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Lopseed
Phryma leptostachya subsp. asiatica
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A perennial herb growing in mountain forest edges and understory. Fruits are dispersed by hooking onto animals or clothing via hooked calyx lobes. The roots and leaves contain insecticidal compounds that kill flies, which is the origin of its Japanese name ('fly-poison herb').
Identification Points
- βFruits rod-shaped with hooked calyx lobes that cling to clothing
- βPale purple bilabiate flowers in a spike inflorescence
- βLeaves opposite, ovate to elliptic with serrate margins
Habitat
Mountain forest edges and understory
Season
JulyβAugust (flowers)
Morphological TraitsAI-estimated, needs verification
Growth form
Herb
Leaf arrangement
Opposite
Leaf margin
Serrate
Leaf shape
Round
Habitat
Forest
Leaf type
Simple
Venation
Pinnate
Petal count
5 petals
Petal fusion
Fused
Stipules
Absent
Leaf dissection
Undivided
Flower symmetry
Zygomorphic
Ovary position
Superior
Plant sex
Hermaphrodite
Stamen count
3-4
Phylogenetic Positionγγ¨γγ―γ½γ¦η§ β
Phylogenetic Position
Angiosperms > Eudicots > Core eudicots > Lamiales > Phrymaceae
Divergence Era
Paleogene to Neogene
Evolution Notes
Phrymaceae is placed close to Plantaginaceae in the APG system and belongs to the order Lamiales.
View on evolution timeline βSources & References
AI-generated, needs verification