Image: Wikimedia Commons (See link for license)
Arrowgrass
Triglochin palustre
γ΅γ³γ«γ―γ€γ°γ΅γ’
A perennial herb growing in salt marshes and inland wetlands. Characterized by slender, rod-shaped leaves and grass-like spicate inflorescences. Contains cyanogenic glycosides in the leaves and roots and is poisonous. Rarely found in the wetlands of Hokkaido, Japan.
Identification Points
- βLeaves are slender, rod-shaped (semi-cylindrical) and erect
- βSmall green flowers with 6 tepals arranged in a spicate inflorescence
- βRoots and leaves contain cyanogenic glycosides (poisonous)
Habitat
Salt marshes, inland bogs, and swamps
Season
JuneβAugust (flowers)
Morphological TraitsAI-estimated, needs verification
Growth form
Herb
Leaf shape
Linear
Habitat
Wetland
Leaf arrangement
Alternate
Leaf type
Simple
Venation
Parallel
Leaf dissection
Undivided
Flower symmetry
Actinomorphic
Ovary position
Superior
Phylogenetic Positionγ·γγη§ β
Phylogenetic Position
Angiosperms > Monocots > Alismatales > Juncaginaceae
Divergence Era
Late Cretaceous (ca. 80 million years ago)
Evolution Notes
Juncaginaceae belongs to an early-diverging monocot lineage, retaining simple floral structure and ancient adaptations to wetland and waterside habitats.
View on evolution timeline βSources & References
AI-generated, needs verification