Persoonia isophylla

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Persoonia isophylla
Persooniareptilepark1.JPG
Persoonia isophylla at the Australian Reptile Park
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Persoonia
Species:
P. isophylla
Binomial name
Persoonia isophylla
PersooniaisophyllaDistMap39.png
Occurrence data from Australasian Virtual Herbarium

Persoonia isophylla is a plant in the family Proteaceae and is endemic to New South Wales. It is an erect or spreading shrub with soft, pine-like leaves and groups of cylindrical yellow flowers. It is similar to P. pinifolia but the flowers of that species have small leaves at their base, where the flowers of P. isophylla have full-sized leaves at their base. The two species sometimes grow together but hybrids between them are rare.

Contents

Description

Persoonia isophylla is an erect or spreading shrub which grows to a height of 0.3–1.5 m (1–5 ft) and has smooth bark. The leaves are arranged alternately and are narrow cylindrical in shape, 12–30 mm (0.5–1 in) long, about 0.5 mm (0.02 in) wide and glabrous when mature. The flowers are arranged in groups of between ten and seventy at the ends of the branches. The groups have a stalk 5–90 mm (0.2–4 in) long, each flower with a pedicel up to 1.5 mm (0.06 in) long. There is a full-sized leaf at the base of the group which continues to grow after flowering. The flower is composed of four yellow glabrous or slightly hairy tepals 7–8 mm (0.28–0.31 in) long, which are fused at the base but with the tips rolled back. The central style is surrounded by four yellow anthers which are also joined at the base with the tips rolled back, so that it resembles a cross when viewed end-on. Flowering occurs from January to July and is followed by fruit which are smooth green drupes usually with reddish-purple blotches. [2] [3] [4]

Taxonomy and naming

Persoonia isophylla was first formally described in 1991 by Peter H. Weston and Lawrie Johnson from a specimen collected at Peats Ridge. The description was published in Telopea . [5] [2] The specific epithet (isophylla) is derived from the Ancient Greek prefix isos meaning "equal" [6] :306 and phyllon meaning "leaf" [6] :466referring to groups of flowers which have a full-sized leaf at their base. [2]

Distribution and habitat

This persoonia grows in sandy soils derived from Sydney sandstone at altitudes up to 250 m (800 ft) between Gosford and Frenchs Forest. [2] [3]

Related Research Articles

<i>Persoonia pauciflora</i> Species of flowering plant

Persoonia pauciflora, commonly known as the North Rothbury persoonia, is a plant in the family Proteaceae and is endemic to a small area of New South Wales. It is a small, spreading shrub with bright green, thread-like leaves and a relatively small number of yellow flowers in summer. A recently described species, it is similar to P. isophylla but has fewer and shorter flowers than that species. A very restricted distribution has led to its classification as "critically endangered" under the Australian Government Environment Protection and Biodiversity Conservation Act 1999.

<i>Persoonia procumbens</i> Species of shrub

Persoonia procumbens is a plant in the family Proteaceae and is endemic to part of the New England Tableland. It is a prostrate shrub with rather fleshy, relatively large leaves and small groups of cylindrical yellow flowers. It is similar to P. daphnoides but has darker hairs on the young branches and smaller, less hairy flowers.

<i>Persoonia elliptica</i> Species of flowering plant

Persoonia elliptica, commonly known as snottygobble or spreading snottygobble, is a plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is an erect shrub or small tree with egg-shaped or lance-shaped leaves and groups of cylindrical yellow flowers. It usually grows in woodland or forest dominated by jarrah or marri within 50 km (30 mi) of the coast.

<i>Persoonia asperula</i> Species of flowering plant

Persoonia asperula, commonly known as mountain geebung, is a plant in the family Proteaceae and is endemic to south-eastern Australia. It is an erect or prostrate shrub with smooth bark, mostly elliptic to oblong leaves and yellow flowers borne singly or in groups of up to nine. It mostly occurs in the Southern Highlands of New South Wales. A small population in Victoria may be a different species.

<i>Persoonia hexagona</i> Species of flowering plant

Persoonia hexagona is a species of flowering plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is an erect, spreading shrub with branchlets that are densely hairy when young, linear, sharply pointed leaves and bright yellow, hairy flowers borne singly or in groups of up to ten on a rachis up to 40 mm (1.6 in) long.

Persoonia bowgada is a species of flowering plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is an erect to spreading shrub with smooth bark, more or less cylindrical leaves and yellow flowers in groups of up to ten on the ends of branches.

<i>Persoonia brevifolia</i> Species of flowering plant

Persoonia brevifolia is a plant in the family Proteaceae and is endemic to a restricted area near the border between south-eastern New South Wales and Victoria. It is an erect shrub with elliptic to egg-shaped leaves and cylindrical yellow flowers arranged singly in leaf axils.

<i>Persoonia acuminata</i> Species of shrub

Persoonia acuminata is a plant in the family Proteaceae and is endemic to New South Wales. It is a spreading or prostrate shrub with relatively small leaves and cylindrical yellow flowers arranged singly or in groups of up to sixteen in leaf axils or on the ends of the branches. It grows in moist forest on the higher parts of the tablelands.

<i>Persoonia rufa</i> Species of flowering plant

Persoonia rufa is a species of flowering plant in the family Proteaceae and is endemic to the a restricted area of New South Wales. It is an erect to spreading shrub with hairy young branchlets, elliptic leaves, and yellow flowers borne in groups of up to twelve on a rachis up to 110 mm (4.3 in), each flower with a leaf at its base.

Persoonia tropica is a plant in the family Proteaceae and is endemic to north Queensland. It is an erect shrub to small tree shrub with branchlets that are hairy when young, narrow elliptic to lance-shaped leaves and yellow flowers in groups of three to ten on a rachis 3–10 mm (0.12–0.39 in) long that continues to grow after flowering.

Persoonia volcanica is a species of flowering plant in the family Proteaceae and is endemic to eastern Australia. It is an erect shrub with hairy young branchlets, egg-shaped to oblong leaves, and yellow flowers borne in groups of up to twenty on a rachis up to 180 mm (7.1 in) that usually continues to grow after flowering, each flower with a leaf at its base.

Persoonia pungens is a species of flowering plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is an erect to spreading or low-lying shrub with densely hairy young branchlets, twisted elliptic to oblong, sharply-pointed leaves, and glabrous, bright yellow flowers borne in groups of up to five.

Persoonia baeckeoides is a species of flowering plant in the family Proteaceae and is endemic to Western Australia. It is an erect, spreading, many-branched shrub with smooth bark, spatula-shaped leaves and greenish yellow flowers arranged singly or in groups of up to three.

Persoonia pentasticha is a species of flowering plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is an erect, spreading shrub with hairy young branchlets, linear leaves with five narrow, longitudinal grooves, and hairy yellow flowers borne in groups of up to fifteen on a rachis up to 45 mm (1.8 in) long.

Persoonia striata is a species of flowering plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is an erect, often spreading shrub with hairy young branchlets, linear to spatula-shaped leaves, and bright yellow flowers borne in groups of up to five on a rachis up to 2 mm (0.079 in) long that continues to grow after flowering.

<i>Persoonia sulcata</i> Species of flowering plant

Persoonia sulcata is a plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is a small, erect or low spreading shrub with narrow, linear leaves and cylindrical yellow flowers arranged singly or in groups of up to three in leaf axils. It grows in woodland or on rocky slopes and is found in several disjunct populations.

<i>Persoonia filiformis</i> Species of flowering plant

Persoonia filiformis is a species of flowering plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is a small, erect shrub with hairy young branchlets, linear leaves and greenish yellow flowers borne singly or in groups of up to twenty on a rachis up to 30 mm (1.2 in) long.

<i>Persoonia stricta</i> Species of flowering plant

Persoonia stricta is a species of flowering plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is an erect, spreading shrub with smooth bark, linear to spatula-shaped or oblong leaves, and bright yellow flowers borne in groups of four to twenty-five on a rachis 3–100 mm (0.12–3.94 in) long, each flower with a leaf or scale leaf at its base.

<i>Persoonia saundersiana</i> Species of flowering plant

Persoonia saundersiana is a species of flowering plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is an erect, spreading shrub with hairy young branchlets, linear leaves, and bright yellow flowers borne in groups of up to twenty-five on a rachis up to 100 mm (3.9 in) that continues to grow after flowering.

<i>Persoonia hindii</i> Species of shrub

Persoonia hindii is a plant in the family Proteaceae and is endemic to a small area of New South Wales near Lithgow. It is a shrub with an underground stolon from which new stems arise and has succulent, linear to oblong leaves and deep yellow flowers.

References

  1. "Persoonia isophylla". Australian Plant Census. Retrieved 10 October 2020.
  2. 1 2 3 4 Weston, Peter H.; Johnson, Lawrence A.S. (1991). "Taxonomic changes in Persoonia (Proteaceae) in New South Wales". Telopea. 4 (2): 291. doi: 10.7751/telopea19914929 .
  3. 1 2 "Persoonia isophylla". Flora of Australia Online. Department of the Environment and Heritage, Australian Government.
  4. Weston, Peter H. "Persoonia isophylla". Royal Botanic Garden Sydney. Retrieved 22 January 2018.
  5. "Persoonia isophylla". APNI. Retrieved 22 January 2018.
  6. 1 2 Brown, Roland Wilbur (1956). The Composition of Scientific Words. Washington, D.C.: Smithsonian Institution Press.