Lathyrus lanszwertii

{{Short description|Species of plant in the pea family}}

{{Speciesbox

| image = Lathyrus lanszwertii.jpg

| image_caption =

| status = {{TNCStatus}}

| status_system = TNC

| status_ref = {{cite web |last1=NatureServe |title=Lathyrus lanszwertii |url=https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.133585/Lathyrus_lanszwertii |access-date=2 July 2024 |location=Arlington, Virginia |date=2024}}

| genus = Lathyrus

| species = lanszwertii

| authority = Kellogg

| subdivision_ranks = Varieties

| subdivision_ref = {{cite POWO |id=30207537-2 |title=Lathyrus lanszwertii Kellogg |access-date=3 July 2024}}

| subdivision = {{Species list

| Lathyrus lanszwertii var. aridus | (Piper) Jeps.

| Lathyrus lanszwertii var. arizonicus | (Britton) S.L.Welsh

| Lathyrus lanszwertii var. bijugatus | (T.G.White) Broich

| Lathyrus lanszwertii var. lanszwertii |

| Lathyrus lanszwertii var. pallescens | Barneby

}}

| synonyms_ref = {{cite POWO |id=136122-2 |title=Lathyrus lanszwertii var. aridus (Piper) Jeps. |access-date=3 July 2024}}{{cite POWO |id=136123-2 |title=Lathyrus lanszwertii var. arizonicus (Britton) S.L.Welsh |access-date=3 July 2024}}{{cite POWO |id=60475717-2 |title=Lathyrus lanszwertii var. bijugatus (T.G.White) Broich |access-date=3 July 2024}}{{cite POWO |id=77172992-1 |title=Lathyrus lanszwertii var. lanszwertii |access-date=3 July 2024}}

| synonyms = {{Collapsible list | {{Species list

| Lathyrus arizonicus | Britton (1894)

| Lathyrus bijugatus | T.G.White (1894)

| Lathyrus goldsteinae | Eastw. (1905)

| Lathyrus coriaceus | T.G.White (1894)

| Lathyrus leucanthus | Rydb. (1901)

| Lathyrus oregonensis | T.G.White (1894)

| Lathyrus sandbergii | (T.G.White) Howell (1898)

}}

}}

}}

Lathyrus lanszwertii[http://www.ildis.org/LegumeWeb?version~10.01&LegumeWeb&tno~11466#1 ILDIS LegumeWeb] is a species of sweet pea known by the common names Nevada sweet pea or peavine. It is found in western North America from California to Texas to British Columbia. It is a tender vining perennial which bears lavender, fuchsia, or white pea flowers, and pods containing inedible peas.

There is much variation among individuals of this species, and there are several distinct varieties:{{cite POWO |id=30207537-2 |title=Lathyrus lanszwertii Kellogg |access-date=21 March 2024}}

• Lathyrus lanszwertii var. aridus - {{small|(Piper) Jeps.}}
• Lathyrus lanszwertii var. arizonicus {{small|(Britton) S.L.Welsh}}
• Lathyrus lanszwertii var. bijugatus {{small|(T.G.White) Broich}}
• Lathyrus lanszwertii var. lanszwertii
• Lathyrus lanszwertii var. pallescens {{small|Barneby}}