Lathyrus japonicus var. maritimus
Beach pea Taxonomy
Synonyms: Lathyrus maritimus, Lathyrus maritimus var. glaber, Lathyrus japonicus var. glaber, Lathyrus japonicus glaber Subspecific taxa: Classification:
Other taxonomic & nomenclature sources: USDA Plants;  ITIS;  The Plant List;  IPNI Species Distribution
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County Map Legend
Absent: Not known from county Medium confidence: Medium or unknown confidence; often old records or unverifiable observations Medium-high confidence: Often observations by expert botanists High confidence: Often vouchered herbarium records Planted / introduced: Native species introduced outside historic range, or only in planted locations within county (e.g., restorations) Historic / extirpated: Only historic records for the species; likely extirpated (Note that this category is not yet functional) North American distribution maps for this species: FLNA;  USDA Plants;  BONAP;  BISON
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Species Status
Status/Listing: Extinct Notes:While this species' native populations have been extirpated, there is potential that it could repopulate areas of beach along Lake Michigan on its own. It has also recently been planted in areas along the Lake Michigan shore. Origin: Native
Species Description
General: Dicot-herb, perennial Roots: primary, adventitious, rhizomes Shoots: alternate leaf arrangment; compound, pinnately leaf type; entire leaf margin; Pinnate leaf venation; linear, lanceolate, oblanceolate leaf shape Inflorescence: raceme Flowers: perfect; 5 merous; complete, irregular; violet, white; perigynous ovary position Fruit: legume Physiology: autotrophic; C3 C02 fixation Reproduction: sexual, vegetative
Ecology & Natural History
Habitat: Lake Michigan Beaches. ILPIN Notes: Leaves terminated by a tendril; calyx irregular; glabrous plants. Functional Relationships:
Human Relationships:
Wildlife and Livestock Information:
Coefficient of Conservatism (C-value) [?] :
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