凹叶瑞香Daphne retusa Hemsl.
凹叶瑞香Daphne retusa Hemsl.
32.凹叶瑞香(中国高等植物图鉴)
Daphne retusa Hemsl. in Journ. Linn. Soc. Bot. 29: 318. 1893; Keissl. in Bot.Jahrb. 25: 96. 1898; Stapf in Curtis′s Bot. Mag. 138: fig. 8430. 1912; Lecomte in Not. Syst. 3: 217. 1916; Rehd. in Sarg. Pl. Wils. 2: 541. 1916; 中国高等植物图鉴2: 952, 图3634. 1972.
常绿灌木,高0.4-1.5米;分枝密而短,稍肉质,当年生枝灰褐色,密被黄褐色糙伏毛,一年生枝粗伏毛部分脱落,多年生枝无毛,灰黑色,叶迹明显,较大。叶互生,常簇生于小枝顶部,革质或纸质,长圆形至长圆状披针形或倒卵状椭圆形,长1.4-4(-7)厘米,宽0.6-1.4厘米,先端钝圆形,尖头凹下,幼时具一束白色柔毛,基部下延,楔形或钝形,边缘全缘,微反卷,上面深绿色,多皱纹,下面淡绿色,两面均无毛,中脉在上面凹下,下面稍隆起,侧脉在两面不明显;叶柄极短或无。花外面紫红色,内面粉红色,无毛,芳香,数花组成头状花序,顶生;花序梗短,长2毫米,密被褐色糙伏毛,花梗极短或无,长约1毫米,密被褐色糙伏毛;苞片易早落,长圆形至卵状长圆形或倒卵状长圆形,长5-8毫米,宽3-4毫米,顶端圆形,两面无毛,顶端具淡黄色细柔毛,边缘具淡白色长纤毛;花萼筒圆筒形,长6-8毫米,直径2-3毫米,裂片4,宽卵形至近圆形或卵状椭圆形,几与花萼筒等长或更长,顶端圆形至钝形,甚开展,脉纹显著;雄蕊8,2轮,下轮着生于花萼筒的中部,上轮着生于花萼筒的上3/4或喉部下面,微伸出或不伸出,花丝短,长约0.5毫米,花药长圆形,黄色,长1.5毫米;花盘环状,无毛;子房瓶状或柱状,长2毫米,无毛,花柱极短,柱头密被黄褐色短绒毛。果实浆果状,卵形或近圆球形,直径7毫米,无毛,幼时绿色,成熟后红色。花期4-5月,果期6-7月。
产陕西、甘肃、青海、湖北、四川、云南、西藏等省区。生于海拔3000-3900米的高山草坡或灌木林下。模式标本采自四川康定。
茎皮纤维为优良的造纸原料;亦可移植庭园作观赏植物。
本种与唐古特瑞香D. tangutica Maxim.亲缘关系最近,有时难于区分,但本种当年生枝和一年生枝都密被糙伏毛;叶片短,长圆形至长圆状披针形或倒卵状椭圆形,长1.4-4厘米,宽0.6-1.4厘米,先端凹下;花萼裂片宽卵形至近圆形或卵状椭圆形,与花萼筒等长或更长,可资区别。
《Flora of China》 Vol. 13 (2007)
Daphne retusa Hemsley
凹叶瑞香 ao ye rui xiang
Shrubs evergreen, 0.4-1.5 m tall, densely branched. Branches strigose. Leaves alternate, usually clustered at apices of branches; petiole absent to almost absent; leaf blade oblong, oblong-lanceolate, or obovate-elliptic, 1.4-4(-7) × 0.6-1.4 cm, leathery, both surfaces glabrous. base cuneate, margin revolute, apex obtuse or retuse and apiculate. Inflorescences terminal, usually several flowered; peduncle ca. 2 mm, densely strigose; bracts caducous, oblong to ovate-oblong or obovate-oblong, 5-8 × 3-4 mm, glabrous, apex rounded. Flowers fragrant; pedicel absent or almost absent, glabrous. Calyx purplish red abaxially with paler purple-pink or white lobes; tube cylindric, 6-8 mm, exterior pubescent; lobes 4, broadly ovate or ovate-elliptic, 6-9 mm, apex rounded to obtuse, rarely acuminate. Stamens 8, lower whorl inserted at middle of calyx tube, upper whorl just below throat; filaments ca. 0.5 mm; anthers oblong, ca. 1.5 mm. Disk annular, glabrous, undulate. Ovary cylindric or obovoid, ca. 2 mm, glabrous; style very short; stigma capitate, densely tomentose. Drupe red, subglobose or ovoid, 6-8 mm. Fl. Apr-May, fr. Jun-Jul.
Shrubby or herbaceous slopes; 3000-3900 m. Gansu, Hubei, Qinghai, Shanxi, Sichuan, Xizang, Yunnan [Bhutan, N India (Assam, Punjab), Kashmir, Nepal].
别名:金腰带;祖师麻;黄构皮;
科名:瑞香科 Thymelaeaceae
属名:瑞香属 Daphne
32.凹叶瑞香(中国高等植物图鉴)
Daphne retusa Hemsl. in Journ. Linn. Soc. Bot. 29: 318. 1893; Keissl. in Bot.Jahrb. 25: 96. 1898; Stapf in Curtis′s Bot. Mag. 138: fig. 8430. 1912; Lecomte in Not. Syst. 3: 217. 1916; Rehd. in Sarg. Pl. Wils. 2: 541. 1916; 中国高等植物图鉴2: 952, 图3634. 1972.
常绿灌木,高0.4-1.5米;分枝密而短,稍肉质,当年生枝灰褐色,密被黄褐色糙伏毛,一年生枝粗伏毛部分脱落,多年生枝无毛,灰黑色,叶迹明显,较大。叶互生,常簇生于小枝顶部,革质或纸质,长圆形至长圆状披针形或倒卵状椭圆形,长1.4-4(-7)厘米,宽0.6-1.4厘米,先端钝圆形,尖头凹下,幼时具一束白色柔毛,基部下延,楔形或钝形,边缘全缘,微反卷,上面深绿色,多皱纹,下面淡绿色,两面均无毛,中脉在上面凹下,下面稍隆起,侧脉在两面不明显;叶柄极短或无。花外面紫红色,内面粉红色,无毛,芳香,数花组成头状花序,顶生;花序梗短,长2毫米,密被褐色糙伏毛,花梗极短或无,长约1毫米,密被褐色糙伏毛;苞片易早落,长圆形至卵状长圆形或倒卵状长圆形,长5-8毫米,宽3-4毫米,顶端圆形,两面无毛,顶端具淡黄色细柔毛,边缘具淡白色长纤毛;花萼筒圆筒形,长6-8毫米,直径2-3毫米,裂片4,宽卵形至近圆形或卵状椭圆形,几与花萼筒等长或更长,顶端圆形至钝形,甚开展,脉纹显著;雄蕊8,2轮,下轮着生于花萼筒的中部,上轮着生于花萼筒的上3/4或喉部下面,微伸出或不伸出,花丝短,长约0.5毫米,花药长圆形,黄色,长1.5毫米;花盘环状,无毛;子房瓶状或柱状,长2毫米,无毛,花柱极短,柱头密被黄褐色短绒毛。果实浆果状,卵形或近圆球形,直径7毫米,无毛,幼时绿色,成熟后红色。花期4-5月,果期6-7月。
产陕西、甘肃、青海、湖北、四川、云南、西藏等省区。生于海拔3000-3900米的高山草坡或灌木林下。模式标本采自四川康定。
茎皮纤维为优良的造纸原料;亦可移植庭园作观赏植物。
本种与唐古特瑞香D. tangutica Maxim.亲缘关系最近,有时难于区分,但本种当年生枝和一年生枝都密被糙伏毛;叶片短,长圆形至长圆状披针形或倒卵状椭圆形,长1.4-4厘米,宽0.6-1.4厘米,先端凹下;花萼裂片宽卵形至近圆形或卵状椭圆形,与花萼筒等长或更长,可资区别。
《Flora of China》 Vol. 13 (2007)
Daphne retusa Hemsley
凹叶瑞香 ao ye rui xiang
Shrubs evergreen, 0.4-1.5 m tall, densely branched. Branches strigose. Leaves alternate, usually clustered at apices of branches; petiole absent to almost absent; leaf blade oblong, oblong-lanceolate, or obovate-elliptic, 1.4-4(-7) × 0.6-1.4 cm, leathery, both surfaces glabrous. base cuneate, margin revolute, apex obtuse or retuse and apiculate. Inflorescences terminal, usually several flowered; peduncle ca. 2 mm, densely strigose; bracts caducous, oblong to ovate-oblong or obovate-oblong, 5-8 × 3-4 mm, glabrous, apex rounded. Flowers fragrant; pedicel absent or almost absent, glabrous. Calyx purplish red abaxially with paler purple-pink or white lobes; tube cylindric, 6-8 mm, exterior pubescent; lobes 4, broadly ovate or ovate-elliptic, 6-9 mm, apex rounded to obtuse, rarely acuminate. Stamens 8, lower whorl inserted at middle of calyx tube, upper whorl just below throat; filaments ca. 0.5 mm; anthers oblong, ca. 1.5 mm. Disk annular, glabrous, undulate. Ovary cylindric or obovoid, ca. 2 mm, glabrous; style very short; stigma capitate, densely tomentose. Drupe red, subglobose or ovoid, 6-8 mm. Fl. Apr-May, fr. Jun-Jul.
Shrubby or herbaceous slopes; 3000-3900 m. Gansu, Hubei, Qinghai, Shanxi, Sichuan, Xizang, Yunnan [Bhutan, N India (Assam, Punjab), Kashmir, Nepal].
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