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Photographer: Gary Fewless
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Family Fabaceae
Lathyrus tuberosus L.
tuberous sweet pea, tuberous vetchling
Lathyrus: from the Greek lathyros, an old name for "pea"
tuberosus: from Latin meaning "tuberous," referring to thickened roots
Hazardous 
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| Status: | Introduced - escaped |
| Plant: | erect, perennial, to 32" tall forb; stems angled, wingless; rhizomes with small tubers |
| Flower: | red to purple, 5-parted, 1/2" long; inflorescence a dense, long-stalked cluster (raceme) of 2-10 stalked flowers |
| Fruit: | pod |
| Leaf: | 2 leaflets with a tendril at the end; symmetrical, lance-shaped, leaf-like appendages at base of the stalk |
| (Glossary) |
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