Bossiaea zarae

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Princess May winged pea
Status DECF P3.svg
Priority Three — Poorly Known Taxa (DEC)
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Genus: Bossiaea
Species:
B. zarae
Binomial name
Bossiaea zarae

Bossiaea zarae, commonly known as Princess May winged pea, [2] is a species of flowering plant in the pea family Fabaceae and is endemic to the northern Kimberley region of Western Australia. It is an erect shrub with winged stems, winged cladodes, scale-like leaves and yellow, and reddish-brown flowers.

Contents

Description

Bossiaea zarae is an erect shrub that typically grows up to 2.2 m (7 ft 3 in) high and 1.2 m (3 ft 11 in) wide. The stems are flattened, winged and up to 11 mm (0.43 in) wide, ending in winged cladodes 1.9–3.4 mm (0.075–0.134 in) wide. The leaves are reduced to dark brown, narrow egg-shaped scales, 1.1–2.0 mm (0.043–0.079 in) long. The flowers are arranged singly or in pairs on pedicels 1.5–5.8 mm (0.059–0.228 in) long with overlapping, narrow egg-shaped bracts up to 2.1 mm (0.083 in) long at the base and narrow egg-shaped bracteoles about 1 mm (0.039 in) long attached to the pedicels. The sepals are 5.3–7.0 mm (0.21–0.28 in) long and joined at the base forming a tube, the two upper lobes 1.7–2.5 mm (0.067–0.098 in) long and the lower three lobes 1.1–1.4 mm (0.043–0.055 in) long. The standard petal is golden yellow with reddish brown marking, a yellow centre and 8.5–12.6 mm (0.33–0.50 in) long, the wings uniformly yellow and 5.3–6.3 mm (0.21–0.25 in) long, the keel yellowish and 12.1–15.4 mm (0.48–0.61 in) long. Flowering has been observed in August and January and the fruit is an oblong pod 43–47 mm (1.7–1.9 in) long. [2] [3]

Taxonomy and naming

Bossiaea zarae was first formally described in 2015 by Russell Lindsay Barrett in the journal Nuytsia from specimens collected on Bigge Island in 2008. [3] [4] The specific epithet (zarae) is from "the Arabic and Hebrew name Zara (meaning princess)", referring to the Princess May Ranges where this species was discovered. [3]

Distribution and habitat

Princess May winged pea grows on sandstone ridges and pavements in low shrubland in the Prince Regent National Park and on Bigge Island in the northern Kimberley region of Western Australia. [3]

Conservation status

This bossiaea is listed as "Priority Three" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions, [2] meaning that it is poorly known and known from only a few locations but is not under imminent threat. [5]

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References

  1. ↑ "Bossiaea zarae". Australian Plant Census. Retrieved 4 October 2021.
  2. 1 2 3 "Bossiaea zarae". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  3. 1 2 3 4 Barrett, Russell L.; Barrett, Matthew D. (2015). "Twenty-seven new species of vascular plants from Western Australia" (PDF). Nuytsia. 26: 60–62. Retrieved 4 October 2021.
  4. ↑ "Bossiaea zarae". APNI. Retrieved 4 October 2021.
  5. ↑ "Conservation codes for Western Australian Flora and Fauna" (PDF). Government of Western Australia Department of Parks and Wildlife. Retrieved 4 October 2021.
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