三裂天胡荽 (日本天胡荽)养护指南
Hydrocotyle cf. tripartita ('Japan') · Araliaceae
三裂天胡荽 (日本天胡荽) (Hydrocotyle cf. tripartita ('Japan')) 是一种水草。 隶属于Araliaceae科。 原产于H. tripartita is native to south-eastern Australia & New Zealand; the aquarium plant's wild origin is uncertain。 生长需要medium光照。 适宜水温：18°C – 28°C。 pH范围：5.0 – 7.5。 养护难度：容易至中等。 生长速度：快。
如何养护三裂天胡荽 (日本天胡荽)？
| 光照 | Medium (strong light keeps it low and creeping; in weak light it climbs and gets leggy) |
|---|---|
| CO₂ | Helpful (mainly for a low, flat carpet) |
| 水温 | 18°C – 28°C |
| pH | 5.0 – 7.5 |
| 造景位置 | 前景至中景，缠绕在石头和沉木之间 |
| 生长速度 | 快 |
| 养护难度 | 容易至中等 |
| 科属 | Araliaceae |
如何修剪与繁殖三裂天胡荽 (日本天胡荽)？
Trim often, cutting upright shoots near the substrate so it spreads sideways; pressing the carpet down by hand during maintenance also keeps it compact. Replant cuttings and runners to propagate.
三裂天胡荽 (日本天胡荽)有哪些常见问题？
Tall, sparse upright stems in weak light; smothers its neighbours because the runners grow so fast; melting after sudden changes in water parameters.
如何解决三裂天胡荽 (日本天胡荽)的常见问题？
Raise light and cut back upright shoots; trim often; keep water conditions stable.
三裂天胡荽 (日本天胡荽)原产于哪里？
H. tripartita is native to south-eastern Australia & New Zealand; the aquarium plant's wild origin is uncertain (probably Australia) — "Japan" comes from its import route via Thailand (2008) and Japan (2010) · 原生生境产区：Australia。
参考来源
- World Checklist of Vascular Plants: Hydrocotyle tripartita R.Br. ex A.Rich. — Royal Botanic Gardens, Kew / GBIF
- Hydrocotyle cf. tripartita — Flowgrow Aquatic Plant Database
- Hydrocotyle tripartita (plant details) — Tropica
- Hydrocotyle tripartita — Dennerle Plants
- Hydrocotyle Tripartita (Hydrocotyle Japan) — Buce Plant
养护信息已于 2026-09-23 与这些来源核对。