Grevillea manglesioides

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Grevillea manglesioides
Grevillea manglesioides.jpg
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Grevillea
Species:
G. manglesioides
Binomial name
Grevillea manglesioides

Grevillea manglesioides is a species of flowering plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is a spreading shrub usually with wedge-shaped leaves with lobed ends, and toothbrush-shaped clusters of flowers, the colour varying with subspecies.

Contents

Description

Grevillea manglesioides is a spreading shrub that typically grows to a height of 0.3–4 m (1 ft 0 in – 13 ft 1 in) and has hairy branchlets. The leaves are usually wedge-shaped, 20–60 mm (0.79–2.36 in) long and 2–25 mm (0.079–0.984 in) wide with two to five lobes on the end. Sometimes the leaves are deeply divided with three narrowly triangular lobes, or narrowly elliptic and 2–6 mm (0.079–0.236 in) wide. The lower surface of the leaves is silky- to woolly-hairy. The flowers are arranged in toothbrush-shaped clusters on a rachis 4–20 mm (0.16–0.79 in) long, the pistil 6.5–11 mm (0.26–0.43 in) long, and the flower colour and flowering time varying with subspecies. The fruit is an oval to elliptic follicle 9.5–15 mm (0.37–0.59 in) long. [2] [3]

Taxonomy

Grevillea manglesioides was first formally described in 1845 by Carl Meissner in Johann Georg Christian Lehmann's Plantae Preissianae . [4] [5] The specific epithet (manglesioides) means "Manglesia-like. [6] :247–248 ( Manglesia is now regarded as a synonym of Grevillea .

Three subspecies of G. manglesioides are recognised by the Australian Plant Census:

Subspecies ferricola was first formally described by Robert Makinson in the Flora of Australia from specimens collected by Greg Keighery on the Scott Coastal Plain in 1997. Flowering occurs in October and the flowers are greenish-cream with a red or blackish style, the pistil 9.5–10 mm (0.37–0.39 in) long. [10] [11] The epithet ferricola means "iron-inhabiting", referring to the ironstone habitat of this subspecies. [6] :358

Subspecies manglesioides became the autonym when Donald McGillivray described G. manglesioides subsp. papillosa, now known as G. papillosa . It flowers in most months with a peak from July to December and the flowers are greenish-white to dull red with a dull red or greenish-white style, the pistil 6.5–11 mm (0.26–0.43 in) long. [12] [13]

Subspecies metaxa was first formally described by Robert Makinson in the Flora of Australia from specimens collected by Roy Pullen north-west of Pemberton in 1974. It mainly flowers from October to January and the flowers are cream-coloured or greenish-yellow with a dark red style, the pistil 7.5–9 mm (0.30–0.35 in) long. [14] [15] The epithet metaxa means "raw silk", referring to hairs on the lower surface of the leaves. [6] :369

Distribution and habitat

Subspecies ferricola grows in heath, often near streams and is restricted to a few places near the Scott River east of Augusta, [10] [11] subsp. manglesioides grows in shrubland or shrubby woodland, usually in winter-wet places, between Ludlow and Margaret River [12] [13] and subsp. metaxa is found in shrubland and forest near streams in the catchments of the Margaret and Blackwood Rivers. [14] [15] All three subspecies occur in the Jarrah Forest, Swan Coastal Plain and Warren bioregions of south-western Western Australia. [11] [13] [15]

Conservation status

Subspecies manglesioides and metaxa are listed as "not threatened" [13] [15] but subsp. ferricola is listed as "Priority Three" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions, [11] meaning that it is poorly known and known from only a few locations but is not under imminent threat. [16]

See also

Related Research Articles

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References

  1. "Grevillea manglesioides". Australian Plant Census. Retrieved 1 July 2022.
  2. "Grevillea manglesioides". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 1 July 2022.
  3. "Grevillea manglesioides". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  4. "Grevillea manglesioides". APNI. Retrieved 1 July 2022.
  5. Meissner, Carl; Lehmann, Johann G.C. (1848). Plantae Preissianae. Vol. 1. Hamburg. pp. 547–548. Retrieved 1 July 2022.
  6. 1 2 3 Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. ISBN   9780958034180.
  7. "Grevillea manglesioides subsp. ferricola". Australian Plant Census. Retrieved 1 July 2022.
  8. "Grevillea manglesioides subsp. manglesioides". Australian Plant Census. Retrieved 1 July 2022.
  9. "Grevillea manglesioides subsp. metaxa". Australian Plant Census. Retrieved 1 July 2022.
  10. 1 2 "Grevillea manglesioides subsp. ferricola". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 1 July 2022.
  11. 1 2 3 4 "Grevillea manglesioides subsp. ferricola". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  12. 1 2 "Grevillea manglesioides subsp. manglesioides". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 1 July 2022.
  13. 1 2 3 4 "Grevillea manglesioides subsp. manglesioides". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  14. 1 2 "Grevillea manglesioides subsp. metaxa". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 1 July 2022.
  15. 1 2 3 4 "Grevillea manglesioides subsp. metaxa". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  16. "Conservation codes for Western Australian Flora and Fauna" (PDF). Government of Western Australia Department of Parks and Wildlife. Retrieved 1 July 2022.