尾穗苋Amaranthus caudatus
中文名(Chinese Name):尾穗苋
学名(Scientific Name):Amaranthus caudatus L.
英文名(English Common Name):
别名(Chinese Common Name):老枪谷
异名(Synonym):Amaranthus abyssinicus L.H.Bailey Amaranthus alopecurus Hochst. ex A.Br. & C.D.Bouché Amaranthus caudatus subsp. mantegazzianus (Pass.) Hanelt Amaranthus caudatus subsp. saueri V.Jehlík Amaranthus caudatus var. albiflorus Moq. Amaranthus caudatus var. alopecurus Moq. Amaranthus caudatus var. maximus (Mill.) Moq. Amaranthus dussii Sprenger Amaranthus edulis var. spadiceus Hunz. Amaranthus mantegazzianus Pass. Amaranthus maximus Mill. Amaranthus pendulinus Moq. Amaranthus pendulus Moq. Euxolus arvensis Rojas Acosta
科属(Family & Genus):苋科Amaranthaceae苋属Amaranthus
形态特征(Description):一年生草本,高达15米;茎直立,粗壮,具钝棱角,单一或稍分枝,绿色,或常带粉红色,幼时有短柔毛,后渐脱落。叶片菱状卵形或菱状披针形,长4-15厘米,宽2-8厘米,顶端短渐尖或圆钝,具凸尖,基部宽楔形,稍不对称,全缘或波状缘,绿色或红色,除在叶脉上稍有柔毛外,两面无毛;叶柄长1-15厘米,绿色或粉红色,疏生柔毛。圆锥花序顶生,下垂,有多数分枝,中央分枝特长,由多数穗状花序形成,顶端钝,花密集成雌花和雄花混生的花簇;苞片及小苞片披针形,长3毫米,红色,透明,顶端尾尖,边缘有疏齿,背面有1中脉;花被片长2-2.5毫米,红色,透明,顶端具凸尖,边缘互压,有1中脉,雄花的花被片矩圆形,雌花的花被片矩圆状披针形;雄蕊稍超出;柱头3,长不及1毫米。胞果近球形,直径3毫米,上半部红色,超出花被片。种子近球形,直径1毫米,淡棕黄色,有厚的环。花期7-8月,果期9-10月。
分布(Distribution):我国各地栽培,有时逸为野生。原产热带,全世界各地栽培。
用途(Use):供观赏;根供药用,有滋补强壮作用;可作家畜及家禽饲料。
引自中国植物志英文版:FOC Vol. 5 Page 418
Amaranthus caudatus Linnaeus, Sp. Pl. 2: 990. 1753.
老枪谷 lao qiang gu| Amaranthaceae | Amaranthus
Stem erect, green, ca. 1.5 m tall, strong, angular, slightly branched or not, glabrous when mature. Petiole green, 1-15 cm, pilose; leaf blade green or red, rhombic-ovate or rhombic-lanceolate, 4-15 × 2-8 cm, both surfaces glabrous, base cuneate, margin entire or undulate, apex acuminate or obtuse. Complex thyrsoid structures terminal, pendulous, much branched, composed of many spikes. Bracts red, lanceolate, ca. 3 mm, transparent, with a midvein abaxially, apex apiculate. Tepals red, shorter than fruit, 2-2.5 mm, transparent, overlapping at margins, with a midvein; male segments oblong; female segments oblong-lanceolate. Stamens 5; stigmas 3, shorter than 1 mm. Utricles red above, subglobose, ca. 3 mm in diam., longer than perianth, circumscissile. Seeds light yellowish brown, subglobose. Fl. Jul-Aug, fr. Sep-Oct. 2n = 32*, 64.
Widely cultivated. in China [native to neotropics; cultivated worldwide].
(责任编辑:徐晔春)
学名(Scientific Name):Amaranthus caudatus L.
英文名(English Common Name):
别名(Chinese Common Name):老枪谷
异名(Synonym):Amaranthus abyssinicus L.H.Bailey Amaranthus alopecurus Hochst. ex A.Br. & C.D.Bouché Amaranthus caudatus subsp. mantegazzianus (Pass.) Hanelt Amaranthus caudatus subsp. saueri V.Jehlík Amaranthus caudatus var. albiflorus Moq. Amaranthus caudatus var. alopecurus Moq. Amaranthus caudatus var. maximus (Mill.) Moq. Amaranthus dussii Sprenger Amaranthus edulis var. spadiceus Hunz. Amaranthus mantegazzianus Pass. Amaranthus maximus Mill. Amaranthus pendulinus Moq. Amaranthus pendulus Moq. Euxolus arvensis Rojas Acosta
科属(Family & Genus):苋科Amaranthaceae苋属Amaranthus
形态特征(Description):一年生草本,高达15米;茎直立,粗壮,具钝棱角,单一或稍分枝,绿色,或常带粉红色,幼时有短柔毛,后渐脱落。叶片菱状卵形或菱状披针形,长4-15厘米,宽2-8厘米,顶端短渐尖或圆钝,具凸尖,基部宽楔形,稍不对称,全缘或波状缘,绿色或红色,除在叶脉上稍有柔毛外,两面无毛;叶柄长1-15厘米,绿色或粉红色,疏生柔毛。圆锥花序顶生,下垂,有多数分枝,中央分枝特长,由多数穗状花序形成,顶端钝,花密集成雌花和雄花混生的花簇;苞片及小苞片披针形,长3毫米,红色,透明,顶端尾尖,边缘有疏齿,背面有1中脉;花被片长2-2.5毫米,红色,透明,顶端具凸尖,边缘互压,有1中脉,雄花的花被片矩圆形,雌花的花被片矩圆状披针形;雄蕊稍超出;柱头3,长不及1毫米。胞果近球形,直径3毫米,上半部红色,超出花被片。种子近球形,直径1毫米,淡棕黄色,有厚的环。花期7-8月,果期9-10月。
分布(Distribution):我国各地栽培,有时逸为野生。原产热带,全世界各地栽培。
用途(Use):供观赏;根供药用,有滋补强壮作用;可作家畜及家禽饲料。
引自中国植物志英文版:FOC Vol. 5 Page 418
Amaranthus caudatus Linnaeus, Sp. Pl. 2: 990. 1753.
老枪谷 lao qiang gu| Amaranthaceae | Amaranthus
Stem erect, green, ca. 1.5 m tall, strong, angular, slightly branched or not, glabrous when mature. Petiole green, 1-15 cm, pilose; leaf blade green or red, rhombic-ovate or rhombic-lanceolate, 4-15 × 2-8 cm, both surfaces glabrous, base cuneate, margin entire or undulate, apex acuminate or obtuse. Complex thyrsoid structures terminal, pendulous, much branched, composed of many spikes. Bracts red, lanceolate, ca. 3 mm, transparent, with a midvein abaxially, apex apiculate. Tepals red, shorter than fruit, 2-2.5 mm, transparent, overlapping at margins, with a midvein; male segments oblong; female segments oblong-lanceolate. Stamens 5; stigmas 3, shorter than 1 mm. Utricles red above, subglobose, ca. 3 mm in diam., longer than perianth, circumscissile. Seeds light yellowish brown, subglobose. Fl. Jul-Aug, fr. Sep-Oct. 2n = 32*, 64.
Widely cultivated. in China [native to neotropics; cultivated worldwide].
(责任编辑:徐晔春)
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