川滇毛茛
基本信息
拉丁文名: Ranunculus potaninii
名稱狀態: 被SP2000收錄,狀態為:Ranunculus potaninii為接受名
形態描述
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國內分布:甘肅,四川,西藏,雲南
繁殖方法
種子繁殖:7-10月果實成熟,用育苗移栽或直播法。9月上旬進行育苗,播後覆蓋少許草皮灰及薄層稻草,澆透床土,一般1-2星期後出苗,揭去稻草。待苗高6-8厘米時,進行移植。按行株距20厘米×15厘米定植。
栽培技術
生長期管理進入生長期,需追肥1次,每畝施尿素12。追肥後澆1次透水,待水下滲後23天進行中耕鬆土,保持土壤疏鬆。生長期適當增加中耕次數,有利於改善毛茛根系生長環境,促根深扎。一般生長期要進行3次中耕,特別是乾旱時和下雨過後,進行中耕十分有效。生長期田間雜草會與毛莨爭奪養分、水分和空間等,會影響毛茛生長。要見草及時拔除。同時夏季洪澇多發,應注意防洪排澇。