宫廷草 / 红色有茎草丛 (圆叶节节菜/红蝴蝶)养护指南
Rotala rotundifolia / Ludwigia palustris · Lythraceae (Rotala) / Onagraceae (Ludwigia)
宫廷草 / 红色有茎草丛 (圆叶节节菜/红蝴蝶) (Rotala rotundifolia / Ludwigia palustris) 是一种水草。 隶属于Lythraceae (Rotala) / Onagraceae (Ludwigia)科。 原产于Rotala rotundifolia: Himalaya and India through Indo-China to southern China, Taiwan and southern Japan; Ludwigia palustris: near-worldwide in temperate and subtropical wetlands。 生长需要medium光照。 适宜水温：20°C – 28°C。 pH范围：5.0 – 8.0。 养护难度：Easy。 生长速度：快速。
如何养护宫廷草 / 红色有茎草丛 (圆叶节节菜/红蝴蝶)？
| 光照 | Medium (both grow in low light; strong light, about 0.5 – 1 W/L, is only needed for red/orange tips and compact growth) |
|---|---|
| CO₂ | Helpful (low demand; CO₂ deepens the red) |
| 水温 | 20°C – 28°C |
| pH | 5.0 – 8.0 |
| 造景位置 | Midground & background in groups (suits Dutch layouts) |
| 生长速度 | 快速 |
| 养护难度 | Easy |
| 科属 | Lythraceae (Rotala) / Onagraceae (Ludwigia) |
如何修剪与繁殖宫廷草 / 红色有茎草丛 (圆叶节节菜/红蝴蝶)？
Cut the longest shoots just above a leaf pair and replant the tops into the group; the stump sprouts side shoots and the bush gets denser. Trim little and often — heavy cuts can upset the tank's balance, and frequent pruning keeps the lower leaves alive.
宫廷草 / 红色有茎草丛 (圆叶节节菜/红蝴蝶)有哪些常见问题？
Bare, leafless lower stems from the tops shading the base; green instead of red tops from too little light or high nitrate; hair/thread algae on the tops from nutrient imbalance; pale, stunted new growth from a micronutrient/iron shortage.
如何解决宫廷草 / 红色有茎草丛 (圆叶节节菜/红蝴蝶)的常见问题？
Trim more often, replanting the tops and discarding leggy bases; raise light, add CO₂ and keep nitrate modest; regular water changes and Amano shrimp for algae; dose micronutrients.
宫廷草 / 红色有茎草丛 (圆叶节节菜/红蝴蝶)原产于哪里？
Rotala rotundifolia: Himalaya and India through Indo-China to southern China, Taiwan and southern Japan; Ludwigia palustris: near-worldwide in temperate and subtropical wetlands (the Americas, Europe, Africa, West Asia) · 原生生境产区：South America。
购买宫廷草 / 红色有茎草丛 (圆叶节节菜/红蝴蝶)前需要了解什么？
Rotala rotundifolia is naturalised in Florida, Alabama, south-eastern Brazil and Queensland — never discard trimmings into natural waterways.
参考来源
- Rotala rotundifolia — Tropica Aquarium Plants
- Ludwigia palustris 'Super Red' — Tropica Aquarium Plants
- Rotala rotundifolia — Flowgrow aquatic plant database
- Ludwigia palustris — Flowgrow aquatic plant database
- Rotala rotundifolia distributions (WCVP, Kew) — GBIF / WCVP
- Ludwigia palustris distributions (WCVP, Kew) — GBIF / WCVP
- Trimming — Tropica guide
- Planting — Tropica guide
- Fertiliser and CO2 — Tropica guide
- Light — Tropica guide
- Types of algae — Tropica guide
养护信息已于 2026-09-23 与这些来源核对。
哪些造景和水族缸会用到宫廷草 / 红色有茎草丛 (圆叶节节菜/红蝴蝶)？
- Aquarium algae: identify the type and fix the cause
- Balancing light, CO₂ and fertiliser in a planted tank
- How to cycle a new aquarium (nitrogen cycle)
- Dutch aquarium style: plant streets and rules
- Jungle aquascape: plants, layering and setup
- Nature Aquarium style: layout rules and setup
如何在3D生态缸中查看宫廷草 / 红色有茎草丛 (圆叶节节菜/红蝴蝶)？
- 荒野之声 — 水草缸
- 沉木与石头流木造景 (Ryuboku) — 水草缸