''Persoonia cornifolia'' is a plant in the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Proteaceae The Proteaceae form a family of flowering plants predominantly distributed in the Southern Hemisphere. The family comprises 83 genera with about 1,660 known species. Together with the Platanaceae and Nelumbonaceae, they make up the order Pro ...

and is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

to eastern Australia. It is a shrub with elliptic to egg-shaped leaves and hairy yellow flowers, and grows in northern New South Wales and south-eastern Queensland.

Description

''Persoonia cornifolia'' is an erect or spreading shrub with hairy young growth. The leaves are elliptic to egg-shaped, long, wide and flat with the edges more or less turned downwards. The leaves are hairy when young but become

glabrous Glabrousness (from the Latin ''glaber'' meaning "bald", "hairless", "shaved", "smooth") is the technical term for a lack of hair, down, setae, trichomes or other such covering. A glabrous surface may be a natural characteristic of all or part of ...

with age. The flowers are arranged in small groups in leaf

axil A leaf ( : leaves) is any of the principal appendages of a vascular plant stem, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, st ...

s with a scale leaf at the base of each flower. Each flower is on the end of a densely hairy

pedicel Pedicle or pedicel may refer to: Human anatomy *Pedicle of vertebral arch, the segment between the transverse process and the vertebral body, and is often used as a radiographic marker and entry point in vertebroplasty and kyphoplasty procedures ...

long. The flower is composed of four hairy

tepal A tepal is one of the outer parts of a flower (collectively the perianth). The term is used when these parts cannot easily be classified as either sepals or petals. This may be because the parts of the perianth are undifferentiated (i.e. of very ...

s long, which are fused at the base but with the tips rolled back. The central

style Style is a manner of doing or presenting things and may refer to: * Architectural style, the features that make a building or structure historically identifiable * Design, the process of creating something * Fashion, a prevailing mode of clothing ...

is surrounded by four yellow

anthers The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filam ...

that are also joined at the base with the tips rolled back, so that it resembles a cross when viewed end-on. The

ovary The ovary is an organ in the female reproductive system that produces an ovum. When released, this travels down the fallopian tube into the uterus, where it may become fertilized by a sperm. There is an ovary () found on each side of the body. ...

is usually hairy. Flowering occurs from December to February and is followed by fruit which are green

drupe In botany, a drupe (or stone fruit) is an indehiscent fruit in which an outer fleshy part (exocarp, or skin, and mesocarp, or flesh) surrounds a single shell (the ''pit'', ''stone'', or '' pyrena'') of hardened endocarp with a seed (''kernel'') ...

Taxonomy and naming

''Persoonia cornifolia'' was first formally described in 1830 by Robert Brown from an unpublished manuscript by Allan Cunningham. Brown's description was published in ''

Supplementum primum Prodromi florae Novae Hollandiae ''Supplementum primum Prodromi florae Novae Hollandiae'' ("First supplement to the Prodromus of the flora of New Holland") is an 1830 supplement to Robert Brown's ''Prodromus florae Novae Hollandiae et Insulae Van Diemen''. It may be referred to ...

''. The

specific epithet In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...

(''cornifolia'') is derived from the

Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power of the ...

words ''cornu'' meaning "horn" and ''folium'' meaning "leaf".

Distribution and habitat

This persoonia grows in woodland and forest north from the

Moonbi Range The Moonbi Range, a mountain range that is part of the Great Dividing Range, is located in the Northern Tablelands of New South Wales, Australia. The range is located roughly north east of the city of Tamworth situated at the bottom of the W ...

in north-eastern New South Wales and in south-eastern Queensland. Image:Persoonia cornifolia fruit.jpg, Fruit and foliage of ''Persoonia cornifolia'' Image:Persoonia cornifolia habit.jpg, ''Persoonia cornifolia'' growing near

Cathedral Rock National Park Cathedral Rock is a national park west of Waterfall Way in New South Wales, Australia, east of Armidale and about north of Sydney. This park is lying between the Guy Fawkes River and Macleay Range, and is about six kilometres west of Ebor, ...

Image: Persoonia cornifolia ovary.jpg, Hairy ovary of ''Persoonia cornifolia''

References

{{Taxonbar, from=Q7170710 cornifolia Flora of New South Wales Flora of Queensland Proteales of Australia Taxa named by Allan Cunningham (botanist) Plants described in 1830