卵叶丁香蓼

卵叶丁香蓼的基本数据

养护难度

适合中级者

寿命

多年草

体型

矮型有茎草。叶长0.5～3厘米

适宜温度

22〜26℃

浇水

CO2为可选项。补充铁质和微量元素可改善着色效果

光照条件

在中等至强光照下生长良好。陆生栽培时需要直射阳光一样的强光和高湿度。

CO2与肥料

CO2注入非必需但可促进生长健壮迅速。适度限制硝酸盐和磷酸盐，补充铁质可加深色泽。

水温与水质

适温为22～26℃。喜好软水至中硬度（碳酸盐硬度1～7°dKH）、pH值4.5～7的水质。

底床与种植

插入底床种植。株型较矮，适合作为中景至前景草使用。

修剪与繁殖

剪取侧枝或顶端重新种植即可繁殖。

注意事项

叶片对生的美国丁香蓼和沼生丁香蓼（两者均为外来物种）容易混淆，需注意叶的排列方式。水草不应弃置于室外，避免逸出水族箱。

关于卵叶丁香蓼

Ludwigia ovalis, a Japan-native stem plant with rounded oval leaves that turn pink to orange underwater. This perennial adds soft color to aquascapes and suits intermediate keepers.

开始养护卵叶丁香蓼前需要了解的7件事

1. 1Lighting Affects Color

   Strong lighting brings out deeper pink and orange tones in the leaves. Under weaker light, the leaves tend to stay greenish, so place this plant where it gets good light.

2. 2CO2 Keeps It Compact

   Adding CO2 helps keep the stems sturdy and the nodes close together, preserving a neat growth habit. It can still grow without CO2, but the stems may become leggier.

3. 3Choose Nutrient Soil

   A nutrient-rich soil substrate helps the roots establish well. Bury the roots firmly into the substrate at planting time to help the plant settle in.

4. 4Trim and Replant

   Once the stems lengthen and lower leaves start dropping, cut the growing tip and replant it to keep the plant looking fresh. Trim overgrown stems regularly to prevent crowding at the base.

5. 5ID by Leaf Arrangement

   A key trait of this species is its alternate leaf arrangement, with one leaf per node. If you're unsure whether you have this plant or the similar-looking Ludwigia repens or palustris, checking this leaf pattern helps tell them apart.

6. 6Avoid Sudden Water Changes

   This plant tends to do best in slightly acidic to neutral water and doesn't respond well to sudden shifts in water conditions. Since it's a perennial, it can be kept long-term, but avoiding abrupt changes in temperature or water chemistry is key to growing it steadily.

7. 7Picking a Healthy Plant

   When choosing a plant, look for one with vibrant leaf color, sturdy stems, and closely spaced nodes. Healthy specimens without blackened or melting leaves and with well-developed roots tend to establish more easily after planting.

卵叶丁香蓼的常见问题

Q.Can beginners grow Ludwigia ovalis?

A.It's generally considered a plant for intermediate keepers. Those with some basic aquascaping experience can take it on, though keeping its coloration vivid requires attention to lighting.

Q.Why aren't the leaves turning red?

A.Insufficient light is a common cause. Moving the plant to a spot with stronger lighting can gradually improve its coloration.

Q.How is it different from Ludwigia repens?

A.The two look quite similar, but Ludwigia ovalis is distinguished by its alternate leaf arrangement, with one leaf per node. Checking this leaf pattern is the easiest way to tell them apart.

Q.How large does this plant grow?

A.It's a low-growing stem plant with leaves around 0.5 to 3 cm long. Since it doesn't get overly large, it works well in the midground to foreground of a layout.

Q.Can it be kept growing for a long time?

A.Yes, it's a perennial, so it can be grown long-term when conditions suit it. Regular trimming and replanting help maintain a neat growth habit over time.

卵叶丁香蓼种植的实用工具

在图鉴中详细了解卵叶丁香蓼

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