Grevillea fililoba
In the San Francisco Botanical Garden

Priority One — Poorly Known Taxa (DEC)[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Grevillea
Species:
G. fililoba
Binomial name
Grevillea fililoba
(McGill.) Olde & Marriott[2]
Synonyms[2]

Grevillea thelemanniana subsp. fililoba McGill.

Grevillea fililoba is a species of flowering plant in the family Proteaceae and is endemic to a restricted area in the south-west of Western Australia. It is a spreading shrub with soft foliage, divided leaves with narrow linear lobes, and clusters of pink to bright red and white flowers.

Description

Grevillea fililoba is a spreading shrub, typically up to about 1.5 m (4 ft 11 in) high and 3 m (9.8 ft) wide with soft, dense foliage. The leaves are 20–45 mm (0.79–1.77 in) long and divided, the lobes narrowly linear, sometimes curved, 2–20 mm (0.079–0.787 in) long and 0.3–0.7 mm (0.012–0.028 in) wide. The upper surface of the leaves is more or less glabrous, the edges rolled under obscuring most of the lower surface. The flowers are arranged in groups of twelve to thirty along a rachis 18–30 mm (0.71–1.18 in) long and are pink to bright red with a pink, green-tipped style, the pistil 24–28 mm (0.94–1.10 in) long. Flowering occurs from July to September and the fruit is a triangular follicle about 13 mm (0.51 in) long.[3][1]

Taxonomy

This grevillea was first formally described in 1986 by Donald McGillivray who gave it the name Grevillea thelemanniana subsp. fililoba in his New Names in Grevillea (Proteaceae) from specimens collected by Robert Royce in 1986.[4] In 1994, Peter M. Olde and Neil R. Marriott raised the subspecies to species level as Grevillea fililoba in The Grevillea Book.[5] The specific epithet (fililoba) means "thread-lobed".[6]

Distribution and habitat

This grevillea grows in a range of habitats and is found east of Geraldton in the catchments of the Greenough and Irwin Rivers in the Geraldton Sandplains biogeographic region of south-western Western Australia.[3][1]

Conservation status

Grevillea fililoba is listed as "Priority One" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions,[1] meaning that it is known from only one or a few locations which are potentially at risk.[7]

Use in horticulture

This grevillea is well-known in cultivation, often by the cultivar names Grevillea 'Ellendale' or 'Ellendale Pool'. It is readily grown from seed or cuttings and grows best in well-drained soil in full sun, but is often short-lived in humid areas of eastern Australia.[8]

References

Wikimedia Commons has media related to Grevillea fililoba.
  1. 1 2 3 4 "Grevillea fililoba". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
  2. 1 2 "Grevillea fililoba". Australian Plant Census. Retrieved 21 April 2022.
  3. 1 2 "Grevillea fililoba". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 17 April 2022.
  4. ↑ "Grevillea thelemanniana subsp. fililoba". APNI. Retrieved 21 April 2022.
  5. ↑ "Grevillea fililoba". APNI. Retrieved 21 April 2022.
  6. ↑ Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. pp. 198–199. ISBN 9780958034180.
  7. ↑ "Conservation codes for Western Australian Flora and Fauna" (PDF). Government of Western Australia Department of Parks and Wildlife. Retrieved 21 April 2022.
  8. ↑ "Grevillea fililoba". Australian Native Plants Society (Australia). Retrieved 21 April 2022.
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