Lathyrus pauciflorus var. pauciflorus

Illustrated
Synonyms: Lathyrus pauciflorus var. tenuior (Piper) H. St. John
Treatment appears in FNA Volume 11.

Leaflets: blades lanceolate to linear, 20–80 × 2–25 mm, width less than 1/2 length. Inflores­cences 4–6-flowered.


Phenology: Flowering Apr–Jun.
Habitat: Sage­brush steppes, pine and pine-juniper woodlands.
Elevation: 500–2000 m.

Discussion

While the range of leaflet shape (lanceolate to extreme linear) in var. pauciflorus is striking, there is a complete series of intermediate forms making recognition of var. tenuior, with linear leaflets, as separate from var. pauciflorus, with broader leaflets, unreliable.

Selected References

None.

Lower Taxa

None.
Steven L. Broich +
Fernald +
Idaho +, Oreg. +  and Wash. +
500–2000 m. +
Sagebrush steppes, pine and pine-juniper woodlands. +
Flowering Apr–Jun. +
Illustrated +
Lathyrus pauciflorus var. tenuior +
Lathyrus pauciflorus var. pauciflorus +
Lathyrus pauciflorus +
variety +