered; bracts scalelike or lanceolate. Pedicel ca. 5 mm. Flowers unscented, strictly day opening, opening in morning and closing in evening of same day. Perianth single, occasionally double (stamens petaloid), orange to reddish orange; tube 2--4 cm; segments spreading, with a purple or reddish orange patch, 5--12 × 1--3 cm, margin sometimes crinkly-undulate, inner segments wider than outer ones. Filaments 4--5 cm; anthers purplish black, 7--8 mm. Capsule ellipsoid, 2--2.5 × 1.2--1.5 cm. Fl. Jun--Nov. 2 n = 22, 33.
Forests, thickets, grasslands, streamsides; 300--2500 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hebei, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Shaanxi, Shandong, Shanxi, Sichuan, Taiwan, Xizang, Yunnan, Zhejiang [India, Japan, Korea, Russia].
Four varieties may be recognized in China. The status of Hemerocallis fulva var. oppositibracteata H. Kong & Ching J. Wang (Guihaia 16: 303. 1996), described from Gansu, is uncertain. It supposedly differs in having narrower leaves 5--8 mm wide, subopposite sterile bracts, narrower perianth segments (outer ones 0.6--1 cm wide), and obovoid capsules.
萱草Hemerocallis fulva

萱草Hemerocallis fulva

萱草Hemerocallis fulva(责任编辑:徐晔春)

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