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.