Lathyrus japonicus var. japonicus

Synonyms: Lathyrus japonicus var. aleuticus (Greene ex T. G. White) Fernald L. japonicus var. parviflorus Fassett
Treatment appears in FNA Volume 11.

Stems 1–3.5 dm. Leaves 3–7 cm; tendrils unbranched, less than 3 cm; leaflets 6–8, blades 15–35 × 5–15 mm, surfaces gla­brous. 2n = 14.


Phenology: Flowering Apr–Sep.
Habitat: Sandy or gravelly ocean shores, lakeshores.
Elevation: 0–50 m.

Distribution

Greenland, St. Pierre and Miquelon, Man., N.B., Nfld. and Labr., N.W.T., Nunavut, Ont., P.E.I., Que., Yukon, Alaska, Mich., Eurasia, introduced in South America (Chile).

Discussion

Variety japonicus is a diminutive, low-growing form found most often on sandy or rocky beaches in arctic and subarctic regions.

Selected References

None.

Lower Taxa

None.
Steven L. Broich +
Willdenow +
Greenland +, St. Pierre and Miquelon +, Man. +, N.B. +, Nfld. and Labr. +, N.W.T. +, Nunavut +, Ont. +, P.E.I. +, Que. +, Yukon +, Alaska +, Mich. +, Eurasia +  and introduced in South America (Chile). +
0–50 m. +
Sandy or gravelly ocean shores, lakeshores. +
Flowering Apr–Sep. +
Lathyrus japonicus var. aleuticus +  and L. japonicus var. parviflorus +
Lathyrus japonicus var. japonicus +
Lathyrus japonicus +
variety +