Grass Vetchling

Lathyrus nissolia

"Lathyrus nissolia", the grass vetchling or grass pea, is a plant species of the genus "Lathyrus". It is native to most of Europe, Maghreb, Levant and the Caucasus. Despite its common names, it is not a grass, but belongs to the legume family Fabaceae.
Lathyrus nissolia  Geotagged,Lathyrus nissolia,Spring

Appearance

Grass vetchling is an annual plant, with an erect stem branching from the base, and growing to a height of about 2 feet. It is entirely without true leaves, leaflets or tendrils. The leaf stalk, however, is flattened out until it closely resembles a blade of grass ending in a fine point, and the stipules at its base greatly help the deception.

The crimson flowers come out in June and July, and are rather small, solitary and borne on a very long footstalk. They have the ability to self-pollinate.

The flowers are succeeded by long, slender, straight pods, which are at first very flat, but become cylindrical when the contained peas are fully developed.
Lathyrus nissolia  Belgium,Geotagged,Lathyrus nissolia,Spring

Distribution

The species is rare in Scotland and very localised in England and Wales, though there are signs that it is currently spreading in the United Kingdom. Not recorded from Ireland.
Lathyrus nissolia  Grass Vetchling,Lathyrus nissolia

Habitat

Grassland, banks and field margins on neutral to acid soil.

References:

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Taxonomy
KingdomPlantae
DivisionAngiosperms
ClassEudicots
OrderFabales
FamilyFabaceae
GenusLathyrus
SpeciesL. nissolia
Photographed in
Belgium
Israel