沾地毛茛
基本信息
拉丁文名: Ranunculus radicans
名稱狀態: 被SP2000收錄,狀態為:Ranunculus radicans為接受名
形態描述
Ranunculus radicans C. A. Meyer, Fl. Altaic. 2 316. 1830. 沾地毛茛 zhan di mao gen Ranunculus gmelinii de Candolle var. radicans (C. A. Meyer) Krylov; R. hyperboreus Rottb?ll var. radicans (C. A. Meyer) J. D. Hooker.Herbs perennial, semiaquatic. Roots fibrous, subequally thick. Stems flaccid, glabrous or sparsely appressed puberulent, slightly branched above, rooting at nodes. Stem leaves with petiole 2--3(--8) cm, glabrous or sparsely puberulent; blade 3-partite, orbicular-reniform or cordate-pentagonal, 0.5--1(--1.6) × 0.7--1.7(--2.6) cm, herbaceous, glabrous or sparsely appressed puberulent, base cordate or cordate-truncate, central lobe rhombic-cuneate or broadly rhombic, 3-lobed, lobules entire, obtuse; lateral lobes obliquely flabellate, unequally 2-lobed nearly to middle. Flowers terminal or leaf-opposed, 0.6--0.7(--1.3) cm in diam. Pedicel 1--5 cm, glabrous. Receptacle sparsely puberulent. Sepals 5, ovate, 1.8--2.5 mm, glabrous. Petals 5, oblong-obovate, ca. 2.7 × 1.5 mm, nectary pit without a scale, apex rounded. Stamens ca. 13; anthers broadly ellipsoid. Aggregate fruit 3--5 mm in diam.; carpels numerous. Achene obovoid, 1--1.5 × ca. 0.8 mm, glabrous, margin with corky thickening; style persistent, ca. 0.3 mm. Fl. Jun--Jul.Rivers or river banks. C and N Heilongjiang, N Nei Mongol, N Xinjiang [Mongolia, Russia (Siberia)]. From Flora of China FOC Vol. 6 Page 419
分布範圍
國內分布:內蒙古,新疆,黑龍江全球觀測記錄分布。
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。
病蟲防治
參考文獻
- ↑ 沼地毛茛(zhǎo dì máo gèn)」,植物智, 2019-12-19