Gompholobium grandiflorum

Location & distribution maps

Common name:         ...

• Commonly known as large wedge-pea, it is a species of flowering plant in the family Fabaceae and is endemic to eastern New South Wales. 

Conservation status: ...

Etymology:   

• The genus name is derived from the Ancient Greek words gomphos, meaning "bolt", "peg", or "nail"  and lobos meaning a "capsule" or "pod"   referring to "the inflated shape of the seed pods"

• The specific epithet (grandiflorum) means "large-flowered" but the flowers are only large in comparison to those known to Smith at the time

Flowers:                  

• The flowers are 15–25 mm long and arranged singly or in small groups on the ends of branches

• Each flower on a pedicel up to 7 mm long.

• The standard petal and wings are lemon-yellow and the keel is greenish

• The sepals are about 12 mm long

• Flowering occurs in most months but mainly in spring 

Fruit:                         

• The fruit is an oval pod up to 15 mm long

Leaves:         

• The leaves are trifoliate with linear leaflets 11–33 mm long and about 0.5–1.6 mm wide 

• The edges curved down or rolled under

• It has a sharp point on the tip 

Stem & branches: 

Roots:         

Habit:        

• An erect, more or less glabrous shrub that typically grows to a height of 1–2 m and has smooth, often warty stems

Habitat:   

• Grows in forest and heath on sandstone soils

Distribution:                  

• On the coast and nearby tablelands of NSW between Gosford and Jervis Bay and inland to the Blue Mountains

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Species:                     

• World:           

• Australia:     

Additional notes:     

Sources of information:

• https://en.wikipedia.org/wiki/Gompholobium_grandiflorum (2025)