川滇毛茛
基本信息
拉丁文名: Ranunculus potaninii
名称状态: 被SP2000收录,状态为:Ranunculus potaninii为接受名
形态描述
1. Ranunculus potaninii Komarov, Repert. Spec. Nov. Regni Veg. 9 392. 1911. 川滇毛茛 chuan dian mao gen Ranunculus pulchellus C. A. Meyer var. potaninii (Komarov) Handel-Mazzetti.Herbs perennial. Roots fibrous, subequally thick. Stems 20--30 cm, glabrous or sparsely puberulent below. Petiole 4.5--12 cm, glabrous or sparsely puberulent; leaf blade 3-sect or 3-partite, pentagonal-ovate or pentagonal, 2.5--5 × 2.5--5 cm, thinly papery, glabrous or abaxially sparsely appressed pubescent, base broadly cuneate, central segment rhombic, 3-cleft, with narrowly ovate or lanceolate lobes, or undivided and oblong or linear-lanceolate; lateral segments oblique flabellate or oblique cuneate, unequally 2- or 3-cleft, ultimate lobes linear-lanceolate or long elliptic. Lower stem leaves similar to basal ones, upper leaves sessile, 3-sect, segments linear. Monochasium terminal, 1--3-flowered; bracts leaflike. Flowers 1--1.7 cm in diam. Pedicel 1--6 cm, puberulent. Receptacle glabrous. Sepals 5, broadly elliptic, 2.8--4 mm, abaxially puberulent. Petals 5, broadly obovate, 4--8 × 3.2--7 mm, nectary pit without a scale, apex rounded. Stamens numerous; anthers oblong. Aggregate fruit ovoid, 5--7 × 3--4 mm. Achene obliquely obovoid, ca. 1.1 × 1.1 mm, glabrous; style persistent, 0.5--0.7 mm. Fl. May--Jul.Meadows, swamps; 3600--4800 m. SW Gansu, W Sichuan, SE Xizang, NW Yunnan (Zhongdian Xian) [Nepal]. From Flora of China FOC Vol. 6 Page 408国内分布:甘肃,四川,西藏,云南
繁殖方法
种子繁殖:7-10月果实成熟,用育苗移栽或直播法。9月上旬进行育苗,播后覆盖少许草皮灰及薄层稻草,浇透床土,一般1-2星期后出苗,揭去稻草。待苗高6-8厘米时,进行移植。按行株距20厘米×15厘米定植。
栽培技术
生长期管理进入生长期,需追肥1次,每亩施尿素12。追肥后浇1次透水,待水下渗后23天进行中耕松土,保持土壤疏松。生长期适当增加中耕次数,有利于改善毛茛根系生长环境,促根深扎。一般生长期要进行3次中耕,特别是干旱时和下雨过后,进行中耕十分有效。生长期田间杂草会与毛莨争夺养分、水分和空间等,会影响毛茛生长。要见草及时拔除。同时夏季洪涝多发,应注意防洪排涝。