狭叶润楠Machilus rehderi Allen
狭叶润楠Machilus rehderi Allen
8. 狭叶润楠 图版4: 2
Machilus rehderi Allen in Journ. Arn. Arb. 17: 326. 1936.——Persea rehderi (Allen) Kosterm. in Reinwardtia 6: 193. 1962.
小乔木，高4-15米。枝无毛，紫黑色，有皱纹。叶聚生于小枝上部，披针形至倒披针形，长7-14.5厘米，宽 1.5-3厘米，先端长渐尖，尖头钝，向基部渐狭，革质，两面无毛，光亮，上面黄绿色，下面较淡，中脉稍凹下，侧脉每边7-9条，不明显，成45。角分出，有微小的网脉；叶柄无毛，长1.5-2厘米。花序为圆锥或总状花序，长10-11厘米，无毛，生于新枝基部；总梗长3-5厘米，纤弱，苞片脱落，有绒毛；花梗长7-13毫米，无毛，花长8-9毫米；花被分裂几至基部，裂片长6-7毫米，外面无毛，外轮的披针形，先端钝，内面无毛，宽2毫米，内轮的内面密被柔毛，较外轮的稍短；雄蕊长约5毫米，等长或近等长，花丝无毛，长3.5毫米，花药内向，长圆形，长1.5毫米．第三轮花丝基部稍被长柔毛，腺体2,肾形，有柄，长1.5-2毫米，退化雄蕊三角形，先端急尖，有柄，子房近球形，花柱较花丝稍短。果球形，有小凸尖，直径7-8毫米，无毛，基部有反曲的花被片。花期4月，果期7月。
产贵州南部、广西北部、湖南。生于海拔1100米以下的山地灌丛中或山谷、溪畔疏林中。
《Flora of China》 Vol. 7 (2008)
Machilus rehderi C. K. Allen J. Arnold Arbor. 17: 326. 1936.
狭叶润楠 xia ye run nan
Persea rehderi (C. K. Allen) Kostermans.
Small trees, 4-15 m tall. Branchlets purple-black, glabrous, striate when dry. Leaves clustered at upper part of branchlet; petiole glabrous, 1.5-2 cm; leaf blade shiny, adaxially yellowish green, lanceolate to oblanceolate, 7-14.5 × 1.5-3 cm, leathery, glabrous on both surfaces, midrib slightly impressed, lateral veins 7-9 pairs, inconspicuous, ascendant at ca. 45° angle, veinlets indistinct on both surfaces, base cuneate, apex acuminate, summit obtuse. Inflorescences in panicle or raceme at base of branchlet, 10-11 cm, glabrous; peduncle 3-5 cm, slender; bracts caducous, tomentose. Pedicel 0.7-1.3 cm, glabrous. Flowers 8-9 mm. Perianth lobes 6-7 mm, glabrous outside, outer ones lanceolate, apex obtuse, pubescent inside. Stamens ca. 5 mm, equal or subequal; filaments of 1st and 2nd series ca. 3.5 mm, glabrous, those of 3rd series slightly villous at base, glands reniform, stipitate. Staminodes stalked. Ovary subglobose; style shorter than filaments. Fruit globose, 7-8 mm in diam., glabrous with reflexed persistent perianth lobes at base. Fl. Apr, fr. Jun.
● Slope thickets, sparse forests, valleys, streamsides; ca. 1000 m. Guangxi, S Guizhou, Hunan.
别名：贵州润楠;
科名：樟科 Lauraceae
属名：润楠属 Machilus
8. 狭叶润楠 图版4: 2
Machilus rehderi Allen in Journ. Arn. Arb. 17: 326. 1936.——Persea rehderi (Allen) Kosterm. in Reinwardtia 6: 193. 1962.
小乔木，高4-15米。枝无毛，紫黑色，有皱纹。叶聚生于小枝上部，披针形至倒披针形，长7-14.5厘米，宽 1.5-3厘米，先端长渐尖，尖头钝，向基部渐狭，革质，两面无毛，光亮，上面黄绿色，下面较淡，中脉稍凹下，侧脉每边7-9条，不明显，成45。角分出，有微小的网脉；叶柄无毛，长1.5-2厘米。花序为圆锥或总状花序，长10-11厘米，无毛，生于新枝基部；总梗长3-5厘米，纤弱，苞片脱落，有绒毛；花梗长7-13毫米，无毛，花长8-9毫米；花被分裂几至基部，裂片长6-7毫米，外面无毛，外轮的披针形，先端钝，内面无毛，宽2毫米，内轮的内面密被柔毛，较外轮的稍短；雄蕊长约5毫米，等长或近等长，花丝无毛，长3.5毫米，花药内向，长圆形，长1.5毫米．第三轮花丝基部稍被长柔毛，腺体2,肾形，有柄，长1.5-2毫米，退化雄蕊三角形，先端急尖，有柄，子房近球形，花柱较花丝稍短。果球形，有小凸尖，直径7-8毫米，无毛，基部有反曲的花被片。花期4月，果期7月。
产贵州南部、广西北部、湖南。生于海拔1100米以下的山地灌丛中或山谷、溪畔疏林中。
《Flora of China》 Vol. 7 (2008)
Machilus rehderi C. K. Allen J. Arnold Arbor. 17: 326. 1936.
狭叶润楠 xia ye run nan
Persea rehderi (C. K. Allen) Kostermans.
Small trees, 4-15 m tall. Branchlets purple-black, glabrous, striate when dry. Leaves clustered at upper part of branchlet; petiole glabrous, 1.5-2 cm; leaf blade shiny, adaxially yellowish green, lanceolate to oblanceolate, 7-14.5 × 1.5-3 cm, leathery, glabrous on both surfaces, midrib slightly impressed, lateral veins 7-9 pairs, inconspicuous, ascendant at ca. 45° angle, veinlets indistinct on both surfaces, base cuneate, apex acuminate, summit obtuse. Inflorescences in panicle or raceme at base of branchlet, 10-11 cm, glabrous; peduncle 3-5 cm, slender; bracts caducous, tomentose. Pedicel 0.7-1.3 cm, glabrous. Flowers 8-9 mm. Perianth lobes 6-7 mm, glabrous outside, outer ones lanceolate, apex obtuse, pubescent inside. Stamens ca. 5 mm, equal or subequal; filaments of 1st and 2nd series ca. 3.5 mm, glabrous, those of 3rd series slightly villous at base, glands reniform, stipitate. Staminodes stalked. Ovary subglobose; style shorter than filaments. Fruit globose, 7-8 mm in diam., glabrous with reflexed persistent perianth lobes at base. Fl. Apr, fr. Jun.
● Slope thickets, sparse forests, valleys, streamsides; ca. 1000 m. Guangxi, S Guizhou, Hunan.
