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棱果花Barthea barthei

时间:2013-11-11 15:45作者:徐晔春 点击: 次 标签: 野牡丹科 Melastomatac 棱果花属 Barthea
  中文名(Chinese Name):棱果花
学名(Scientific Name):Barthea barthei (Hance) Krass.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Barthea chinensis Hook. f.  Barthea formosana Hayata  Dissochaeta barthei Hance
科属(Family & Genus):野牡丹科Melastomataceae棱果花属Barthea
形态特征(Description):灌木,高70-150厘米,有时达3米;茎圆柱形,树皮灰白色,木栓化,分枝多;小枝略四棱形,幼时被微柔毛及腺状糠秕。叶片坚纸质或近革质,椭圆形、近圆形、卵形或卵状披针形,顶端渐尖,基部楔形或广楔形,长(3.5-) 6-11厘米,宽(1.8-)2.5-5.5厘米,稀长15厘米,宽5厘米,全缘或具细锯齿,基出脉5条,最外侧的两条近边缘,两面无毛,叶面基出脉微凹,侧脉不明显,背面密被糠秕,尤以侧脉及细脉为密,基出脉隆起,侧脉微隆起,细脉明显或不明显;叶柄长5-15毫米,被密糠秕或无。聚伞花序,顶生,有花3朵,常仅1朵成熟;花梗四棱形,长约7毫米,被糠秕;花萼钟形,四棱形,密被糠秕,棱上常具狭翅,裂片短三角形,顶端细尖,长约3毫米,边缘膜质,萼管长约6毫米;花瓣白色至粉红色或紫红色,长圆状椭圆形或近倒卵形,上部偏斜,长11-18毫米,宽9.5-16毫米;雄蕊长者花药长约1厘米,距长约2毫米,上弯,基部刺毛长约3.5毫米,花丝长约8毫米,短者花药长约3毫米,距不明显,基部刺毛长约2.5毫米,花丝长约7毫米;子房梨形,四棱形,无毛,顶端无冠。蒴果长圆形,顶端平截,为宿存萼所包;宿存萼四棱形,棱上有狭翅,顶端常冠宿存萼片,长约1厘米,直径约6毫米,被糠秕。花期1-4月或10-12月,果期10-12月或1-5月。
分布(Distribution):产湖南、广西、广东、福建、台湾。生于海拔400-1300米,有时达280米,常见于山坡、山谷或山顶疏、密林中,有时也见于水旁。
用途(Use):
引自中国植物志英文版:FOC Vol. 13 Page 370   
Barthea barthei (Hance ex Bentham) Krasser in Engler & Prantl, Nat. Pflanzenfam. 3(7): 175. 1893.
棱果花 leng guo hua | Melastomataceae  | Barthea
Shrubs 70-150(-300) cm tall. Stems terete; bark grayish white; branches numerous, nearly 4-sided, puberulous and glandular furfuraceous. Petiole 0.5-1.5 cm, densely furfuraceous or glabrous; leaf blade elliptic, suborbicular, ovate, or ovate-lanceolate, (3.5-)6-11(-15) × (1.8-)2.5-5.5 cm, stiffly papery to subleathery, abaxially densely furfuraceous, adaxially glabrous, secondary veins 2 on each side of midvein, base obtuse to broadly obtuse, margin entire or serrulate, apex acuminate. Inflorescences cymes, (1-)3-flowered but usually only 1 fertile; peduncle ca. 7 mm, 4-sided, furfuraceous. Hypanthium ca. 0.6 or 1.4 cm, 4-sided, very narrowly winged on ribs, densely furfuraceous. Calyx lobes shortly triangular or linear-lanceolate, ca. 3 or 1.5-1.7 mm. Petals white, pink, or purple, oblong-ellitic to obovate, 1.1-1.8 × 1-1.6 cm, apically oblique. Filaments of longer stamen ca. 8 mm; anthers ca. 1 cm, spur ca. 2 mm and curved, basal 2 setae ca. 3.5 mm. Filaments of shorter stamen ca. 6 mm; anthers ca. 3 mm, spur inconspicuous, basal setae ca. 2.5 mm. Ovary 4-sided, glabrous. Capsule oblong, ca. 1 or 1.8 × 0.6 or 1.1 cm, 4-sided, furfuraceous, wings 1-2 mm wide on ribs. Fl. Jan-May or Oct-Dec, fr. Oct-Dec or May.
● Mixed forests, forested mountain slopes, open thickets, wooded ravines, along streams; 400-2500(-2800) m. Fujian, Guangdong, Guangxi, Hunan, Taiwan.
 






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