Bossiaea obcordata

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Spiny bossiaea
Bossiaea obcordata 8637.jpg
Brisbane Ranges National Park
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. obcordata
Binomial name
Bossiaea obcordata
BossiaeaobcordataDistMap48.png
Occurrence data from AVH
Synonyms [1]
  • Bossiaea microphylla(Sims) Sm.
  • Platylobium microphyllumSims

Platylobium obcordatum Vent.

Leaves Bossiaea obcordata leaves.jpg
Leaves

Bossiaea obcordata, commonly known as spiny bossiaea, [2] is a species of flowering plant in the family Fabaceae and is endemic to south-eastern continental Australia. It is an erect, rigid shrub with spiny branches, heart-shaped to egg-shaped with the narrower end towards the base, and yellow and purplish-brown flowers.

Contents

Description

Bossiaea obcordata is an erect, rigid shrub that typically grows to a height of up to 1.5 m (4 ft 11 in) and has flattened branchlets that become spiny with age. The leaves are arranged alternately along the stems, broadly egg-shaped to heart-shaped with the narrower end towards the base, sometimes almost round, 30–60 mm (1.2–2.4 in) long and wide on a petiole 0.5–1.5 mm (0.020–0.059 in) long with narrow triangular stipules 1–2 mm (0.039–0.079 in) long at the base. The flowers are mostly 8–10 mm (0.31–0.39 in) long and arranged singly along the branches, each flower on a pedicel up to 5 mm (0.20 in) long. The sepals are 3–5 mm (0.12–0.20 in) long with bracteoles up to 2 mm (0.079 in) long on the pedicel. The standard petal is yellow with a red base and up to 10 mm (0.39 in) long, the wings usually purplish-brown and about 2.5 mm (0.098 in) wide and the keel pinkish to red and 3–4 mm (0.12–0.16 in) wide. Flowering occurs from September to October and the fruit is a narrow oblong pod 15–20 mm (0.59–0.79 in) long. [2] [3] [4] [5]

Taxonomy

Spiny bossiaea was first formally described in 1804 by Étienne Pierre Ventenat who gave it the name Platylobium obcordatum in his book, Le Jardin de la Malmaison. [6] [7] In 1917, George Claridge Druce changed the name to Bossia obcordata and the new name is accepted by the Australian Plant Census. [1] [8] The specific epithet (obcordata) refers to the obcordate shape of the leaves. [9]

Distribution and habitat

Bossiaea obcordata grows in forest and heath, often on dry sandstone ridges and slopes. It is found from far south-eastern Queensland through the coast, western slopes and tablelands of eastern New South Wales, to central and eastern Victoria. Specimens recorded from Tasmania are now included in Bossiaea tasmanica . [2] [3] [4] [10]

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Bossiaea smithiorum is a species of flowering plant in the family Fabaceae and is endemic to the south-west of Western Australia. It is a slender shrub with oblong to cylindrical leaves and orange-yellow and red or purple, pea-like flowers.

Bossiaea spinescens is a species of flowering plant in the family Fabaceae and is endemic to the south-west of Western Australia. It is a slender, spreading or compact, spiny shrub with oblong to oval leaves and yellow and reddish-brown, pea-like flowers.

References

  1. 1 2 3 "Bossiaea obcordata". Australian Plant Census. Retrieved 12 August 2021.
  2. 1 2 3 "Bossiaea obcordata". Royal Botanic Garden Sydney. Retrieved 12 August 2021.
  3. 1 2 Ross, James H. "Bossiaea obcordata". Royal Botanic Gardens Victoria. Retrieved 12 August 2021.
  4. 1 2 Thompson, Ian R. (2012). "A revision of eastern Australian Bossiaea (Fabaceae: Bossiaeae)". Muelleria. 30 (2): 149–150. Retrieved 12 August 2021.
  5. ↑ Wood, Betty. "Bossiaea obcordata". Lucid Keys. Retrieved 12 August 2021.
  6. ↑ "Platylobium obcordatum". APNI. Retrieved 12 August 2021.
  7. ↑ Ventenat, Étienne (1804). Le Jardin de la Malamison. Paris. p. 31. Retrieved 12 August 2021.
  8. ↑ "Bossiaea obcordatum". APNI. Retrieved 12 August 2021.
  9. ↑ Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 263. ISBN   9780958034180.
  10. ↑ "Bossiaea tasmanica". Tasmanian Government Department of Primary Industries, Parks, Water and Environment. Retrieved 12 August 2021.
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