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牛筋条 Dichotomanthes tristaniicarpa

时间:2013-11-07 11:24来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 牛筋条 学名( Scientific Name ): Dichotomanthes tristaniicarpa Kurz 英文名( English Common Name ): 别名( Chinese Common Name ): 红眼睛、白牛筋 异名( Synonym ): Dichotomanthus tristaniaecarpa Kurz 科属
中文名(Chinese Name):牛筋条
学名(Scientific Name):Dichotomanthes tristaniicarpa Kurz
英文名(English Common Name):
别名(Chinese Common Name):红眼睛、白牛筋
异名(Synonym):Dichotomanthus tristaniaecarpa Kurz
科属(Family & Genus):蔷薇科(Rosaceae)牛筋条属
形态特征(Description):常绿灌木至小乔木,高2-4米;枝条丛生,小枝幼时密被黄白色绒毛,老时灰褐色,无毛;树皮光滑,暗灰色,密被皮孔。叶片长圆披针形,有时倒卵形、倒披针形至椭圆形,长3-6厘米,宽1.5-2.5厘米,先端急尖或圆钝并有凸尖,基部楔形至圆形,全缘,上面无毛或仅在中脉上有少数柔毛,光亮,下面幼时密被白色绒毛,逐渐稀薄,侧脉7-12对,下面明显;叶柄粗壮,长4-6毫米,密被黄白色绒毛;托叶丝状,不久脱落。花多数,密集成顶生复伞房花序,总花梗和花梗被黄白色绒毛;苞片披针形,膜质,早落;花梗长2-3毫米;花直径8-9毫米;萼筒钟状,外面密被绒毛,内面被柔毛;萼片三角形,先端圆钝,边有腺齿,外面密被绒毛,内面无毛或几无毛;花瓣白色,平展,近圆形或宽卵形,长3-4毫米,先端圆钝或微凹,基部有极短爪;雄蕊20,短于花瓣,花丝光滑无毛;子房外被柔毛,花柱侧生,无毛,柱头头状。果期心皮干燥,革质,长圆柱状,顶端稍具短柔毛,长5-7毫米,褐色至黑褐色,突出于肉质红色杯状萼筒之中。花期4-5月,果期8-11月。
分布(Distribution):产云南、四川,生海拔1500-2300米山坡开旷地杂木林中或常绿栎林边缘。
用途(Use):
引自中国植物志英文版:FOC Vol. 9 Page 85      
Dichotomanthes tristaniicarpa Kurz, J. Bot. 11: 195. 1873.
牛筋条 niu jin tiao| Rosaceae  | Dichotomanthes
Shrubs to small trees, 2–7 m tall. Branchlets grayish brown to grayish black when old, initially densely yellowish white tomentose, glabrescent, glabrous when old; buds ovoid, small, initially tomentose, gradually glabrescent, apex obtuse or ± acute. Petiole 4–6 mm, thick, densely yellowish white tomentose; stipules caducous, filiform; leaf blade elliptic to oblong-lanceolate, sometimes obovate or oblanceolate, 3–6 × 1.5–2.5 cm, lateral veins 7–12 pairs, abaxially initially densely yellowish white tomentose, later thinly so or glabrescent, adaxially glabrous or with few hairs only along midvein, base cuneate to rounded, margin entire, rarely sparsely serrate above middle, apex acute or obtuse, usually abruptly pointed. Inflorescences 2–5 × 3–6 mm; rachis and pedicels yellowish white tomentose; bracts caducous, lanceolate, membranous. Pedicel 1–3 mm. Flowers 5–9 mm in diam. Hypanthium 2–3 mm, both sides densely tomentose. Sepals green, triangular, shorter than hypanthium, margin toothed, apex obtuse. Petals white, suborbicular or broadly ovate, 3–4 mm, base shortly clawed, apex obtuse or emarginate. Stamens (15–)20, shorter than petals; filaments glabrous, smooth. Ovary pubescent abaxially; style subterminal to lateral at anthesis, becoming subterminal at fruiting, not exceeding stamens, glabrous; stigma discoid-capitate, lobulate. Fruit red, long terete, 5–7 mm, hard, glabrous except apex slightly short pubescent, exserted from fleshy hypanthium, base of style forms a small apicula. Fl. Apr–May, fr. Aug–Nov.
Mixed forests, evergreen forest margins, slopes; 1300--2500 m. Sichuan, Yunnan.
 
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