Hakea trineura

Location & distribution maps

Common name:         ...

Conservation status: Vulnerable

• Hakea trineura is listed as "vulnerable" by the Australian Department of the Environment Protection and Biodiversity Conservation Act.

Etymology:   

• The genus is named after Baron Christian Ludwig von Hake, an 18th-century German patron of botany

• It is said to be named from the Greek trineura referring to the three-veined leaves; Trineura is however not attested in ancient Greek

Flowers:                  

• The inflorescence consists of 60-80 greenish-yellow flowers on a smooth or with sparsely flattened soft hairs on a rachis up to 40–70 mm long

• The mid-green pedicel 2.3–3 mm long and smooth

• The deep yellow perianths are 7–8.5 mm long and are smooth or with a few hairs when in bud

• The styles are mid-green and the pistil 18–26 mm long

• Flowering occurs from May to September 

Fruit:                         

• The fruit are smooth, obliquely egg-shaped 2–4 cm long by 1.5–2 cm wide and slightly curved

Leaves:         

• The leaves grow on a petiole about 1–2.5 cm long

• They are narrowly elliptic to egg-shaped 7–20 cm long by 1.3–7 cm wide with three distinct longitudinal veins

• The leaves narrow gradually to the apex ending either with a sharp point or rounded

Stem & branches: 

• The branchlets and new leaf growth have flattened, brown, short soft silky hairs, or are smooth

Roots:         

Habit:        

• It is a multi-stemmed shrub growing to 1–3 m high and forms a lignotuber

Habitat:   

• It grows in hilly eucalyptus woodland over hummock grasslands

• It is a quick growing shrub in tropical areas

Distribution:                  

• It is restricted to the Maryborough to Rockhampton area of Queensland

Additional notes:   

• Taxonomy 

  • Hakea trineura was first formally described in 1868 by Ferdinand von Mueller who gave it the name Grevillea trineura and published the description in Fragmenta Phytographiae Australiae

  • In 1868 Mueller changed the name to Hakea trineura

Sources of information:

• https://en.wikipedia.org/wiki/Hakea_trineura (2024)