Botanical Family · Saxifragales

Haloragaceae

Watermilfoil Family

2 speciesOrder Saxifragales2+ well-known plants

The Haloragaceae family (Watermilfoil Family) is a botanical family placed in the order Saxifragales. In the SASYA catalogue it spans 2 species. Its members are predominantly herbs. Several members are valued in traditional medicine. Familiar examples include Few-Flowered Watermilfoil and Red Myriophyllum.

Browse all 2 species ↓
Representative HALORAGACEAE specimen
Representative specimen · Haloragaceae
Key pattern

Finely feathery, often whorled leaves on aquatic and marsh herbs, with submerged leaves typically much more finely divided than any emergent ones on the same plant; tiny, often petal-less flowers form along a spike that rises just above the water.

Many species show striking leaf dimorphism — the same plant grows finely feathered, thread-like leaves underwater and broader, simpler leaves in air, an adaptation to two very different light and support conditions.

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Which Haloragaceae species is this?

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Key TraitWhat single feature best distinguishes it?
Finely feathered submerged aquatic leaves, few flowers
Reddish feathery submerged foliage

Typical flower & fruit

Typical of the family — flowering plants only; species can vary.

Notable members

All 2 species in HALORAGACEAE

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