Calytrix creswellii

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Calytrix creswellii - Wikipedia

From Wikipedia, the free encyclopedia

Calytrix creswellii

Conservation status
Priority Three — Poorly Known Taxa (DEC)
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Myrtales
Family:	Myrtaceae
Genus:	Calytrix
Species:	C. creswellii
Binomial name
*Calytrix creswellii* (F.Muell.) B.D.Jacks.^[1]

Calytrix creswellii is a species of flowering plant in the myrtle family Myrtaceae and is endemic to inland areas of Western Australia. It is a spreading, glabrous shrub usually with egg-shaped leaves with the narrower end towards the base, and clusters of white flowers with about 40 to 55 white or yellow stamens in several rows.

Description

Calytrix creswellii is a spreading, glabrous shrub that typically grows to a height of up to 0.25–1 m (9.8 in – 3 ft 3.4 in). Its leaves are egg-shaped with the narrower end towards the base, 1–3 mm (0.039–0.118 in) long, 0.6–1 mm (0.024–0.039 in) wide on a petiole 0.3–0.75 mm (0.012–0.030 in) long. There are stipules up to 0.5 mm (0.020 in) long at the base of the petioles. The floral tube is 13–17 mm (0.51–0.67 in) long and has 10 ribs. The sepals are joined for a short distance at the base, the lobes more or less round or elliptic, 3.0–4.5 mm (0.12–0.18 in) long and 3.5–5.0 mm (0.14–0.20 in) wide with an awn up to 21 mm (0.83 in) long. The petals are white, narrowly elliptic to lance-shaped, 8.0–11.5 mm (0.31–0.45 in) long and 3.5–6.0 mm (0.14–0.24 in) wide with 40 to 55 white or yellow stamens 2–11 mm (0.079–0.433 in) long. Flowering occurs from September to December.^[2]^[3]

Taxonomy

This species was first formally described by Ferdinand von Mueller who gave it the name Calycothrix creswellii in his Fragmenta Phytographiae Australiae from specimens collected by Jess Young.^[4]^[5] In 1893, Benjamin Daydon Jackson transferred the species to Calytrix as C. creswellii in the Index Kewensis.^[6] The specific epithet (creswellii) honours C.F.Creswell.^[5]^[7]

Distribution and habitat

This species is found on sandplains in the Lake Barlee district in the Coolgardie and Murchison bioregions of inland Western Australia.

Conservation status

This species of Calytrix is listed as "Priority three" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions^[3] meaning that it is poorly known and known from only a few locations but is not under imminent threat.^[8]

References

^ "Calytrix creswellii". Australian Plant Census. Retrieved 29 July 2024.
^ Craven, Lyndley (1987). "A taxonomic revision of Calytrix Labill. (Myrtaceae)". Brunonia: 87–88.
^ ^a ^b "Calytrix creswellii". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
^ "Calycothrix creswellii". Australian Plant Name Index. Retrieved 29 July 2024.
^ ^a ^b von Mueller, Ferdinand (1876). Fragmenta Phytographie Australiae. Vol. 10. Melbourne: Victorian Government Printer. pp. 27–28. Retrieved 29 July 2024.
^ "Calycothrix creswellii". Australian Plant Name Index. Retrieved 29 July 2024.
^ George, Alex; Sharr, Francis (2021). Western Australian Plant Names and Their Meanings (4th ed.). Kardinya, WA: Four Gables Press. p. 173. ISBN 9780958034180.
^ "Conservation codes for Western Australian Flora and Fauna" (PDF). Government of Western Australia Department of Biodiversity, Conservation and Attractions. Retrieved 29 July 2024.

Taxon identifiers
Calytrix creswellii	Wikidata: Q15398741 APNI: 103672 CoL: 5X99G EoL: 5455471 FloraBase: 5448 GBIF: 3185006 iNaturalist: 981006 IPNI: 143916-3 Open Tree of Life: 3933830 Plant List: kew-32817 POWO: urn:lsid:ipni.org:names:143916-3 Tropicos: 100158862 WFO: wfo-0000789570

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