Lathyrus sphaericus is a species of wild pea known by the common names grass pea and round-seeded vetchling.
 It is native to Eurasia and much of Africa, and it is known on other continents as an introduced species.
 It can grow in many types of habitat, including disturbed areas.
 This is an annual herb producing a slender stem and bearing leaves each made up of two long, narrow, grasslike leaflets up to 6 centimeters long and a coiling, climbing tendril.
 The inflorescence is made up of one pea flower on a stalk one or two centimeters long ending a in a bristle.
 The flower is roughly a centimeter long and deep orange-red or dull red in color.
 The fruit is a hairless legume pod marked with longitudinal stripes.
Lyonothamnus is a monotypic genus of trees in the rose family containing the single living species Lyonothamnus floribundus, which is known by the common name Catalina ironwood, and the subspecies "L. f." ssp.
 "aspleniifolius" and "L. f." ssp.
 "floribundus".
Lathyrus bijugatus is a species of flowering plant in the legume family known by the common names drypark pea, pinewoods sweetpea, and Latah tule-pea.
 It is native to western North America from British Columbia to Oregon to Montana, and possibly as far south as California.
Lathyrus laevigatus is a flowering plant of the genus "Lathyrus" in the legume family Fabaceae.
 It is native to middle, eastern, and southeastern Europe.
Lathyrus (commonly known as peavines or vetchlings) is a genus in the legume family Fabaceae and contains approximately 160 species.
 They are native to temperate areas, with a breakdown of 52 species in Europe, 30 species in North America, 78 in Asia, 24 in tropical East Africa, and 24 in temperate South America.
 There are annual and perennial species which may be climbing or bushy.
 This genus has numerous sections, including "Orobus", which was once a separate genus.
Lathyrus biflorus is a rare species of wild pea known by the common name twoflower pea.
 It is endemic to Humboldt County, California, where it is known only from the Mount Lassic Wilderness.
 It is a member of the serpentine soils flora.
 This is a petite perennial herb growing thin, tough, fuzzy stems with leaves each made up of two pairs of small linear leaflets.
 There are tiny bristlelike tendrils.
 The inflorescence bears two greenish-white pea flowers each up to a centimeter wide.
 The fruit is a hairless dehiscent legume pod.
Lathyrus delnorticus is an uncommon species of wild pea known by the common name Del Norte pea.
 It is native to the Klamath Mountains of southern Oregon and northern California, where it is a member of the serpentine soils flora.
 This is a hairless perennial herb producing a winged or flanged stem.
 The leaves are made up of several pairs of oval or lance-shaped leaflets and the stipules of the leaves are wide and toothed.
 There are branching, coiled tendrils.
 The plant bears a dense inflorescence of up to 10 pea lavender-veined white flowers each up to 1.5 centimeters wide.
 The fruit is a hairless dehiscent legume pod.
Lathyrus cicera is a species of wild pea known by the common names red pea, red vetchling and flatpod peavine.
 It is native to Europe, North Africa, and the Middle East, and it is known from other places as an introduced species.
 This is a hairless annual herb producing a slightly winged stem.
 The leaves are each made up of two leaflike linear leaflets 3 to long.
 They also bear branched, curling tendrils.
 The inflorescence holds a single pea flower 1 to wide which is a varying shade of red.
 The fruit is a hairless dehiscent legume pod.
Lathyrus hirsutus is a species of wild pea known by several common names, including Caley pea, hairy vetchling, and Austrian winterpea.
 It is native to Europe, North Africa, and much of Asia, and it is known from other continents, including North America, as an introduced species.
 This is an annual herb producing a winged stem and leaves each made up of two leaflike leaflets with a branching, coiled tendril.
 The inflorescence holds one or two pink, blue, or bicolored pea flowers each 1 to 1.5 centimeters wide.
 The fruit is a dehiscent legume pod covered in hairs with each hair growing from a minute bulbous base.
 The rest of the plant is generally hairless.
Lathyrus splendens is a species of wild pea known by the common names pride of California and Campo pea.
 It is native to Baja California and its range extends into San Diego County, California, where it grows in the chaparral.
 This is a climbing perennial pea vine with coiling tendrils. Its leaves are each made up of 6 to 8 linear to oval-shaped leaflets a few centimeters long and wavy-margined stipules.
 The plant produces showy inflorescences of up to 6 bright to deep red flowers each about 3 centimeters wide.
 The fruit is a hairless dehiscent legume pod.

Question: Are Lathyrus and Lyonothamnus both types of legume?
Answer: no