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华空木Stephanandra chinensis

时间:2018-06-28 12:42来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 华空木 学名( Scientific Name ): Stephanandra chinensis Hance 英文名( English Common Name ): 别名( Chinese Common Name ): 野珠兰,中国小米空木 异名( Synonym ): Stephanandra flexuosa var. chinensis (Han
中文名(Chinese Name):华空木
学名(Scientific Name):Stephanandra chinensis Hance
英文名(English Common Name):
别名(Chinese Common Name):野珠兰,中国小米空木
异名(Synonym):Stephanandra flexuosa var. chinensis (Hance) Pamp.
科属(Family & Genus):蔷薇科Rosaceae小米空木属Stephanandra
形态特征(Description):灌木,高达1.5米;小枝细弱,圆柱形,微具柔毛,红褐色;冬芽小,卵形,先端稍钝,红褐色,鳞片边缘微被柔毛。叶片卵形至长椭卵形,长5-7厘米。宽2-3厘米,先端渐尖,稀尾尖,基部近心形、圆形、稀宽楔形,边缘常浅裂并有重锯齿,两面无毛,或下面沿叶脉微具柔毛,侧脉7-10对,斜出;叶柄长6-8毫米,近于无毛;托叶线状披针形至椭圆披针形,长6-8毫米,先端渐尖,全缘或有锯齿,两面近于无毛。顶生疏松的圆锥花序,长5-8厘米,直径2-3厘米;花梗长3-6毫米,总花梗和花梗均无毛;苞片小,披针形至线状披针形;萼筒杯状,无毛;萼片三角卵形,长约2毫米,先端钝,有短尖,全缘;花瓣倒卵形,稀长圆形,长约2毫米,先端钝,白色;雄蕊10,着生在萼筒边缘,较花瓣短约一半;心皮1,子房外被柔毛,花柱顶生,直立。蓇葖果近球形,直径约2毫米,被稀疏柔毛,具宿存直立的萼片;种子1,卵球形。花期5月,果期7-8月。
分布(Distribution):产河南、湖北、江西、湖南、安徽、江苏、浙江、四川、广东、福建。生于阔叶林边或灌木丛中,海拔1000-1500米。
用途(Use):
引自中国植物志英文版:FOC Vol. 9 Page 82       | Rosaceae  | Stephanandra
Stephanandra chinensis Hance, J. Bot. 20: 210. 1882.
华空木 hua kong mu
Stephanandra flexuosa Siebold & Zuccarini var. chinensis (Hance) Pampanini.
Shrubs to 1.5 m. Buds reddish brown, pubescent at scale margins. Stipules linear-lanceolate to elliptic-lanceolate, 6–8 mm, glabrous; petiole 6–8 mm, subglabrous; leaf blade ovate to long elliptic-ovate, 5–7 × 2–3 cm, glabrous or abaxially pubescent on veins, lateral veins in 7–10 pairs, base subcordate or rounded, rarely broadly cuneate, margin doubly serrate, usually shallowly lobed, apex acuminate, rarely caudate. Panicle 2–3 cm in diam.; peduncle and pedicels glabrous; bracts lanceolate to linear-lanceolate, apex obtuse. Flowers 4–5 mm in diam.; pedicel 3–6 mm. Hypanthium glabrous. Sepals erect in fruit, triangular-ovate, ca. 2 mm, margin entire. Petals ovate, rarely oblong, ca. 2 mm. Stamens ca. 10, ca. 1/2 as long as petals. Follicle ca. 2 mm in diam., pubescent, later sparsely so. Seed 1, ovoid. Fl. May, fr. Jul–Aug.
Broad-leaved forest margins; 1000--1500 m. Anhui, Fujian, Guangdong, Henan, Hubei, Hunan, Jiangxi, Sichuan, Zhejiang.
See Neillia hanceana (Kuntze) S. Oh (Novon 16: 92. 2006) which was published after the corresponding Flora volume.




 
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