Lathyrus biflorus

T. W. Nelson & J. P. Nelson

Brittonia 35: 183, fig. 2. 1983.

Common names: Two-flowered sweet pea
EndemicConservation concern
Treatment appears in FNA Volume 11.

Herbs perennial, from rhizome, villous. Stems angled, erect or sprawling, basally branched 1–3 times, 0.5–1 dm. Leaves 0.5–1 cm; tendrils absent or reduced to flattened bristles; stipules linear, 4–5 × 1–2 mm, ca. 1/2 length of leaflets; leaflets (3 or)4(or 5), paired, blades lan­ceolate, 6–12 × 2–3 mm, surfaces finely villous. Inflorescences 1- or 2-flowered, 1 cm. Flowers 7–8 mm; calyx lobes subequal, lateral lobes deltate, shorter than tube; corolla cream, banner erect, blade equal to claw, wings equal to keel; ovary glabrous. Legumes 13–15 × 3–5 mm.


Phenology: Flowering Jun.
Habitat: Serpentine outcrops and Jeffrey pine woodlands.
Elevation: 1300–1400 m.

Discussion

Lathyrus biflorus is known only from southeastern Humboldt County.

Selected References

None.

Lower Taxa

None.
... more about "Lathyrus biflorus"
Steven L. Broich +
T. W. Nelson & J. P. Nelson +
Two-flowered sweet pea +
1300–1400 m. +
Serpentine outcrops and Jeffrey pine woodlands. +
Flowering Jun. +
Endemic +  and Conservation concern +
Papilionoideae de +
Lathyrus biflorus +
Lathyrus +
species +