Philotheca scabra

Short description: Species of plant

Philotheca scabra

Subspecies latifolia in the ANBG
Scientific classification
Kingdom:  | Plantae
Clade:  | Tracheophytes
Clade:  | Angiosperms
Clade:  | Eudicots
Clade:  | Rosids
Order:  | Sapindales
Family:  | Rutaceae
Genus:  | Philotheca
Species:  |

P. scabra

Binomial name
Philotheca scabra

(Paxton) Paul G.Wilson[1]

Synonyms[1]

* Eriostemon scaber Paxton
* Eriostemon scaber Gérard nom. illeg.
* Eriostemon scaber Paxton isonym
* Eriostemon scaber A.DC. nom. illeg.
* Eriostemon scabrum Paxton orth. var.
* Eriostemon scabrum Gérard orth. var.
* Eriostemon scabrum A.DC. orth. var.

Philotheca scabra is a species of flowering plant in the family Rutaceae and is endemic to New South Wales. It is a small shrub with variably shaped leaves, depending on subspecies, and single white to pink flowers arranged on the ends of branchlets.

## Contents

* 1 Description
* 2 Taxonomy
* 3 Distribution and habitat
* 4 References

## Description

Philotheca scabra is a shrub that grows to a height of 0.6 m (2 ft 0 in) with more or less bristly stems. The leaves are sessile, 10–15 mm (0.39–0.59 in) long and either more or less cylindrical and folded lengthwise or narrow oblong-elliptic and concave on the lower side. The flowers are borne singly on the ends of branchlets on a peduncle 0.5–2 mm (0.020–0.079 in) long and a pedicel 2–5 mm (0.079–0.197 in) long with two pairs of tiny bracteoles at the base. There are five fleshy, semicircular sepals about 1 mm (0.039 in) long, five elliptical white to pink petals 7–8 mm (0.28–0.31 in) long and ten stamens. Flowering occurs in spring and the fruit is about 7 mm (0.28 in) long with a beak about 3 mm (0.12 in) long.[2][3]

## Taxonomy

This philotheca was first formally described in 1844 by Joseph Paxton who gave it the name Eriostemon scaber and published the description in Paxton's Magazine of Botany from a specimen "in the nursery of Messrs. Henderson, of Pine Apple Place, who received it from the gardens of Baron Hugel, at Vienna, about twelve months back".[4][5] In 1970, Paul G. Wilson described two subspecies of Eriostemon scaber in the journal Nuytsia:[6]

* Eriostemon scaber subsp. latifolia (Paul G.Wilson) Paul G.Wilson that has glandular-warty stems and leaves about 12 mm (0.47 in) long and 3 mm (0.12 in) wide;
* Eriostemon scaber (Paul G.Wilson) Paul G.Wilson subsp. scaber that has smooth stems and more or less cylindrical leaves.[7]

In 1998, Wilson changed the species name to Philotheca scabra and the subspecies to P. scabra subsp. latifolia and P. scabra subsp. scabra respectively, in a later edition of the same journal:[7] The names of the subspecies are accepted by the Australian Plant Census:

* Philotheca scabra subsp. latifolia (Paul G.Wilson) Paul G.Wilson;[8]
* Philotheca scabra (Paul G.Wilson) Paul G.Wilson subsp. scabra.[9]

## Distribution and habitat

Philotheca scabra grows in heath and forest on the coast and nearby ranges of New South Wales between Sydney and the Nerriga and Nowra districts.[2][3] Subspecies scaber occurs in the northern part of the species' distribution and subsp. latifolius near Nerriga and Nowra.[7]

## References

1. ↑ 1.0 1.1 "Philotheca scabra". Australian Plant Census. https://biodiversity.org.au/nsl/services/apc-format/display/162043. Retrieved 13 August 2020.
2. ↑ 2.0 2.1 Wilson, Paul G. (2013). Flora of Australia (Volume 26). Canberra: Australian Biological Resources Study. p. 395. https://profiles.ala.org.au/opus/foa/profile/Philotheca scabra. Retrieved 13 August 2020.
3. ↑ 3.0 3.1 Weston, Peter H.; Harden, Gwen J.. "Philotheca scabra". Royal Botanic Garden Sydney. http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Philotheca~scabra. Retrieved 13 August 2020.
4. ↑ "Eriostemon scaber". APNI. https://id.biodiversity.org.au/instance/apni/648602. Retrieved 13 August 2020.
5. ↑ Paxton, Joseph (1844). "Floricultural Notices". Paxton's Journal of Botany 11: 190. https://www.biodiversitylibrary.org/item/187836#page/274/mode/1up. Retrieved 13 August 2020.
6. ↑ Wilson, Paul G. (1970). "A taxonomic revision of the genera Crowea, Eriostemon and Phebalium (Rutaceae)". Nuytsia 1 (1): 44. https://www.biodiversitylibrary.org/item/223300#page/50/mode/1up. Retrieved 13 August 2020.
7. ↑ 7.0 7.1 7.2 Wilson, Paul G. (1998). "A Taxonomic Review of the genera Eriostemon and Philotheca". Nuytsia 12 (2): 259–260. https://www.biodiversitylibrary.org/item/226456#page/105/mode/1up. Retrieved 13 August 2020.
8. ↑ "Philotheca scabra subsp. latifolia". Australian Plant Census. https://biodiversity.org.au/nsl/services/apc-format/display/162045. Retrieved 13 August 2020.
9. ↑ "Philotheca scabra subsp. scabra". Australian Plant Census. https://biodiversity.org.au/nsl/services/apc-format/display/162044. Retrieved 13 August 2020.

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