刺毛柏拉木檢視原始碼討論檢視歷史
刺毛柏拉木 |
中文學名:刺毛柏拉木 界:植物界 門:被子植物門Angiospermae 綱:雙子葉植物綱Dicotyledoneae 目:桃金娘目Myrtiflorae 科:野牡丹科 屬:柏拉木屬 種:刺毛柏拉木 生長環境:山谷林下 |
刺毛柏拉木,拉丁文名:Blastus setulosus Diels. ,為野牡丹科、柏拉木屬灌木,高約1米;小枝近圓柱形,分布於廣西、廣東。 [1]
刺毛柏拉木形態特徵
刺毛柏拉木 灌木,高約1米;小枝近圓柱形,初時被腺狀褐色柔毛,以後無毛。葉片紙質,長圓形或披針狀長圓形,頂端漸尖,基部楔形,長7-12厘米,寬2-3.5厘米,全緣或具極不明顯的淺波狀齒,齒尖具刺毛,3(-5)基出脈,若為5條時近邊緣的兩條極細且極靠邊緣,葉面被極細的微柔毛及疏糙伏毛,基出脈微凹,背面被極細的微柔毛,基出脈隆起,側脈微隆起,均密被微柔毛;葉柄長1.5-3.5厘米,被密微柔毛。
傘狀聚傘花序,有花約3(-5)朵,生於無葉的莖上,總梗幾無,花梗極短或幾無;花萼鍾狀漏斗形,具四棱,密被小腺點,長約3.5毫米,裂片卵形或卵狀三角形,長不到1毫米;花瓣白色,卵形(原描述狹長的菱形)頂端漸尖,具小尖頭,1側偏斜,長約4毫米,寬約2.5毫米;雄蕊4,等長,花絲長3-4毫米,花葯長約4.5毫米,基部無瘤(原描述具小瘤),藥隔微膨大;子房下位,壇形,頂端具4突起,被小腺點。
蒴果橢圓形,4裂;宿存萼與果等大等長,檐部平截,被小鱗片。花期約7月,果期約8月。[2]
Blastus setulosus Diels in Engl. Bot. Jahrb. 65: 106. 1932; H. L. Li in Journ. Arn. Arb. 25: 15. 1944.
Shrubs to 1 m tall. Branches subterete, with brown glandular trichomes when young, glabrescent. Petiole 1.5-3.5 cm, densely puberulous; leaf blade oblong to lanceolate-oblong, 7-12 × 2-3.5 cm, papery, abaxially minutely puberulous especially along veins, adaxially minutely puberulous and sparsely strigose, secondary veins 1(or 2) on each side of midvein, base cuneate, margin entire or inconspicuously denticulate with each tooth having a terminal seta, apex acuminate. Inflorescences axillary a leaf scars, umbellate cymose, 3(-5)-flowered; peduncle almost absent. Flowers pedicellate to nearly sessile. Hypanthium campanulate-funnelform, ca. 3.5 mm, 4-sided, densely glandular. Calyx lobes ovate to ovate-triangular, to 1 mm. Petals 4, white, ovate, ca. 4 × 2.5 mm, inclined to one side, apex acuminate. Stamens 4; filaments 3-4 mm; anthers lanceolate, ca. 4.5 mm, not tuberculate at base; connective slightly inflated. Ovary inferior, urceolate, 4-celled, glandular. Capsule ellipsoid, small squamose. Fl. Jul, fr. Aug.
刺毛柏拉木生長環境
生長於海拔250-860米的山谷林下。
刺毛柏拉木分布範圍
刺毛柏拉木分布於廣西、廣東(海南島未發現)。 模式標本采自廣西金秀。