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花叶冷水花Pilea cadierei

时间:2013-11-10 10:02来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):花叶冷水花 学名( Scientific Name ): Pilea cadierei Gagnep. et Guill. 英文名( English Common Name ): 别名( Chinese Common Name ): 金边山羊血 异名( Synonym ): 科属( Family Genus ): 荨麻科(Urticaceae
中文名(Chinese Name):花叶冷水花
学名(Scientific Name):Pilea cadierei Gagnep. et Guill.
英文名(English Common Name):
别名(Chinese Common Name):金边山羊血
异名(Synonym):
科属(Family & Genus):荨麻科(Urticaceae)冷水花属
形态特征(Description):多年生草本;或半灌木,无毛,具匍匐根茎。茎肉质,下部多少木质化,高15-40 厘米。叶多汁,干时变纸质,同对的近等大,倒卵形,长2.5-6厘米,宽1.5-3厘米, 先端骤凸,基部楔形或钝圆,边缘自下部以上有数枚不整齐的浅牙齿或啮蚀状,上面深 绿色,中央有2条(有时在边缘也有2条)间断的白斑,下面淡绿色,钟乳体梭形,长 0.3-0.5毫米,两面明显,基出脉3,其侧生二条稍弧曲,伸达上部与邻近的侧脉环结, 二级脉在上部约3对,明显,下部的不明显,外向的二级脉数对,在近边缘处环结;叶 柄长0.7-1.5厘米;托叶草质,淡绿色,干时变棕色,长圆形,长1-1.3厘米,早落。 花雌雄异株;雄花序头状,常成对生于叶腋,花序梗长1.5-4厘米,团伞花簇径6-10 毫米;苞片外层的扁圆形,长约3毫米,内层的圆卵形,稍小。雄花倒梨形,长约2.5毫 米,梗长2-3毫米;花被片4,合生至中部,近兜状,外面近先端处有长角状突起,外 面密布钟乳体,内面下部疏生绵毛;雄蕊4;退化雌蕊圆锥形,不明显。雌花长约1毫米; 花被片4,近等长,略短于子房。花期9-11月。
分布(Distribution):原产越南中部山区,因叶有美丽的白色花斑,
引自中国植物志英文版:FOC Vol. 5 Page 97     
Pilea cadierei Gagnepain & Guillemin, Bull. Mus. Natl. Hist. Nat., sér. 2. 10: 629. 1939.
花叶冷水花 hua ye leng shui hua | Urticaceae  | Pilea
Herbs perennial or subshrubs, rhizomatous, glabrous, dioecious. Stems erect, 15-40 cm tall, somewhat succulent, woody at base; stems, stipules, petioles, and leaves densely covered with cystoliths. Stipules caducous, green, brownish when dry, oblong, 10-13 mm, papery, longitudinally 2-ribbed; petiole subequal in length, 0.7-1.5 cm; leaf blade obovate, subequal in size, 2.5-6 × 1.5-3 cm, papery, 3-veined, lateral veins 3 each side, external secondary veins anastomosing by margin, adaxial surface with 2 interrupted white grooves, base broadly cuneate or subrounded, margin obscurely dentate or erose, apex mucronate. Inflorescences in pairs; male inflorescence a capitulum, peduncle 1.5-4 cm; glomerules 6-10 mm in diam.; bracts broadly ovate, ca. 3 mm. Male flowers: pedicel 2-3 mm, in bud pear-shaped, ca. 2.5 mm; perianth lobes 4, cymbiform, connate 1/2 of length, subapically corniculate; stamens 4; rudimentary ovary conic. Female flowers subsessile; persistent perianth lobes 0.5-0.7 mm, 1/2 as long as achene; staminodes oblong. Achene ovoid, ca. 1.5 mm, compressed. Fl. Sep-Nov, fr. Nov-Dec.
Shaded wet places in forests; 500-1500 m. Guizhou, Yunnan [Vietnam].
This species is commonly cultivated as an ornamental.
 




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